ds3/spring_present.html at main · kylehoffman/ds3 · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>Spring Present — Torrential Rain + Bloom</title>
  <script src="https://aframe.io/releases/1.5.0/aframe.min.js"></script>

  <script>
    /* ---------- link + hover button helpers (VR clickable) ---------- */
    AFRAME.registerComponent('link-on-click', {
      schema: { href: {type: 'string'} },
      init() {
        this.el.addEventListener('click', () => {
          if (this.data.href) window.location.href = this.data.href;
        });
      }
    });
    AFRAME.registerComponent('button-feedback', {
      schema: { base: {default: '#6fcfb6'}, hover: {default: '#53b49a'}, down: {default: '#3b8a75'} },
      init() {
        this.el.setAttribute('material', {color: this.data.base, side: 'double'});
        this.el.addEventListener('mouseenter', () => this.el.setAttribute('material','color',this.data.hover));
        this.el.addEventListener('mouseleave', () => this.el.setAttribute('material','color',this.data.base));
        this.el.addEventListener('mousedown',  () => this.el.setAttribute('material','color',this.data.down));
        this.el.addEventListener('mouseup',    () => this.el.setAttribute('material','color',this.data.hover));
        this.el.addEventListener('touchstart', () => this.el.setAttribute('material','color',this.data.down));
        this.el.addEventListener('touchend',   () => this.el.setAttribute('material','color',this.data.hover));
      }
    });

    /* ---------- Rain (A-Frame 1.5 friendly) ---------- */
    AFRAME.registerComponent('rain', {
      schema: {
        count:      {type: 'int', default: 12000},
        area:       {type: 'vec3', default: {x: 32, y: 18, z: 32}},
        speedMin:   {type: 'number', default: 14},
        speedMax:   {type: 'number', default: 28},
        dropLength: {type: 'number', default: 1.0},
        color:      {type: 'color',  default: '#6c8ddf'},
        opacity:    {type: 'number', default: 1.0}
      },
      init() {
        const THREE = AFRAME.THREE, d = this.data;
        this._vel = new Float32Array(d.count);
        this._pos = new Float32Array(d.count * 3);
        const linePositions = new Float32Array(d.count * 2 * 3);

        const rx = d.area.x, ry = d.area.y, rz = d.area.z;
        for (let i=0;i<d.count;i++){
          const i3 = i*3, l = i*6;
          const x = (Math.random()-0.5)*rx;
          const y = Math.random()*ry;
          const z = (Math.random()-0.5)*rz;
          this._pos[i3+0]=x; this._pos[i3+1]=y; this._pos[i3+2]=z;
          this._vel[i] = d.speedMin + Math.random()*(d.speedMax-d.speedMin);
          linePositions[l+0]=x; linePositions[l+1]=y; linePositions[l+2]=z;
          linePositions[l+3]=x; linePositions[l+4]=y-d.dropLength; linePositions[l+5]=z;
        }
        const geom = new THREE.BufferGeometry();
        geom.setAttribute('position', new THREE.BufferAttribute(linePositions,3));
        const mat = new THREE.LineBasicMaterial({color:new THREE.Color(d.color),transparent:true,opacity:d.opacity});
        this.mesh = new THREE.LineSegments(geom, mat);
        this.el.setObject3D('mesh', this.mesh);
        this._positions = linePositions;
        this._geom = geom;

        this._fading=false; this._fadeStart=0; this._fadeDur=1; this._startOpacity=d.opacity;
      },
      fadeOut(seconds=3){
        this._fading=true;
        this._fadeStart=performance.now()/1000;
        this._fadeDur=seconds;
        this._startOpacity=this.mesh.material.opacity;
      },
      tick(time, dtMS){
        if(!this.mesh) return;
        const dt=(dtMS||16)/1000, d=this.data, pos=this._positions, dropPos=this._pos, vel=this._vel;

        for(let i=0;i<d.count;i++){
          const i3=i*3, l=i*6;
          let y=dropPos[i3+1]-vel[i]*dt;
          if(y<-d.area.y*0.5){
            y=d.area.y*0.5;
            dropPos[i3+0]=(Math.random()-0.5)*d.area.x;
            dropPos[i3+2]=(Math.random()-0.5)*d.area.z;
          }
          dropPos[i3+1]=y;
          pos[l+0]=dropPos[i3+0]; pos[l+1]=y; pos[l+2]=dropPos[i3+2];
          pos[l+3]=dropPos[i3+0]; pos[l+4]=y-d.dropLength; pos[l+5]=dropPos[i3+2];
        }
        this._geom.attributes.position.needsUpdate=true;

        if(this._fading){
          const t=performance.now()/1000;
          const p=Math.min(1,(t-this._fadeStart)/this._fadeDur);
          this.mesh.material.opacity=(1-p)*this._startOpacity;
          if(p>=1){
            this._fading=false;
            this.el.setAttribute('visible',false);
            this.el.emit('rain-faded');
          }
        }
      }
    });

    /* ---------- Flower field spawner ---------- */
    AFRAME.registerComponent('flower-field', {
      schema: { radius: {type:'number', default: 4}, count: {type:'int', default: 50} },
      init(){
        const colors=['#ff6fb1','#ff9fd6','#ffd166','#98fb98','#7cdfff','#f9844a','#b28dff','#ff4d6d'];
        for(let i=0;i<this.data.count;i++){
          const angle=Math.random()*Math.PI*2;
          const r=this.data.radius*(0.6+Math.random()*0.7);
          const x=Math.cos(angle)*r, z=Math.sin(angle)*r, y=0.02, s=0.001;
          const petal=document.createElement('a-entity');
          petal.setAttribute('geometry','primitive: circle; radius: 0.13');
          petal.setAttribute('material',`color: ${colors[i%colors.length]}; side: double`);
          petal.setAttribute('position',`${x} ${y} ${z}`);
          petal.setAttribute('rotation','-90 0 0');
          petal.setAttribute('scale',`${s} ${s} ${s}`);
          const delay=600+Math.random()*2000;
          petal.setAttribute('animation__grow',`property: scale; to: 1 1 1; dur: 1500; delay: ${delay}; easing: easeOutBack`);
          petal.setAttribute('animation__sway',`property: rotation; dir: alternate; to: -92 0 0; dur: 2000; loop: true; easing: easeInOutSine; delay: ${delay+1500}`);
          this.el.appendChild(petal);

          const center=document.createElement('a-entity');
          center.setAttribute('geometry','primitive: circle; radius: 0.04');
          center.setAttribute('material','color: #3b3b3b; side: double');
          center.setAttribute('position',`${x} ${y+0.001} ${z}`);
          center.setAttribute('rotation','-90 0 0');
          center.setAttribute('scale',`${s} ${s} ${s}`);
          center.setAttribute('animation__grow',`property: scale; to: 1 1 1; dur: 1500; delay: ${delay}; easing: easeOutBack`);
          this.el.appendChild(center);
        }
      }
    });
  </script>
</head>
<body>
  <a-scene>

    <!-- Your 360 pano -->
    <a-sky src="Gemini_Generated_Image_m92pdhm92pdhm92p.png" rotation="0 -90 0"></a-sky>

    <!-- Camera + cursor/raycaster so buttons can be clicked -->
    <a-entity id="cameraRig" position="0 0 0">
      <a-entity camera look-controls position="0 1.6 0"
                cursor="rayOrigin: mouse"
                raycaster="objects: .clickable"></a-entity>
      <!-- Optional gaze cursor for VR -->
      <a-entity position="0 1.6 -1"
                geometry="primitive: ring; radiusInner: 0.005; radiusOuter: 0.008"
                material="color: white; shader: flat"></a-entity>
    </a-entity>

    <!-- HUD: Home button floating in front of the user -->
    <a-entity id="hud" position="0 1.35 -1.2">
      <a-plane class="clickable" width="0.5" height="0.18"
               button-feedback link-on-click="href: index.html">
        <a-entity text="value: Home; align: center; color: #0a2b22; width: 0.9" position="0 0 0.01"></a-entity>
      </a-plane>
    </a-entity>

    <!-- Atmosphere darkener -->
    <a-entity id="darkener">
      <a-sphere radius="1000" position="0 0 0"
        material="color: #000; opacity: 0.6; transparent: true; side: back"></a-sphere>
    </a-entity>

    <!-- Torrential rain volume -->
    <a-entity id="rain" position="0 7 0"
      rain="count: 12000; area: 36 18 36; dropLength: 1.1; speedMin: 16; speedMax: 30; color: #6c8ddf; opacity: 1">
    </a-entity>

    <!-- Where flowers will appear -->
    <a-entity id="flowers" position="0 0 0" visible="false"></a-entity>

    <script>
      const rainEl = document.getElementById('rain');
      const darkener = document.querySelector('#darkener a-sphere');
      const flowers = document.getElementById('flowers');

      // Let it pour for ~10s, then fade over 3s
      setTimeout(() => { rainEl.components.rain.fadeOut(3); }, 10000);

      // When rain fully faded, brighten and bloom
      rainEl.addEventListener('rain-faded', () => {
        darkener.setAttribute('animation__brighten',
          'property: material.opacity; from: 0.6; to: 0.1; dur: 3000; easing: easeInOutSine');

        flowers.setAttribute('visible', true);
        flowers.setAttribute('flower-field', 'radius: 4.5; count: 70');
      });
    </script>
  </a-scene>
</body>
</html>