aframe-gltf-helpers.js

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/***/ "./index.js":
/*!******************!*\
  !*** ./index.js ***!
  \******************/
/*! no static exports found */
/***/ (function(module, exports) {

eval("/* global AFRAME */\nif (typeof AFRAME === 'undefined') {\n  throw new Error('Component attempted to register before AFRAME was available.');\n}\n\nvar LOADING_MODELS = {};\nvar MODELS = {};\nAFRAME.registerComponent('gltf-part-plus', {\n  schema: {\n    buffer: {\n      default: true\n    },\n    part: {\n      type: 'string'\n    },\n    src: {\n      type: 'asset'\n    },\n    resetPosition: {\n      default: false\n    }\n  },\n  init: function () {\n    this.dracoLoader = document.querySelector('a-scene').systems['gltf-model'].getDRACOLoader();\n  },\n  update: function () {\n    var el = this.el;\n    var data = this.data;\n\n    if (!this.data.part && this.data.src) {\n      return;\n    }\n\n    this.getModel(function (modelPart) {\n      if (!modelPart) {\n        return;\n      }\n\n      if (data.resetPosition) {\n        el.setAttribute('position', modelPart.position.x + ' ' + modelPart.position.y + ' ' + modelPart.position.z);\n        modelPart.position.set(0, 0, 0);\n      }\n\n      el.setObject3D('mesh', modelPart);\n      el.emit('model-loaded', {\n        format: 'gltf',\n        part: this.modelPart\n      });\n    });\n  },\n\n  /**\n   * Fetch, cache, and select from GLTF.\n   *\n   * @returns {object} Selected subset of model.\n   */\n  getModel: function (cb) {\n    var self = this; // Already parsed, grab it.\n\n    if (MODELS[this.data.src]) {\n      cb(this.selectFromModel(MODELS[this.data.src]));\n      return;\n    } // Currently loading, wait for it.\n\n\n    if (LOADING_MODELS[this.data.src]) {\n      return LOADING_MODELS[this.data.src].then(function (model) {\n        cb(self.selectFromModel(model));\n      });\n    } // Not yet fetching, fetch it.\n\n\n    LOADING_MODELS[this.data.src] = new Promise(function (resolve) {\n      var loader = new THREE.GLTFLoader();\n\n      if (self.dracoLoader) {\n        loader.setDRACOLoader(self.dracoLoader);\n      }\n\n      loader.load(self.data.src, function (gltfModel) {\n        var model = gltfModel.scene || gltfModel.scenes[0];\n        MODELS[self.data.src] = model;\n        delete LOADING_MODELS[self.data.src];\n        cb(self.selectFromModel(model));\n        resolve(model);\n      }, function () {}, console.error);\n    });\n  },\n\n  /**\n   * Search for the part name and look for a mesh.\n   */\n  selectFromModel: function (model) {\n    var mesh;\n    var part;\n    part = model.getObjectByName(this.data.part);\n\n    if (!part) {\n      console.error('[gltf-part] `' + this.data.part + '` not found in model.');\n      return;\n    }\n\n    mesh = part.getObjectByProperty('type', 'Mesh').clone(true);\n\n    if (this.data.buffer) {\n      mesh.geometry = mesh.geometry.toNonIndexed();\n      return mesh;\n    }\n\n    mesh.geometry = new THREE.Geometry().fromBufferGeometry(mesh.geometry);\n    return mesh;\n  }\n});\nAFRAME.registerComponent('model-center', {\n  schema: {\n    bottomAlign: {\n      default: false\n    }\n  },\n  init: function () {\n    this.el.addEventListener('model-loaded', event => {\n      var modelPart = this.el.getObject3D('mesh');\n      modelPart.position.set(0, 0, 0); // center all axes\n\n      modelPart.geometry.center();\n\n      if (this.data.bottomAlign) {\n        // align the bottom of the geometry on the y axis\n        var box = new THREE.Box3().setFromObject(modelPart);\n        var boundingBoxSize = box.max.sub(box.min);\n        var height = boundingBoxSize.y;\n        modelPart.position.y = height / 2;\n      }\n    });\n  }\n});\nAFRAME.registerComponent('anisotropy', {\n  schema: {\n    default: 0\n  },\n  // default 0 will apply max anisotropy according to hardware\n  dependencies: ['material', 'geometry'],\n  init: function () {\n    this.maxAnisotropy = this.el.sceneEl.renderer.capabilities.getMaxAnisotropy(); // console.log('this.maxAnisotropy', this.maxAnisotropy);\n\n    this.el.addEventListener('model-loaded', () => {\n      const mesh = this.el.getObject3D('mesh'); // console.log('mesh', mesh);\n\n      var anisotropyTargetValue = this.data;\n      anisotropyTargetValue = +anisotropyTargetValue || 0; // https://stackoverflow.com/questions/7540397/convert-nan-to-0-in-javascript\n      // console.log('anisotropyTargetValue', anisotropyTargetValue);\n\n      if (anisotropyTargetValue === 0) {\n        anisotropyTargetValue = this.maxAnisotropy; // console.log('anisotropyTargetValue', anisotropyTargetValue);\n      }\n\n      mesh.traverse(object => {\n        if (object.isMesh === true && object.material.map !== null) {\n          // console.log('object', object);\n          // console.log('object.material.map.anisotropy', object.material.map.anisotropy);\n          object.material.map.anisotropy = anisotropyTargetValue; // console.log('object.material.map.anisotropy', object.material.map.anisotropy);\n\n          object.material.map.needsUpdate = true;\n        }\n      });\n    });\n  }\n});\n\n//# sourceURL=webpack:///./index.js?");

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