bytev-charts
Version:
基于echarts和JavaScript及ES6封装的一个可以直接调用的图表组件库，内置主题设计，简单快捷，且支持用户自定义配置； npm 安装方式: npm install bytev-charts 若启动提示还需额外install插件,则运行 npm install @babel/runtime-corejs2 即可;
1,397 lines (1,162 loc) • 97 kB
JavaScript
import _typeof from "@babel/runtime-corejs2/helpers/typeof";
import "core-js/modules/es.array.index-of.js";
import "core-js/modules/es.array.splice.js";
import "core-js/modules/es.array.iterator.js";
import "core-js/modules/es.array-buffer.slice.js";
import "core-js/modules/es.object.to-string.js";
import "core-js/modules/es.typed-array.uint8-array.js";
import "core-js/modules/es.typed-array.copy-within.js";
import "core-js/modules/es.typed-array.every.js";
import "core-js/modules/es.typed-array.fill.js";
import "core-js/modules/es.typed-array.filter.js";
import "core-js/modules/es.typed-array.find.js";
import "core-js/modules/es.typed-array.find-index.js";
import "core-js/modules/es.typed-array.for-each.js";
import "core-js/modules/es.typed-array.includes.js";
import "core-js/modules/es.typed-array.index-of.js";
import "core-js/modules/es.typed-array.iterator.js";
import "core-js/modules/es.typed-array.join.js";
import "core-js/modules/es.typed-array.last-index-of.js";
import "core-js/modules/es.typed-array.map.js";
import "core-js/modules/es.typed-array.reduce.js";
import "core-js/modules/es.typed-array.reduce-right.js";
import "core-js/modules/es.typed-array.reverse.js";
import "core-js/modules/es.typed-array.set.js";
import "core-js/modules/es.typed-array.slice.js";
import "core-js/modules/es.typed-array.some.js";
import "core-js/modules/es.typed-array.sort.js";
import "core-js/modules/es.typed-array.subarray.js";
import "core-js/modules/es.typed-array.to-locale-string.js";
import "core-js/modules/es.typed-array.to-string.js";
import "core-js/modules/es.function.name.js";
import "core-js/modules/es.promise.js";
import "core-js/modules/es.string.iterator.js";
import "core-js/modules/web.dom-collections.iterator.js";
import "core-js/modules/es.data-view.js";
import "core-js/modules/es.array.slice.js";
import "core-js/modules/es.string.repeat.js";
import "core-js/modules/es.array.join.js";
import "core-js/modules/es.regexp.exec.js";
import "core-js/modules/es.string.replace.js";
import "core-js/modules/es.array.map.js";
import "core-js/modules/es.typed-array.int8-array.js";
import "core-js/modules/es.typed-array.int16-array.js";
import "core-js/modules/es.typed-array.uint16-array.js";
import "core-js/modules/es.typed-array.uint32-array.js";
import "core-js/modules/es.typed-array.float32-array.js";
import "core-js/modules/es.array.sort.js";
import "core-js/modules/web.url.js";
import "core-js/modules/web.url-search-params.js";
import "core-js/modules/es.function.bind.js";
import _Object$assign from "@babel/runtime-corejs2/core-js/object/assign";
import _Object$create from "@babel/runtime-corejs2/core-js/object/create";
import _Promise from "@babel/runtime-corejs2/core-js/promise";
import _Array$isArray from "@babel/runtime-corejs2/core-js/array/is-array";
import _Object$defineProperties from "@babel/runtime-corejs2/core-js/object/define-properties";
import _Object$keys from "@babel/runtime-corejs2/core-js/object/keys";
import _Map from "@babel/runtime-corejs2/core-js/map";
import _Object$values from "@babel/runtime-corejs2/core-js/object/values";
console.warn("THREE.GLTFLoader: As part of the transition to ES6 Modules, the files in 'examples/js' were deprecated in May 2020 (r117) and will be deleted in December 2020 (r124). You can find more information about developing using ES6 Modules in https://threejs.org/docs/#manual/en/introduction/Installation.");
THREE.GLTFLoader = function () {
function GLTFLoader(manager) {
THREE.Loader.call(this, manager);
this.dracoLoader = null;
this.ddsLoader = null;
this.ktx2Loader = null;
this.pluginCallbacks = [];
this.register(function (parser) {
return new GLTFMaterialsClearcoatExtension(parser);
});
this.register(function (parser) {
return new GLTFTextureBasisUExtension(parser);
});
this.register(function (parser) {
return new GLTFMaterialsTransmissionExtension(parser);
});
}
GLTFLoader.prototype = _Object$assign(_Object$create(THREE.Loader.prototype), {
constructor: GLTFLoader,
load: function load(url, onLoad, onProgress, onError) {
var scope = this;
var resourcePath;
if (this.resourcePath !== '') {
resourcePath = this.resourcePath;
} else if (this.path !== '') {
resourcePath = this.path;
} else {
resourcePath = THREE.LoaderUtils.extractUrlBase(url);
} // Tells the LoadingManager to track an extra item, which resolves after
// the model is fully loaded. This means the count of items loaded will
// be incorrect, but ensures manager.onLoad() does not fire early.
scope.manager.itemStart(url);
var _onError = function _onError(e) {
if (onError) {
onError(e);
} else {
console.error(e);
}
scope.manager.itemError(url);
scope.manager.itemEnd(url);
};
var loader = new THREE.FileLoader(scope.manager);
loader.setPath(this.path);
loader.setResponseType('arraybuffer');
loader.setRequestHeader(this.requestHeader);
if (scope.crossOrigin === 'use-credentials') {
loader.setWithCredentials(true);
}
loader.load(url, function (data) {
try {
scope.parse(data, resourcePath, function (gltf) {
onLoad(gltf);
scope.manager.itemEnd(url);
}, _onError);
} catch (e) {
_onError(e);
}
}, onProgress, _onError);
},
setDRACOLoader: function setDRACOLoader(dracoLoader) {
this.dracoLoader = dracoLoader;
return this;
},
setDDSLoader: function setDDSLoader(ddsLoader) {
this.ddsLoader = ddsLoader;
return this;
},
setKTX2Loader: function setKTX2Loader(ktx2Loader) {
this.ktx2Loader = ktx2Loader;
return this;
},
register: function register(callback) {
if (this.pluginCallbacks.indexOf(callback) === -1) {
this.pluginCallbacks.push(callback);
}
return this;
},
unregister: function unregister(callback) {
if (this.pluginCallbacks.indexOf(callback) !== -1) {
this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(callback), 1);
}
return this;
},
parse: function parse(data, path, onLoad, onError) {
var content;
var extensions = {};
var plugins = {};
if (typeof data === 'string') {
content = data;
} else {
var magic = THREE.LoaderUtils.decodeText(new Uint8Array(data, 0, 4));
if (magic === BINARY_EXTENSION_HEADER_MAGIC) {
try {
extensions[EXTENSIONS.KHR_BINARY_GLTF] = new GLTFBinaryExtension(data);
} catch (error) {
if (onError) onError(error);
return;
}
content = extensions[EXTENSIONS.KHR_BINARY_GLTF].content;
} else {
content = THREE.LoaderUtils.decodeText(new Uint8Array(data));
}
}
var json = JSON.parse(content);
if (json.asset === undefined || json.asset.version[0] < 2) {
if (onError) onError(new Error('THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.'));
return;
}
var parser = new GLTFParser(json, {
path: path || this.resourcePath || '',
crossOrigin: this.crossOrigin,
manager: this.manager,
ktx2Loader: this.ktx2Loader
});
parser.fileLoader.setRequestHeader(this.requestHeader);
for (var i = 0; i < this.pluginCallbacks.length; i++) {
var plugin = this.pluginCallbacks[i](parser);
plugins[plugin.name] = plugin; // Workaround to avoid determining as unknown extension
// in addUnknownExtensionsToUserData().
// Remove this workaround if we move all the existing
// extension handlers to plugin system
extensions[plugin.name] = true;
}
if (json.extensionsUsed) {
for (var i = 0; i < json.extensionsUsed.length; ++i) {
var extensionName = json.extensionsUsed[i];
var extensionsRequired = json.extensionsRequired || [];
switch (extensionName) {
case EXTENSIONS.KHR_LIGHTS_PUNCTUAL:
extensions[extensionName] = new GLTFLightsExtension(json);
break;
case EXTENSIONS.KHR_MATERIALS_UNLIT:
extensions[extensionName] = new GLTFMaterialsUnlitExtension();
break;
case EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:
extensions[extensionName] = new GLTFMaterialsPbrSpecularGlossinessExtension();
break;
case EXTENSIONS.KHR_DRACO_MESH_COMPRESSION:
extensions[extensionName] = new GLTFDracoMeshCompressionExtension(json, this.dracoLoader);
break;
case EXTENSIONS.MSFT_TEXTURE_DDS:
extensions[extensionName] = new GLTFTextureDDSExtension(this.ddsLoader);
break;
case EXTENSIONS.KHR_TEXTURE_TRANSFORM:
extensions[extensionName] = new GLTFTextureTransformExtension();
break;
case EXTENSIONS.KHR_MESH_QUANTIZATION:
extensions[extensionName] = new GLTFMeshQuantizationExtension();
break;
default:
if (extensionsRequired.indexOf(extensionName) >= 0 && plugins[extensionName] === undefined) {
console.warn('THREE.GLTFLoader: Unknown extension "' + extensionName + '".');
}
}
}
}
parser.setExtensions(extensions);
parser.setPlugins(plugins);
parser.parse(onLoad, onError);
}
});
/* GLTFREGISTRY */
function GLTFRegistry() {
var objects = {};
return {
get: function get(key) {
return objects[key];
},
add: function add(key, object) {
objects[key] = object;
},
remove: function remove(key) {
delete objects[key];
},
removeAll: function removeAll() {
objects = {};
}
};
}
/*********************************/
/********** EXTENSIONS ***********/
/*********************************/
var EXTENSIONS = {
KHR_BINARY_GLTF: 'KHR_binary_glTF',
KHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression',
KHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual',
KHR_MATERIALS_CLEARCOAT: 'KHR_materials_clearcoat',
KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness',
KHR_MATERIALS_TRANSMISSION: 'KHR_materials_transmission',
KHR_MATERIALS_UNLIT: 'KHR_materials_unlit',
KHR_TEXTURE_BASISU: 'KHR_texture_basisu',
KHR_TEXTURE_TRANSFORM: 'KHR_texture_transform',
KHR_MESH_QUANTIZATION: 'KHR_mesh_quantization',
MSFT_TEXTURE_DDS: 'MSFT_texture_dds'
};
/**
* DDS Texture Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/MSFT_texture_dds
*
*/
function GLTFTextureDDSExtension(ddsLoader) {
if (!ddsLoader) {
throw new Error('THREE.GLTFLoader: Attempting to load .dds texture without importing THREE.DDSLoader');
}
this.name = EXTENSIONS.MSFT_TEXTURE_DDS;
this.ddsLoader = ddsLoader;
}
/**
* Punctual Lights Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_lights_punctual
*/
function GLTFLightsExtension(json) {
this.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL;
var extension = json.extensions && json.extensions[EXTENSIONS.KHR_LIGHTS_PUNCTUAL] || {};
this.lightDefs = extension.lights || [];
}
GLTFLightsExtension.prototype.loadLight = function (lightIndex) {
var lightDef = this.lightDefs[lightIndex];
var lightNode;
var color = new THREE.Color(0xffffff);
if (lightDef.color !== undefined) color.fromArray(lightDef.color);
var range = lightDef.range !== undefined ? lightDef.range : 0;
switch (lightDef.type) {
case 'directional':
lightNode = new THREE.DirectionalLight(color);
lightNode.target.position.set(0, 0, -1);
lightNode.add(lightNode.target);
break;
case 'point':
lightNode = new THREE.PointLight(color);
lightNode.distance = range;
break;
case 'spot':
lightNode = new THREE.SpotLight(color);
lightNode.distance = range; // Handle spotlight properties.
lightDef.spot = lightDef.spot || {};
lightDef.spot.innerConeAngle = lightDef.spot.innerConeAngle !== undefined ? lightDef.spot.innerConeAngle : 0;
lightDef.spot.outerConeAngle = lightDef.spot.outerConeAngle !== undefined ? lightDef.spot.outerConeAngle : Math.PI / 4.0;
lightNode.angle = lightDef.spot.outerConeAngle;
lightNode.penumbra = 1.0 - lightDef.spot.innerConeAngle / lightDef.spot.outerConeAngle;
lightNode.target.position.set(0, 0, -1);
lightNode.add(lightNode.target);
break;
default:
throw new Error('THREE.GLTFLoader: Unexpected light type, "' + lightDef.type + '".');
} // Some lights (e.g. spot) default to a position other than the origin. Reset the position
// here, because node-level parsing will only override position if explicitly specified.
lightNode.position.set(0, 0, 0);
lightNode.decay = 2;
if (lightDef.intensity !== undefined) lightNode.intensity = lightDef.intensity;
lightNode.name = lightDef.name || 'light_' + lightIndex;
return _Promise.resolve(lightNode);
};
/**
* Unlit Materials Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_unlit
*/
function GLTFMaterialsUnlitExtension() {
this.name = EXTENSIONS.KHR_MATERIALS_UNLIT;
}
GLTFMaterialsUnlitExtension.prototype.getMaterialType = function () {
return THREE.MeshBasicMaterial;
};
GLTFMaterialsUnlitExtension.prototype.extendParams = function (materialParams, materialDef, parser) {
var pending = [];
materialParams.color = new THREE.Color(1.0, 1.0, 1.0);
materialParams.opacity = 1.0;
var metallicRoughness = materialDef.pbrMetallicRoughness;
if (metallicRoughness) {
if (_Array$isArray(metallicRoughness.baseColorFactor)) {
var array = metallicRoughness.baseColorFactor;
materialParams.color.fromArray(array);
materialParams.opacity = array[3];
}
if (metallicRoughness.baseColorTexture !== undefined) {
pending.push(parser.assignTexture(materialParams, 'map', metallicRoughness.baseColorTexture));
}
}
return _Promise.all(pending);
};
/**
* Clearcoat Materials Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_clearcoat
*/
function GLTFMaterialsClearcoatExtension(parser) {
this.parser = parser;
this.name = EXTENSIONS.KHR_MATERIALS_CLEARCOAT;
}
GLTFMaterialsClearcoatExtension.prototype.getMaterialType = function (materialIndex) {
var parser = this.parser;
var materialDef = parser.json.materials[materialIndex];
if (!materialDef.extensions || !materialDef.extensions[this.name]) return null;
return THREE.MeshPhysicalMaterial;
};
GLTFMaterialsClearcoatExtension.prototype.extendMaterialParams = function (materialIndex, materialParams) {
var parser = this.parser;
var materialDef = parser.json.materials[materialIndex];
if (!materialDef.extensions || !materialDef.extensions[this.name]) {
return _Promise.resolve();
}
var pending = [];
var extension = materialDef.extensions[this.name];
if (extension.clearcoatFactor !== undefined) {
materialParams.clearcoat = extension.clearcoatFactor;
}
if (extension.clearcoatTexture !== undefined) {
pending.push(parser.assignTexture(materialParams, 'clearcoatMap', extension.clearcoatTexture));
}
if (extension.clearcoatRoughnessFactor !== undefined) {
materialParams.clearcoatRoughness = extension.clearcoatRoughnessFactor;
}
if (extension.clearcoatRoughnessTexture !== undefined) {
pending.push(parser.assignTexture(materialParams, 'clearcoatRoughnessMap', extension.clearcoatRoughnessTexture));
}
if (extension.clearcoatNormalTexture !== undefined) {
pending.push(parser.assignTexture(materialParams, 'clearcoatNormalMap', extension.clearcoatNormalTexture));
if (extension.clearcoatNormalTexture.scale !== undefined) {
var scale = extension.clearcoatNormalTexture.scale;
materialParams.clearcoatNormalScale = new THREE.Vector2(scale, scale);
}
}
return _Promise.all(pending);
};
/**
* Transmission Materials Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_transmission
* Draft: https://github.com/KhronosGroup/glTF/pull/1698
*/
function GLTFMaterialsTransmissionExtension(parser) {
this.parser = parser;
this.name = EXTENSIONS.KHR_MATERIALS_TRANSMISSION;
}
GLTFMaterialsTransmissionExtension.prototype.getMaterialType = function (materialIndex) {
var parser = this.parser;
var materialDef = parser.json.materials[materialIndex];
if (!materialDef.extensions || !materialDef.extensions[this.name]) return null;
return THREE.MeshPhysicalMaterial;
};
GLTFMaterialsTransmissionExtension.prototype.extendMaterialParams = function (materialIndex, materialParams) {
var parser = this.parser;
var materialDef = parser.json.materials[materialIndex];
if (!materialDef.extensions || !materialDef.extensions[this.name]) {
return _Promise.resolve();
}
var pending = [];
var extension = materialDef.extensions[this.name];
if (extension.transmissionFactor !== undefined) {
materialParams.transmission = extension.transmissionFactor;
}
if (extension.transmissionTexture !== undefined) {
pending.push(parser.assignTexture(materialParams, 'transmissionMap', extension.transmissionTexture));
}
return _Promise.all(pending);
};
/**
* BasisU Texture Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_basisu
* (draft PR https://github.com/KhronosGroup/glTF/pull/1751)
*/
function GLTFTextureBasisUExtension(parser) {
this.parser = parser;
this.name = EXTENSIONS.KHR_TEXTURE_BASISU;
}
GLTFTextureBasisUExtension.prototype.loadTexture = function (textureIndex) {
var parser = this.parser;
var json = parser.json;
var textureDef = json.textures[textureIndex];
if (!textureDef.extensions || !textureDef.extensions[this.name]) {
return null;
}
var extension = textureDef.extensions[this.name];
var source = json.images[extension.source];
var loader = parser.options.ktx2Loader;
if (!loader) {
throw new Error('THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures');
}
return parser.loadTextureImage(textureIndex, source, loader);
};
/* BINARY EXTENSION */
var BINARY_EXTENSION_HEADER_MAGIC = 'glTF';
var BINARY_EXTENSION_HEADER_LENGTH = 12;
var BINARY_EXTENSION_CHUNK_TYPES = {
JSON: 0x4E4F534A,
BIN: 0x004E4942
};
function GLTFBinaryExtension(data) {
this.name = EXTENSIONS.KHR_BINARY_GLTF;
this.content = null;
this.body = null;
var headerView = new DataView(data, 0, BINARY_EXTENSION_HEADER_LENGTH);
this.header = {
magic: THREE.LoaderUtils.decodeText(new Uint8Array(data.slice(0, 4))),
version: headerView.getUint32(4, true),
length: headerView.getUint32(8, true)
};
if (this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC) {
throw new Error('THREE.GLTFLoader: Unsupported glTF-Binary header.');
} else if (this.header.version < 2.0) {
throw new Error('THREE.GLTFLoader: Legacy binary file detected.');
}
var chunkView = new DataView(data, BINARY_EXTENSION_HEADER_LENGTH);
var chunkIndex = 0;
while (chunkIndex < chunkView.byteLength) {
var chunkLength = chunkView.getUint32(chunkIndex, true);
chunkIndex += 4;
var chunkType = chunkView.getUint32(chunkIndex, true);
chunkIndex += 4;
if (chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON) {
var contentArray = new Uint8Array(data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength);
this.content = THREE.LoaderUtils.decodeText(contentArray);
} else if (chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN) {
var byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex;
this.body = data.slice(byteOffset, byteOffset + chunkLength);
} // Clients must ignore chunks with unknown types.
chunkIndex += chunkLength;
}
if (this.content === null) {
throw new Error('THREE.GLTFLoader: JSON content not found.');
}
}
/**
* DRACO Mesh Compression Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression
*/
function GLTFDracoMeshCompressionExtension(json, dracoLoader) {
if (!dracoLoader) {
throw new Error('THREE.GLTFLoader: No DRACOLoader instance provided.');
}
this.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;
this.json = json;
this.dracoLoader = dracoLoader;
this.dracoLoader.preload();
}
GLTFDracoMeshCompressionExtension.prototype.decodePrimitive = function (primitive, parser) {
var json = this.json;
var dracoLoader = this.dracoLoader;
var bufferViewIndex = primitive.extensions[this.name].bufferView;
var gltfAttributeMap = primitive.extensions[this.name].attributes;
var threeAttributeMap = {};
var attributeNormalizedMap = {};
var attributeTypeMap = {};
for (var attributeName in gltfAttributeMap) {
var threeAttributeName = ATTRIBUTES[attributeName] || attributeName.toLowerCase();
threeAttributeMap[threeAttributeName] = gltfAttributeMap[attributeName];
}
for (attributeName in primitive.attributes) {
var threeAttributeName = ATTRIBUTES[attributeName] || attributeName.toLowerCase();
if (gltfAttributeMap[attributeName] !== undefined) {
var accessorDef = json.accessors[primitive.attributes[attributeName]];
var componentType = WEBGL_COMPONENT_TYPES[accessorDef.componentType];
attributeTypeMap[threeAttributeName] = componentType;
attributeNormalizedMap[threeAttributeName] = accessorDef.normalized === true;
}
}
return parser.getDependency('bufferView', bufferViewIndex).then(function (bufferView) {
return new _Promise(function (resolve) {
dracoLoader.decodeDracoFile(bufferView, function (geometry) {
for (var attributeName in geometry.attributes) {
var attribute = geometry.attributes[attributeName];
var normalized = attributeNormalizedMap[attributeName];
if (normalized !== undefined) attribute.normalized = normalized;
}
resolve(geometry);
}, threeAttributeMap, attributeTypeMap);
});
});
};
/**
* Texture Transform Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_transform
*/
function GLTFTextureTransformExtension() {
this.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM;
}
GLTFTextureTransformExtension.prototype.extendTexture = function (texture, transform) {
texture = texture.clone();
if (transform.offset !== undefined) {
texture.offset.fromArray(transform.offset);
}
if (transform.rotation !== undefined) {
texture.rotation = transform.rotation;
}
if (transform.scale !== undefined) {
texture.repeat.fromArray(transform.scale);
}
if (transform.texCoord !== undefined) {
console.warn('THREE.GLTFLoader: Custom UV sets in "' + this.name + '" extension not yet supported.');
}
texture.needsUpdate = true;
return texture;
};
/**
* Specular-Glossiness Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_pbrSpecularGlossiness
*/
/**
* A sub class of THREE.StandardMaterial with some of the functionality
* changed via the `onBeforeCompile` callback
* @pailhead
*/
function GLTFMeshStandardSGMaterial(params) {
THREE.MeshStandardMaterial.call(this);
this.isGLTFSpecularGlossinessMaterial = true; //various chunks that need replacing
var specularMapParsFragmentChunk = ['#ifdef USE_SPECULARMAP', ' uniform sampler2D specularMap;', '#endif'].join('\n');
var glossinessMapParsFragmentChunk = ['#ifdef USE_GLOSSINESSMAP', ' uniform sampler2D glossinessMap;', '#endif'].join('\n');
var specularMapFragmentChunk = ['vec3 specularFactor = specular;', '#ifdef USE_SPECULARMAP', ' vec4 texelSpecular = texture2D( specularMap, vUv );', ' texelSpecular = sRGBToLinear( texelSpecular );', ' // reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture', ' specularFactor *= texelSpecular.rgb;', '#endif'].join('\n');
var glossinessMapFragmentChunk = ['float glossinessFactor = glossiness;', '#ifdef USE_GLOSSINESSMAP', ' vec4 texelGlossiness = texture2D( glossinessMap, vUv );', ' // reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture', ' glossinessFactor *= texelGlossiness.a;', '#endif'].join('\n');
var lightPhysicalFragmentChunk = ['PhysicalMaterial material;', 'material.diffuseColor = diffuseColor.rgb;', 'vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );', 'float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );', 'material.specularRoughness = max( 1.0 - glossinessFactor, 0.0525 );// 0.0525 corresponds to the base mip of a 256 cubemap.', 'material.specularRoughness += geometryRoughness;', 'material.specularRoughness = min( material.specularRoughness, 1.0 );', 'material.specularColor = specularFactor.rgb;'].join('\n');
var uniforms = {
specular: {
value: new THREE.Color().setHex(0xffffff)
},
glossiness: {
value: 1
},
specularMap: {
value: null
},
glossinessMap: {
value: null
}
};
this._extraUniforms = uniforms; // please see #14031 or #13198 for an alternate approach
this.onBeforeCompile = function (shader) {
for (var uniformName in uniforms) {
shader.uniforms[uniformName] = uniforms[uniformName];
}
shader.fragmentShader = shader.fragmentShader.replace('uniform float roughness;', 'uniform vec3 specular;');
shader.fragmentShader = shader.fragmentShader.replace('uniform float metalness;', 'uniform float glossiness;');
shader.fragmentShader = shader.fragmentShader.replace('#include <roughnessmap_pars_fragment>', specularMapParsFragmentChunk);
shader.fragmentShader = shader.fragmentShader.replace('#include <metalnessmap_pars_fragment>', glossinessMapParsFragmentChunk);
shader.fragmentShader = shader.fragmentShader.replace('#include <roughnessmap_fragment>', specularMapFragmentChunk);
shader.fragmentShader = shader.fragmentShader.replace('#include <metalnessmap_fragment>', glossinessMapFragmentChunk);
shader.fragmentShader = shader.fragmentShader.replace('#include <lights_physical_fragment>', lightPhysicalFragmentChunk);
};
/*eslint-disable*/
_Object$defineProperties(this, {
specular: {
get: function get() {
return uniforms.specular.value;
},
set: function set(v) {
uniforms.specular.value = v;
}
},
specularMap: {
get: function get() {
return uniforms.specularMap.value;
},
set: function set(v) {
uniforms.specularMap.value = v;
}
},
glossiness: {
get: function get() {
return uniforms.glossiness.value;
},
set: function set(v) {
uniforms.glossiness.value = v;
}
},
glossinessMap: {
get: function get() {
return uniforms.glossinessMap.value;
},
set: function set(v) {
uniforms.glossinessMap.value = v; //how about something like this - @pailhead
if (v) {
this.defines.USE_GLOSSINESSMAP = ''; // set USE_ROUGHNESSMAP to enable vUv
this.defines.USE_ROUGHNESSMAP = '';
} else {
delete this.defines.USE_ROUGHNESSMAP;
delete this.defines.USE_GLOSSINESSMAP;
}
}
}
});
/*eslint-enable*/
delete this.metalness;
delete this.roughness;
delete this.metalnessMap;
delete this.roughnessMap;
this.setValues(params);
}
GLTFMeshStandardSGMaterial.prototype = _Object$create(THREE.MeshStandardMaterial.prototype);
GLTFMeshStandardSGMaterial.prototype.constructor = GLTFMeshStandardSGMaterial;
GLTFMeshStandardSGMaterial.prototype.copy = function (source) {
THREE.MeshStandardMaterial.prototype.copy.call(this, source);
this.specularMap = source.specularMap;
this.specular.copy(source.specular);
this.glossinessMap = source.glossinessMap;
this.glossiness = source.glossiness;
delete this.metalness;
delete this.roughness;
delete this.metalnessMap;
delete this.roughnessMap;
return this;
};
function GLTFMaterialsPbrSpecularGlossinessExtension() {
return {
name: EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,
specularGlossinessParams: ['color', 'map', 'lightMap', 'lightMapIntensity', 'aoMap', 'aoMapIntensity', 'emissive', 'emissiveIntensity', 'emissiveMap', 'bumpMap', 'bumpScale', 'normalMap', 'normalMapType', 'displacementMap', 'displacementScale', 'displacementBias', 'specularMap', 'specular', 'glossinessMap', 'glossiness', 'alphaMap', 'envMap', 'envMapIntensity', 'refractionRatio'],
getMaterialType: function getMaterialType() {
return GLTFMeshStandardSGMaterial;
},
extendParams: function extendParams(materialParams, materialDef, parser) {
var pbrSpecularGlossiness = materialDef.extensions[this.name];
materialParams.color = new THREE.Color(1.0, 1.0, 1.0);
materialParams.opacity = 1.0;
var pending = [];
if (_Array$isArray(pbrSpecularGlossiness.diffuseFactor)) {
var array = pbrSpecularGlossiness.diffuseFactor;
materialParams.color.fromArray(array);
materialParams.opacity = array[3];
}
if (pbrSpecularGlossiness.diffuseTexture !== undefined) {
pending.push(parser.assignTexture(materialParams, 'map', pbrSpecularGlossiness.diffuseTexture));
}
materialParams.emissive = new THREE.Color(0.0, 0.0, 0.0);
materialParams.glossiness = pbrSpecularGlossiness.glossinessFactor !== undefined ? pbrSpecularGlossiness.glossinessFactor : 1.0;
materialParams.specular = new THREE.Color(1.0, 1.0, 1.0);
if (_Array$isArray(pbrSpecularGlossiness.specularFactor)) {
materialParams.specular.fromArray(pbrSpecularGlossiness.specularFactor);
}
if (pbrSpecularGlossiness.specularGlossinessTexture !== undefined) {
var specGlossMapDef = pbrSpecularGlossiness.specularGlossinessTexture;
pending.push(parser.assignTexture(materialParams, 'glossinessMap', specGlossMapDef));
pending.push(parser.assignTexture(materialParams, 'specularMap', specGlossMapDef));
}
return _Promise.all(pending);
},
createMaterial: function createMaterial(materialParams) {
var material = new GLTFMeshStandardSGMaterial(materialParams);
material.fog = true;
material.color = materialParams.color;
material.map = materialParams.map === undefined ? null : materialParams.map;
material.lightMap = null;
material.lightMapIntensity = 1.0;
material.aoMap = materialParams.aoMap === undefined ? null : materialParams.aoMap;
material.aoMapIntensity = 1.0;
material.emissive = materialParams.emissive;
material.emissiveIntensity = 1.0;
material.emissiveMap = materialParams.emissiveMap === undefined ? null : materialParams.emissiveMap;
material.bumpMap = materialParams.bumpMap === undefined ? null : materialParams.bumpMap;
material.bumpScale = 1;
material.normalMap = materialParams.normalMap === undefined ? null : materialParams.normalMap;
material.normalMapType = THREE.TangentSpaceNormalMap;
if (materialParams.normalScale) material.normalScale = materialParams.normalScale;
material.displacementMap = null;
material.displacementScale = 1;
material.displacementBias = 0;
material.specularMap = materialParams.specularMap === undefined ? null : materialParams.specularMap;
material.specular = materialParams.specular;
material.glossinessMap = materialParams.glossinessMap === undefined ? null : materialParams.glossinessMap;
material.glossiness = materialParams.glossiness;
material.alphaMap = null;
material.envMap = materialParams.envMap === undefined ? null : materialParams.envMap;
material.envMapIntensity = 1.0;
material.refractionRatio = 0.98;
return material;
}
};
}
/**
* Mesh Quantization Extension
*
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization
*/
function GLTFMeshQuantizationExtension() {
this.name = EXTENSIONS.KHR_MESH_QUANTIZATION;
}
/*********************************/
/********** INTERPOLATION ********/
/*********************************/
// Spline Interpolation
// Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation
function GLTFCubicSplineInterpolant(parameterPositions, sampleValues, sampleSize, resultBuffer) {
THREE.Interpolant.call(this, parameterPositions, sampleValues, sampleSize, resultBuffer);
}
GLTFCubicSplineInterpolant.prototype = _Object$create(THREE.Interpolant.prototype);
GLTFCubicSplineInterpolant.prototype.constructor = GLTFCubicSplineInterpolant;
GLTFCubicSplineInterpolant.prototype.copySampleValue_ = function (index) {
// Copies a sample value to the result buffer. See description of glTF
// CUBICSPLINE values layout in interpolate_() function below.
var result = this.resultBuffer,
values = this.sampleValues,
valueSize = this.valueSize,
offset = index * valueSize * 3 + valueSize;
for (var i = 0; i !== valueSize; i++) {
result[i] = values[offset + i];
}
return result;
};
GLTFCubicSplineInterpolant.prototype.beforeStart_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
GLTFCubicSplineInterpolant.prototype.afterEnd_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
GLTFCubicSplineInterpolant.prototype.interpolate_ = function (i1, t0, t, t1) {
var result = this.resultBuffer;
var values = this.sampleValues;
var stride = this.valueSize;
var stride2 = stride * 2;
var stride3 = stride * 3;
var td = t1 - t0;
var p = (t - t0) / td;
var pp = p * p;
var ppp = pp * p;
var offset1 = i1 * stride3;
var offset0 = offset1 - stride3;
var s2 = -2 * ppp + 3 * pp;
var s3 = ppp - pp;
var s0 = 1 - s2;
var s1 = s3 - pp + p; // Layout of keyframe output values for CUBICSPLINE animations:
// [ inTangent_1, splineVertex_1, outTangent_1, inTangent_2, splineVertex_2, ... ]
for (var i = 0; i !== stride; i++) {
var p0 = values[offset0 + i + stride]; // splineVertex_k
var m0 = values[offset0 + i + stride2] * td; // outTangent_k * (t_k+1 - t_k)
var p1 = values[offset1 + i + stride]; // splineVertex_k+1
var m1 = values[offset1 + i] * td; // inTangent_k+1 * (t_k+1 - t_k)
result[i] = s0 * p0 + s1 * m0 + s2 * p1 + s3 * m1;
}
return result;
};
/*********************************/
/********** INTERNALS ************/
/*********************************/
/* CONSTANTS */
var WEBGL_CONSTANTS = {
FLOAT: 5126,
//FLOAT_MAT2: 35674,
FLOAT_MAT3: 35675,
FLOAT_MAT4: 35676,
FLOAT_VEC2: 35664,
FLOAT_VEC3: 35665,
FLOAT_VEC4: 35666,
LINEAR: 9729,
REPEAT: 10497,
SAMPLER_2D: 35678,
POINTS: 0,
LINES: 1,
LINE_LOOP: 2,
LINE_STRIP: 3,
TRIANGLES: 4,
TRIANGLE_STRIP: 5,
TRIANGLE_FAN: 6,
UNSIGNED_BYTE: 5121,
UNSIGNED_SHORT: 5123
};
var WEBGL_COMPONENT_TYPES = {
5120: Int8Array,
5121: Uint8Array,
5122: Int16Array,
5123: Uint16Array,
5125: Uint32Array,
5126: Float32Array
};
var WEBGL_FILTERS = {
9728: THREE.NearestFilter,
9729: THREE.LinearFilter,
9984: THREE.NearestMipmapNearestFilter,
9985: THREE.LinearMipmapNearestFilter,
9986: THREE.NearestMipmapLinearFilter,
9987: THREE.LinearMipmapLinearFilter
};
var WEBGL_WRAPPINGS = {
33071: THREE.ClampToEdgeWrapping,
33648: THREE.MirroredRepeatWrapping,
10497: THREE.RepeatWrapping
};
var WEBGL_TYPE_SIZES = {
'SCALAR': 1,
'VEC2': 2,
'VEC3': 3,
'VEC4': 4,
'MAT2': 4,
'MAT3': 9,
'MAT4': 16
};
var ATTRIBUTES = {
POSITION: 'position',
NORMAL: 'normal',
TANGENT: 'tangent',
TEXCOORD_0: 'uv',
TEXCOORD_1: 'uv2',
COLOR_0: 'color',
WEIGHTS_0: 'skinWeight',
JOINTS_0: 'skinIndex'
};
var PATH_PROPERTIES = {
scale: 'scale',
translation: 'position',
rotation: 'quaternion',
weights: 'morphTargetInfluences'
};
var INTERPOLATION = {
CUBICSPLINE: undefined,
// We use a custom interpolant (GLTFCubicSplineInterpolation) for CUBICSPLINE tracks. Each
// keyframe track will be initialized with a default interpolation type, then modified.
LINEAR: THREE.InterpolateLinear,
STEP: THREE.InterpolateDiscrete
};
var ALPHA_MODES = {
OPAQUE: 'OPAQUE',
MASK: 'MASK',
BLEND: 'BLEND'
};
/* UTILITY FUNCTIONS */
function resolveURL(url, path) {
// Invalid URL
if (typeof url !== 'string' || url === '') return ''; // Host Relative URL
if (/^https?:\/\//i.test(path) && /^\//.test(url)) {
path = path.replace(/(^https?:\/\/[^\/]+).*/i, '$1');
} // Absolute URL http://,https://,//
if (/^(https?:)?\/\//i.test(url)) return url; // Data URI
if (/^data:.*,.*$/i.test(url)) return url; // Blob URL
if (/^blob:.*$/i.test(url)) return url; // Relative URL
return path + url;
}
/**
* Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#default-material
*/
function createDefaultMaterial(cache) {
if (cache['DefaultMaterial'] === undefined) {
cache['DefaultMaterial'] = new THREE.MeshStandardMaterial({
color: 0xFFFFFF,
emissive: 0x000000,
metalness: 1,
roughness: 1,
transparent: false,
depthTest: true,
side: THREE.FrontSide
});
}
return cache['DefaultMaterial'];
}
function addUnknownExtensionsToUserData(knownExtensions, object, objectDef) {
// Add unknown glTF extensions to an object's userData.
for (var name in objectDef.extensions) {
if (knownExtensions[name] === undefined) {
object.userData.gltfExtensions = object.userData.gltfExtensions || {};
object.userData.gltfExtensions[name] = objectDef.extensions[name];
}
}
}
/**
* @param {THREE.Object3D|THREE.Material|THREE.BufferGeometry} object
* @param {GLTF.definition} gltfDef
*/
function assignExtrasToUserData(object, gltfDef) {
if (gltfDef.extras !== undefined) {
if (_typeof(gltfDef.extras) === 'object') {
_Object$assign(object.userData, gltfDef.extras);
} else {
console.warn('THREE.GLTFLoader: Ignoring primitive type .extras, ' + gltfDef.extras);
}
}
}
/**
* Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#morph-targets
*
* @param {THREE.BufferGeometry} geometry
* @param {Array<GLTF.Target>} targets
* @param {GLTFParser} parser
* @return {Promise<THREE.BufferGeometry>}
*/
function addMorphTargets(geometry, targets, parser) {
var hasMorphPosition = false;
var hasMorphNormal = false;
for (var i = 0, il = targets.length; i < il; i++) {
var target = targets[i];
if (target.POSITION !== undefined) hasMorphPosition = true;
if (target.NORMAL !== undefined) hasMorphNormal = true;
if (hasMorphPosition && hasMorphNormal) break;
}
if (!hasMorphPosition && !hasMorphNormal) return _Promise.resolve(geometry);
var pendingPositionAccessors = [];
var pendingNormalAccessors = [];
for (var i = 0, il = targets.length; i < il; i++) {
var target = targets[i];
if (hasMorphPosition) {
var pendingAccessor = target.POSITION !== undefined ? parser.getDependency('accessor', target.POSITION) : geometry.attributes.position;
pendingPositionAccessors.push(pendingAccessor);
}
if (hasMorphNormal) {
var pendingAccessor = target.NORMAL !== undefined ? parser.getDependency('accessor', target.NORMAL) : geometry.attributes.normal;
pendingNormalAccessors.push(pendingAccessor);
}
}
return _Promise.all([_Promise.all(pendingPositionAccessors), _Promise.all(pendingNormalAccessors)]).then(function (accessors) {
var morphPositions = accessors[0];
var morphNormals = accessors[1];
if (hasMorphPosition) geometry.morphAttributes.position = morphPositions;
if (hasMorphNormal) geometry.morphAttributes.normal = morphNormals;
geometry.morphTargetsRelative = true;
return geometry;
});
}
/**
* @param {THREE.Mesh} mesh
* @param {GLTF.Mesh} meshDef
*/
function updateMorphTargets(mesh, meshDef) {
mesh.updateMorphTargets();
if (meshDef.weights !== undefined) {
for (var i = 0, il = meshDef.weights.length; i < il; i++) {
mesh.morphTargetInfluences[i] = meshDef.weights[i];
}
} // .extras has user-defined data, so check that .extras.targetNames is an array.
if (meshDef.extras && _Array$isArray(meshDef.extras.targetNames)) {
var targetNames = meshDef.extras.targetNames;
if (mesh.morphTargetInfluences.length === targetNames.length) {
mesh.morphTargetDictionary = {};
for (var i = 0, il = targetNames.length; i < il; i++) {
mesh.morphTargetDictionary[targetNames[i]] = i;
}
} else {
console.warn('THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.');
}
}
}
function createPrimitiveKey(primitiveDef) {
var dracoExtension = primitiveDef.extensions && primitiveDef.extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION];
var geometryKey;
if (dracoExtension) {
geometryKey = 'draco:' + dracoExtension.bufferView + ':' + dracoExtension.indices + ':' + createAttributesKey(dracoExtension.attributes);
} else {
geometryKey = primitiveDef.indices + ':' + createAttributesKey(primitiveDef.attributes) + ':' + primitiveDef.mode;
}
return geometryKey;
}
function createAttributesKey(attributes) {
var attributesKey = '';
var keys = _Object$keys(attributes).sort();
for (var i = 0, il = keys.length; i < il; i++) {
attributesKey += keys[i] + ':' + attributes[keys[i]] + ';';
}
return attributesKey;
}
/* GLTF PARSER */
function GLTFParser(json, options) {
this.json = json || {};
this.extensions = {};
this.plugins = {};
this.options = options || {}; // loader object cache
this.cache = new GLTFRegistry(); // associations between Three.js objects and glTF elements
this.associations = new _Map(); // BufferGeometry caching
this.primitiveCache = {}; // Object3D instance caches
this.meshCache = {
refs: {},
uses: {}
};
this.cameraCache = {
refs: {},
uses: {}
};
this.lightCache = {
refs: {},
uses: {}
}; // Use an ImageBitmapLoader if imageBitmaps are supported. Moves much of the
// expensive work of uploading a texture to the GPU off the main thread.
if (typeof createImageBitmap !== 'undefined' && /Firefox/.test(navigator.userAgent) === false) {
this.textureLoader = new THREE.ImageBitmapLoader(this.options.manager);
} else {
this.textureLoader = new THREE.TextureLoader(this.options.manager);
}
this.textureLoader.setCrossOrigin(this.options.crossOrigin);
this.fileLoader = new THREE.FileLoader(this.options.manager);
this.fileLoader.setResponseType('arraybuffer');
if (this.options.crossOrigin === 'use-credentials') {
this.fileLoader.setWithCredentials(true);
}
}
GLTFParser.prototype.setExtensions = function (extensions) {
this.extensions = extensions;
};
GLTFParser.prototype.setPlugins = function (plugins) {
this.plugins = plugins;
};
GLTFParser.prototype.parse = function (onLoad, onError) {
var parser = this;
var json = this.json;
var extensions = this.extensions; // Clear the loader cache
this.cache.removeAll(); // Mark the special nodes/meshes in json for efficient parse
this._markDefs();
_Promise.all([this.getDependencies('scene'), this.getDependencies('animation'), this.getDependencies('camera')]).then(function (dependencies) {
var result = {
scene: dependencies[0][json.scene || 0],
scenes: dependencies[0],
animations: dependencies[1],
cameras: dependencies[2],
asset: json.asset,
parser: parser,
userData: {}
};
addUnknownExtensionsToUserData(extensions, result, json);
assignExtrasToUserData(result, json);
onLoad(result);
})["catch"](onError);
};
/**
* Marks the special nodes/meshes in json for efficient parse.
*/
GLTFParser.prototype._markDefs = function () {
var nodeDefs = this.json.nodes || [];
var skinDefs = this.json.skins || [];
var meshDefs = this.json.meshes || []; // Nothing in the node definition indicates whether it is a Bone or an
// Object3D. Use the skins' joint references to mark bones.
for (var skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex++) {
var joints = skinDefs[skinIndex].joints;
for (var i = 0, il = joints.length; i < il; i++) {
nodeDefs[joints[i]].isBone = true;
}
} // Iterate over all nodes, marking references to shared resources,
// as well as skeleton joints.
for (var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex++) {
var nodeDef = nodeDefs[nodeIndex];
if (nodeDef.mesh !== undefined) {
this._addNodeRef(this.meshCache, nodeDef.mesh); // Nothing in the mesh definition indicates whether it is
// a SkinnedMesh or Mesh. Use the node's mesh reference
// to mark SkinnedMesh if node has skin.
if (nodeDef.skin !== undefined) {
meshDefs[nodeDef.mesh].isSkinnedMesh = true;
}
}
if (nodeDef.camera !== undefined) {
this._addNodeRef(this.cameraCache, nodeDef.camera);
}
if (nodeDef.extensions && nodeDef.extensions[EXTENSIONS.KHR_LIGHTS_PUNCTUAL] && nodeDef.extensions[EXTENSIONS.KHR_LIGHTS_PUNCTUAL].light !== undefined) {
this._addNodeRef(this.lightCache, nodeDef.extensions[EXTENSIONS.KHR_LIGHTS_PUNCTUAL].light);
}
}
};
/**
* Counts references to shared node / Object3D resources. These resources
* can be reused, or "instantiated", at multiple nodes in the scene
* hierarchy. Mesh, Camera, and Light instances are instantiated and must
* be marked. Non-scenegraph resources (like Materials, Geometries, and
* Textures) can be reused directly and are not marked here.
*
* Example: CesiumMilkTruck sample model reuses "Wheel" meshes.
*/
GLTFParser.prototype._addNodeRef = function (cache, index) {
if (index === undefined) return;
if (cache.refs[index] === undefined) {
cache.refs[index] = cache.uses[index] = 0;
}
cache.refs[index]++;
};
/** Returns a reference to a shared resource, cloning it if necessary. */
GLTFParser.prototype._getNodeRef = function (cache, index, object) {
if (cache.refs[index] <= 1) return object;
var ref = object.clone();
ref.name += '_instance_' + cache.uses[index]++;
return ref;
};
GLTFParser.prototype._invokeOne = function (func) {
var extensions = _Object$values(this.plugins);
extensions.push(this);
for (var i = 0; i < extensions.length; i++) {
var result = func(extensions[i]);
if (result) return result;
}
};
GLTFParser.prototype._invokeAll = function (func) {
var extensions = _Object$values(this.plugins);
extensions.unshift(this);
var pending = [];
for (var i = 0; i < extensions.length; i++) {
pending.push(func(extensions[i]));
}
return _Promise.all(pending);
};
/**
* Requests the specified dependency asynchronously, with caching.
* @param {string} type
* @param {number} index
* @return {Promise<THREE.Object3D|THREE.Material|THREE.Texture|THREE.AnimationClip|ArrayBuffer|Object>}
*/
GLTFParser.prototype.getDependency = function (type, index) {
var cacheKey = type + ':' + index;
var dependency = this.cache.get(cacheKey);
if (!dependency) {
switch (type) {
case 'scene':
dependency = this.loadScene(index);
break;
case 'node':
dependency = this.loadNode(index);
break;
case 'mesh':
dependency = this._invokeOne(function (ext) {
return ext.loadMesh && ext.loadMesh(index);
});
break;
case 'accessor':
dependency = this.loadA