|
|
@@ -0,0 +1,3217 @@
|
|
|
+export function registerGLTFLoader(THREE) {
|
|
|
+
|
|
|
+
|
|
|
+ * @author Rich Tibbett / https:
|
|
|
+ * @author mrdoob / http:
|
|
|
+ * @author Tony Parisi / http:
|
|
|
+ * @author Takahiro / https:
|
|
|
+ * @author Don McCurdy / https:
|
|
|
+ */
|
|
|
+
|
|
|
+ THREE.GLTFLoader = (function () {
|
|
|
+
|
|
|
+ function GLTFLoader(manager) {
|
|
|
+
|
|
|
+ this.manager = (manager !== undefined) ? manager : THREE.DefaultLoadingManager;
|
|
|
+ this.dracoLoader = null;
|
|
|
+ this.ddsLoader = null;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFLoader.prototype = {
|
|
|
+
|
|
|
+ constructor: GLTFLoader,
|
|
|
+
|
|
|
+ crossOrigin: 'anonymous',
|
|
|
+
|
|
|
+ load: function (url, onLoad, onProgress, onError) {
|
|
|
+
|
|
|
+ var scope = this;
|
|
|
+
|
|
|
+ var resourcePath;
|
|
|
+
|
|
|
+ if (this.resourcePath !== undefined) {
|
|
|
+
|
|
|
+ resourcePath = this.resourcePath;
|
|
|
+
|
|
|
+ } else if (this.path !== undefined) {
|
|
|
+
|
|
|
+ resourcePath = this.path;
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ resourcePath = THREE.LoaderUtils.extractUrlBase(url);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ scope.manager.itemStart(url);
|
|
|
+
|
|
|
+ var _onError = function (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');
|
|
|
+
|
|
|
+ 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);
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ setCrossOrigin: function (value) {
|
|
|
+
|
|
|
+ this.crossOrigin = value;
|
|
|
+ return this;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ setPath: function (value) {
|
|
|
+
|
|
|
+ this.path = value;
|
|
|
+ return this;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ setResourcePath: function (value) {
|
|
|
+
|
|
|
+ this.resourcePath = value;
|
|
|
+ return this;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ setDRACOLoader: function (dracoLoader) {
|
|
|
+
|
|
|
+ this.dracoLoader = dracoLoader;
|
|
|
+ return this;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ setDDSLoader: function (ddsLoader) {
|
|
|
+
|
|
|
+ this.ddsLoader = ddsLoader;
|
|
|
+ return this;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ parse: function (data, path, onLoad, onError) {
|
|
|
+
|
|
|
+ var content;
|
|
|
+ var extensions = {};
|
|
|
+
|
|
|
+ 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. Use LegacyGLTFLoader instead.'));
|
|
|
+ return;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ 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[EXTENSIONS.MSFT_TEXTURE_DDS] = new GLTFTextureDDSExtension(this.ddsLoader);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case EXTENSIONS.KHR_TEXTURE_TRANSFORM:
|
|
|
+ extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM] = new GLTFTextureTransformExtension();
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+
|
|
|
+ if (extensionsRequired.indexOf(extensionName) >= 0) {
|
|
|
+
|
|
|
+ console.warn('THREE.GLTFLoader: Unknown extension "' + extensionName + '".');
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var parser = new GLTFParser(json, extensions, {
|
|
|
+
|
|
|
+ path: path || this.resourcePath || '',
|
|
|
+ crossOrigin: this.crossOrigin,
|
|
|
+ manager: this.manager
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ parser.parse(onLoad, onError);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ function GLTFRegistry() {
|
|
|
+
|
|
|
+ var objects = {};
|
|
|
+
|
|
|
+ return {
|
|
|
+
|
|
|
+ get: function (key) {
|
|
|
+
|
|
|
+ return objects[key];
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ add: function (key, object) {
|
|
|
+
|
|
|
+ objects[key] = object;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ remove: function (key) {
|
|
|
+
|
|
|
+ delete objects[key];
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ removeAll: function () {
|
|
|
+
|
|
|
+ objects = {};
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ var EXTENSIONS = {
|
|
|
+ KHR_BINARY_GLTF: 'KHR_binary_glTF',
|
|
|
+ KHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression',
|
|
|
+ KHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual',
|
|
|
+ KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness',
|
|
|
+ KHR_MATERIALS_UNLIT: 'KHR_materials_unlit',
|
|
|
+ KHR_TEXTURE_TRANSFORM: 'KHR_texture_transform',
|
|
|
+ MSFT_TEXTURE_DDS: 'MSFT_texture_dds'
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * DDS Texture Extension
|
|
|
+ *
|
|
|
+ * Specification:
|
|
|
+ * https:
|
|
|
+ *
|
|
|
+ */
|
|
|
+ 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;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ * Lights Extension
|
|
|
+ *
|
|
|
+ * Specification: PENDING
|
|
|
+ */
|
|
|
+ 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;
|
|
|
+
|
|
|
+ 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 + '".');
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ 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 (pending)
|
|
|
+ *
|
|
|
+ * PR: https:
|
|
|
+ */
|
|
|
+ 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);
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ 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. Use LegacyGLTFLoader instead.');
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ 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);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ chunkIndex += chunkLength;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (this.content === null) {
|
|
|
+
|
|
|
+ throw new Error('THREE.GLTFLoader: JSON content not found.');
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ * DRACO Mesh Compression Extension
|
|
|
+ *
|
|
|
+ * Specification: https:
|
|
|
+ */
|
|
|
+ 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;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ 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:
|
|
|
+ */
|
|
|
+ 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:
|
|
|
+ */
|
|
|
+ function GLTFMaterialsPbrSpecularGlossinessExtension() {
|
|
|
+
|
|
|
+ return {
|
|
|
+
|
|
|
+ name: EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,
|
|
|
+
|
|
|
+ specularGlossinessParams: [
|
|
|
+ 'color',
|
|
|
+ 'map',
|
|
|
+ 'lightMap',
|
|
|
+ 'lightMapIntensity',
|
|
|
+ 'aoMap',
|
|
|
+ 'aoMapIntensity',
|
|
|
+ 'emissive',
|
|
|
+ 'emissiveIntensity',
|
|
|
+ 'emissiveMap',
|
|
|
+ 'bumpMap',
|
|
|
+ 'bumpScale',
|
|
|
+ 'normalMap',
|
|
|
+ 'displacementMap',
|
|
|
+ 'displacementScale',
|
|
|
+ 'displacementBias',
|
|
|
+ 'specularMap',
|
|
|
+ 'specular',
|
|
|
+ 'glossinessMap',
|
|
|
+ 'glossiness',
|
|
|
+ 'alphaMap',
|
|
|
+ 'envMap',
|
|
|
+ 'envMapIntensity',
|
|
|
+ 'refractionRatio',
|
|
|
+ ],
|
|
|
+
|
|
|
+ getMaterialType: function () {
|
|
|
+
|
|
|
+ return THREE.ShaderMaterial;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ extendParams: function (materialParams, materialDef, parser) {
|
|
|
+
|
|
|
+ var pbrSpecularGlossiness = materialDef.extensions[this.name];
|
|
|
+
|
|
|
+ var shader = THREE.ShaderLib['standard'];
|
|
|
+
|
|
|
+ var uniforms = THREE.UniformsUtils.clone(shader.uniforms);
|
|
|
+
|
|
|
+ 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;',
|
|
|
+ 'material.specularRoughness = clamp( 1.0 - glossinessFactor, 0.04, 1.0 );',
|
|
|
+ 'material.specularColor = specularFactor.rgb;',
|
|
|
+ ].join('\n');
|
|
|
+
|
|
|
+ var fragmentShader = shader.fragmentShader
|
|
|
+ .replace('uniform float roughness;', 'uniform vec3 specular;')
|
|
|
+ .replace('uniform float metalness;', 'uniform float glossiness;')
|
|
|
+ .replace('#include <roughnessmap_pars_fragment>', specularMapParsFragmentChunk)
|
|
|
+ .replace('#include <metalnessmap_pars_fragment>', glossinessMapParsFragmentChunk)
|
|
|
+ .replace('#include <roughnessmap_fragment>', specularMapFragmentChunk)
|
|
|
+ .replace('#include <metalnessmap_fragment>', glossinessMapFragmentChunk)
|
|
|
+ .replace('#include <lights_physical_fragment>', lightPhysicalFragmentChunk);
|
|
|
+
|
|
|
+ delete uniforms.roughness;
|
|
|
+ delete uniforms.metalness;
|
|
|
+ delete uniforms.roughnessMap;
|
|
|
+ delete uniforms.metalnessMap;
|
|
|
+
|
|
|
+ uniforms.specular = { value: new THREE.Color().setHex(0x111111) };
|
|
|
+ uniforms.glossiness = { value: 0.5 };
|
|
|
+ uniforms.specularMap = { value: null };
|
|
|
+ uniforms.glossinessMap = { value: null };
|
|
|
+
|
|
|
+ materialParams.vertexShader = shader.vertexShader;
|
|
|
+ materialParams.fragmentShader = fragmentShader;
|
|
|
+ materialParams.uniforms = uniforms;
|
|
|
+ materialParams.defines = { 'STANDARD': '' }
|
|
|
+
|
|
|
+ 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 (params) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ var material = new THREE.ShaderMaterial({
|
|
|
+ defines: params.defines,
|
|
|
+ vertexShader: params.vertexShader,
|
|
|
+ fragmentShader: params.fragmentShader,
|
|
|
+ uniforms: params.uniforms,
|
|
|
+ fog: true,
|
|
|
+ lights: true,
|
|
|
+ opacity: params.opacity,
|
|
|
+ transparent: params.transparent
|
|
|
+ });
|
|
|
+
|
|
|
+ material.isGLTFSpecularGlossinessMaterial = true;
|
|
|
+
|
|
|
+ material.color = params.color;
|
|
|
+
|
|
|
+ material.map = params.map === undefined ? null : params.map;
|
|
|
+
|
|
|
+ material.lightMap = null;
|
|
|
+ material.lightMapIntensity = 1.0;
|
|
|
+
|
|
|
+ material.aoMap = params.aoMap === undefined ? null : params.aoMap;
|
|
|
+ material.aoMapIntensity = 1.0;
|
|
|
+
|
|
|
+ material.emissive = params.emissive;
|
|
|
+ material.emissiveIntensity = 1.0;
|
|
|
+ material.emissiveMap = params.emissiveMap === undefined ? null : params.emissiveMap;
|
|
|
+
|
|
|
+ material.bumpMap = params.bumpMap === undefined ? null : params.bumpMap;
|
|
|
+ material.bumpScale = 1;
|
|
|
+
|
|
|
+ material.normalMap = params.normalMap === undefined ? null : params.normalMap;
|
|
|
+
|
|
|
+ if (params.normalScale) material.normalScale = params.normalScale;
|
|
|
+
|
|
|
+ material.displacementMap = null;
|
|
|
+ material.displacementScale = 1;
|
|
|
+ material.displacementBias = 0;
|
|
|
+
|
|
|
+ material.specularMap = params.specularMap === undefined ? null : params.specularMap;
|
|
|
+ material.specular = params.specular;
|
|
|
+
|
|
|
+ material.glossinessMap = params.glossinessMap === undefined ? null : params.glossinessMap;
|
|
|
+ material.glossiness = params.glossiness;
|
|
|
+
|
|
|
+ material.alphaMap = null;
|
|
|
+
|
|
|
+ material.envMap = params.envMap === undefined ? null : params.envMap;
|
|
|
+ material.envMapIntensity = 1.0;
|
|
|
+
|
|
|
+ material.refractionRatio = 0.98;
|
|
|
+
|
|
|
+ material.extensions.derivatives = true;
|
|
|
+
|
|
|
+ return material;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+
|
|
|
+ * Clones a GLTFSpecularGlossinessMaterial instance. The ShaderMaterial.copy() method can
|
|
|
+ * copy only properties it knows about or inherits, and misses many properties that would
|
|
|
+ * normally be defined by MeshStandardMaterial.
|
|
|
+ *
|
|
|
+ * This method allows GLTFSpecularGlossinessMaterials to be cloned in the process of
|
|
|
+ * loading a glTF model, but cloning later (e.g. by the user) would require these changes
|
|
|
+ * AND also updating `.onBeforeRender` on the parent mesh.
|
|
|
+ *
|
|
|
+ * @param {THREE.ShaderMaterial} source
|
|
|
+ * @return {THREE.ShaderMaterial}
|
|
|
+ */
|
|
|
+ cloneMaterial: function (source) {
|
|
|
+
|
|
|
+ var target = source.clone();
|
|
|
+
|
|
|
+ target.isGLTFSpecularGlossinessMaterial = true;
|
|
|
+
|
|
|
+ var params = this.specularGlossinessParams;
|
|
|
+
|
|
|
+ for (var i = 0, il = params.length; i < il; i++) {
|
|
|
+
|
|
|
+ var value = source[params[i]];
|
|
|
+ target[params[i]] = (value && value.isColor) ? value.clone() : value;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return target;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+
|
|
|
+ refreshUniforms: function (renderer, scene, camera, geometry, material) {
|
|
|
+
|
|
|
+ if (material.isGLTFSpecularGlossinessMaterial !== true) {
|
|
|
+
|
|
|
+ return;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var uniforms = material.uniforms;
|
|
|
+ var defines = material.defines;
|
|
|
+
|
|
|
+ uniforms.opacity.value = material.opacity;
|
|
|
+
|
|
|
+ uniforms.diffuse.value.copy(material.color);
|
|
|
+ uniforms.emissive.value.copy(material.emissive).multiplyScalar(material.emissiveIntensity);
|
|
|
+
|
|
|
+ uniforms.map.value = material.map;
|
|
|
+ uniforms.specularMap.value = material.specularMap;
|
|
|
+ uniforms.alphaMap.value = material.alphaMap;
|
|
|
+
|
|
|
+ uniforms.lightMap.value = material.lightMap;
|
|
|
+ uniforms.lightMapIntensity.value = material.lightMapIntensity;
|
|
|
+
|
|
|
+ uniforms.aoMap.value = material.aoMap;
|
|
|
+ uniforms.aoMapIntensity.value = material.aoMapIntensity;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ var uvScaleMap;
|
|
|
+
|
|
|
+ if (material.map) {
|
|
|
+
|
|
|
+ uvScaleMap = material.map;
|
|
|
+
|
|
|
+ } else if (material.specularMap) {
|
|
|
+
|
|
|
+ uvScaleMap = material.specularMap;
|
|
|
+
|
|
|
+ } else if (material.displacementMap) {
|
|
|
+
|
|
|
+ uvScaleMap = material.displacementMap;
|
|
|
+
|
|
|
+ } else if (material.normalMap) {
|
|
|
+
|
|
|
+ uvScaleMap = material.normalMap;
|
|
|
+
|
|
|
+ } else if (material.bumpMap) {
|
|
|
+
|
|
|
+ uvScaleMap = material.bumpMap;
|
|
|
+
|
|
|
+ } else if (material.glossinessMap) {
|
|
|
+
|
|
|
+ uvScaleMap = material.glossinessMap;
|
|
|
+
|
|
|
+ } else if (material.alphaMap) {
|
|
|
+
|
|
|
+ uvScaleMap = material.alphaMap;
|
|
|
+
|
|
|
+ } else if (material.emissiveMap) {
|
|
|
+
|
|
|
+ uvScaleMap = material.emissiveMap;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (uvScaleMap !== undefined) {
|
|
|
+
|
|
|
+
|
|
|
+ if (uvScaleMap.isWebGLRenderTarget) {
|
|
|
+
|
|
|
+ uvScaleMap = uvScaleMap.texture;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (uvScaleMap.matrixAutoUpdate === true) {
|
|
|
+
|
|
|
+ uvScaleMap.updateMatrix();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ uniforms.uvTransform.value.copy(uvScaleMap.matrix);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (material.envMap) {
|
|
|
+
|
|
|
+ uniforms.envMap.value = material.envMap;
|
|
|
+ uniforms.envMapIntensity.value = material.envMapIntensity;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ uniforms.flipEnvMap.value = material.envMap.isCubeTexture ? - 1 : 1;
|
|
|
+
|
|
|
+ uniforms.reflectivity.value = material.reflectivity;
|
|
|
+ uniforms.refractionRatio.value = material.refractionRatio;
|
|
|
+
|
|
|
+ uniforms.maxMipLevel.value = renderer.properties.get(material.envMap).__maxMipLevel;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ uniforms.specular.value.copy(material.specular);
|
|
|
+ uniforms.glossiness.value = material.glossiness;
|
|
|
+
|
|
|
+ uniforms.glossinessMap.value = material.glossinessMap;
|
|
|
+
|
|
|
+ uniforms.emissiveMap.value = material.emissiveMap;
|
|
|
+ uniforms.bumpMap.value = material.bumpMap;
|
|
|
+ uniforms.normalMap.value = material.normalMap;
|
|
|
+
|
|
|
+ uniforms.displacementMap.value = material.displacementMap;
|
|
|
+ uniforms.displacementScale.value = material.displacementScale;
|
|
|
+ uniforms.displacementBias.value = material.displacementBias;
|
|
|
+
|
|
|
+ if (uniforms.glossinessMap.value !== null && defines.USE_GLOSSINESSMAP === undefined) {
|
|
|
+
|
|
|
+ defines.USE_GLOSSINESSMAP = '';
|
|
|
+
|
|
|
+ defines.USE_ROUGHNESSMAP = '';
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (uniforms.glossinessMap.value === null && defines.USE_GLOSSINESSMAP !== undefined) {
|
|
|
+
|
|
|
+ delete defines.USE_GLOSSINESSMAP;
|
|
|
+ delete defines.USE_ROUGHNESSMAP;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ 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) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ 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;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ for (var i = 0; i !== stride; i++) {
|
|
|
+
|
|
|
+ var p0 = values[offset0 + i + stride];
|
|
|
+ var m0 = values[offset0 + i + stride2] * td;
|
|
|
+ var p1 = values[offset1 + i + stride];
|
|
|
+ var m1 = values[offset1 + i] * td;
|
|
|
+
|
|
|
+ result[i] = s0 * p0 + s1 * m0 + s2 * p1 + s3 * m1;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return result;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ var WEBGL_CONSTANTS = {
|
|
|
+ FLOAT: 5126,
|
|
|
+
|
|
|
+ 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,
|
|
|
+
|
|
|
+ LINEAR: THREE.InterpolateLinear,
|
|
|
+ STEP: THREE.InterpolateDiscrete
|
|
|
+ };
|
|
|
+
|
|
|
+ var ALPHA_MODES = {
|
|
|
+ OPAQUE: 'OPAQUE',
|
|
|
+ MASK: 'MASK',
|
|
|
+ BLEND: 'BLEND'
|
|
|
+ };
|
|
|
+
|
|
|
+ var MIME_TYPE_FORMATS = {
|
|
|
+ 'image/png': THREE.RGBAFormat,
|
|
|
+ 'image/jpeg': THREE.RGBFormat
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ function resolveURL(url, path) {
|
|
|
+
|
|
|
+
|
|
|
+ if (typeof url !== 'string' || url === '') return '';
|
|
|
+
|
|
|
+
|
|
|
+ if (/^https?:\/\//i.test(path) && /^\//.test(url)) {
|
|
|
+
|
|
|
+ path = path.replace(/(^https?:\/\/[^\/]+).*/i, '$1');
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ if (/^(https?:)?\/\//i.test(url)) return url;
|
|
|
+
|
|
|
+
|
|
|
+ if (/^data:.*,.*$/i.test(url)) return url;
|
|
|
+
|
|
|
+
|
|
|
+ if (/^blob:.*$/i.test(url)) return url;
|
|
|
+
|
|
|
+
|
|
|
+ return path + url;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var defaultMaterial;
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ */
|
|
|
+ function createDefaultMaterial() {
|
|
|
+
|
|
|
+ defaultMaterial = defaultMaterial || new THREE.MeshStandardMaterial({
|
|
|
+ color: 0xFFFFFF,
|
|
|
+ emissive: 0x000000,
|
|
|
+ metalness: 1,
|
|
|
+ roughness: 1,
|
|
|
+ transparent: false,
|
|
|
+ depthTest: true,
|
|
|
+ side: THREE.FrontSide
|
|
|
+ });
|
|
|
+
|
|
|
+ return defaultMaterial;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function addUnknownExtensionsToUserData(knownExtensions, object, objectDef) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ 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:
|
|
|
+ *
|
|
|
+ * @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];
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ for (var i = 0, il = morphPositions.length; i < il; i++) {
|
|
|
+
|
|
|
+ if (geometry.attributes.position === morphPositions[i]) continue;
|
|
|
+
|
|
|
+ morphPositions[i] = cloneBufferAttribute(morphPositions[i]);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ for (var i = 0, il = morphNormals.length; i < il; i++) {
|
|
|
+
|
|
|
+ if (geometry.attributes.normal === morphNormals[i]) continue;
|
|
|
+
|
|
|
+ morphNormals[i] = cloneBufferAttribute(morphNormals[i]);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ for (var i = 0, il = targets.length; i < il; i++) {
|
|
|
+
|
|
|
+ var target = targets[i];
|
|
|
+ var attributeName = 'morphTarget' + i;
|
|
|
+
|
|
|
+ if (hasMorphPosition) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ if (target.POSITION !== undefined) {
|
|
|
+
|
|
|
+ var positionAttribute = morphPositions[i];
|
|
|
+ positionAttribute.name = attributeName;
|
|
|
+
|
|
|
+ var position = geometry.attributes.position;
|
|
|
+
|
|
|
+ for (var j = 0, jl = positionAttribute.count; j < jl; j++) {
|
|
|
+
|
|
|
+ positionAttribute.setXYZ(
|
|
|
+ j,
|
|
|
+ positionAttribute.getX(j) + position.getX(j),
|
|
|
+ positionAttribute.getY(j) + position.getY(j),
|
|
|
+ positionAttribute.getZ(j) + position.getZ(j)
|
|
|
+ );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (hasMorphNormal) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ if (target.NORMAL !== undefined) {
|
|
|
+
|
|
|
+ var normalAttribute = morphNormals[i];
|
|
|
+ normalAttribute.name = attributeName;
|
|
|
+
|
|
|
+ var normal = geometry.attributes.normal;
|
|
|
+
|
|
|
+ for (var j = 0, jl = normalAttribute.count; j < jl; j++) {
|
|
|
+
|
|
|
+ normalAttribute.setXYZ(
|
|
|
+ j,
|
|
|
+ normalAttribute.getX(j) + normal.getX(j),
|
|
|
+ normalAttribute.getY(j) + normal.getY(j),
|
|
|
+ normalAttribute.getZ(j) + normal.getZ(j)
|
|
|
+ );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (hasMorphPosition) geometry.morphAttributes.position = morphPositions;
|
|
|
+ if (hasMorphNormal) geometry.morphAttributes.normal = morphNormals;
|
|
|
+
|
|
|
+ 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];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ 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;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function cloneBufferAttribute(attribute) {
|
|
|
+
|
|
|
+ if (attribute.isInterleavedBufferAttribute) {
|
|
|
+
|
|
|
+ var count = attribute.count;
|
|
|
+ var itemSize = attribute.itemSize;
|
|
|
+ var array = attribute.array.slice(0, count * itemSize);
|
|
|
+
|
|
|
+ for (var i = 0, j = 0; i < count; ++i) {
|
|
|
+
|
|
|
+ array[j++] = attribute.getX(i);
|
|
|
+ if (itemSize >= 2) array[j++] = attribute.getY(i);
|
|
|
+ if (itemSize >= 3) array[j++] = attribute.getZ(i);
|
|
|
+ if (itemSize >= 4) array[j++] = attribute.getW(i);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return new THREE.BufferAttribute(array, itemSize, attribute.normalized);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return attribute.clone();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ function GLTFParser(json, extensions, options) {
|
|
|
+
|
|
|
+ this.json = json || {};
|
|
|
+ this.extensions = extensions || {};
|
|
|
+ this.options = options || {};
|
|
|
+
|
|
|
+
|
|
|
+ this.cache = new GLTFRegistry();
|
|
|
+
|
|
|
+
|
|
|
+ this.primitiveCache = {};
|
|
|
+
|
|
|
+ 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.parse = function (onLoad, onError) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+
|
|
|
+
|
|
|
+ this.cache.removeAll();
|
|
|
+
|
|
|
+
|
|
|
+ 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 || [];
|
|
|
+
|
|
|
+ var meshReferences = {};
|
|
|
+ var meshUses = {};
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ 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;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ for (var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex++) {
|
|
|
+
|
|
|
+ var nodeDef = nodeDefs[nodeIndex];
|
|
|
+
|
|
|
+ if (nodeDef.mesh !== undefined) {
|
|
|
+
|
|
|
+ if (meshReferences[nodeDef.mesh] === undefined) {
|
|
|
+
|
|
|
+ meshReferences[nodeDef.mesh] = meshUses[nodeDef.mesh] = 0;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ meshReferences[nodeDef.mesh]++;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ if (nodeDef.skin !== undefined) {
|
|
|
+
|
|
|
+ meshDefs[nodeDef.mesh].isSkinnedMesh = true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ this.json.meshReferences = meshReferences;
|
|
|
+ this.json.meshUses = meshUses;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * 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.loadMesh(index);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'accessor':
|
|
|
+ dependency = this.loadAccessor(index);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'bufferView':
|
|
|
+ dependency = this.loadBufferView(index);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'buffer':
|
|
|
+ dependency = this.loadBuffer(index);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'material':
|
|
|
+ dependency = this.loadMaterial(index);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'texture':
|
|
|
+ dependency = this.loadTexture(index);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'skin':
|
|
|
+ dependency = this.loadSkin(index);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'animation':
|
|
|
+ dependency = this.loadAnimation(index);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'camera':
|
|
|
+ dependency = this.loadCamera(index);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'light':
|
|
|
+ dependency = this.extensions[EXTENSIONS.KHR_LIGHTS_PUNCTUAL].loadLight(index);
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ throw new Error('Unknown type: ' + type);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ this.cache.add(cacheKey, dependency);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return dependency;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Requests all dependencies of the specified type asynchronously, with caching.
|
|
|
+ * @param {string} type
|
|
|
+ * @return {Promise<Array<Object>>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.getDependencies = function (type) {
|
|
|
+
|
|
|
+ var dependencies = this.cache.get(type);
|
|
|
+
|
|
|
+ if (!dependencies) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var defs = this.json[type + (type === 'mesh' ? 'es' : 's')] || [];
|
|
|
+
|
|
|
+ dependencies = Promise.all(defs.map(function (def, index) {
|
|
|
+
|
|
|
+ return parser.getDependency(type, index);
|
|
|
+
|
|
|
+ }));
|
|
|
+
|
|
|
+ this.cache.add(type, dependencies);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return dependencies;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ * @param {number} bufferIndex
|
|
|
+ * @return {Promise<ArrayBuffer>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadBuffer = function (bufferIndex) {
|
|
|
+
|
|
|
+ var bufferDef = this.json.buffers[bufferIndex];
|
|
|
+ var loader = this.fileLoader;
|
|
|
+
|
|
|
+ if (bufferDef.type && bufferDef.type !== 'arraybuffer') {
|
|
|
+
|
|
|
+ throw new Error('THREE.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.');
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ if (bufferDef.uri === undefined && bufferIndex === 0) {
|
|
|
+
|
|
|
+ return Promise.resolve(this.extensions[EXTENSIONS.KHR_BINARY_GLTF].body);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var options = this.options;
|
|
|
+
|
|
|
+ return new Promise(function (resolve, reject) {
|
|
|
+
|
|
|
+ loader.load(resolveURL(bufferDef.uri, options.path), resolve, undefined, function () {
|
|
|
+
|
|
|
+ reject(new Error('THREE.GLTFLoader: Failed to load buffer "' + bufferDef.uri + '".'));
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ * @param {number} bufferViewIndex
|
|
|
+ * @return {Promise<ArrayBuffer>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadBufferView = function (bufferViewIndex) {
|
|
|
+
|
|
|
+ var bufferViewDef = this.json.bufferViews[bufferViewIndex];
|
|
|
+
|
|
|
+ return this.getDependency('buffer', bufferViewDef.buffer).then(function (buffer) {
|
|
|
+
|
|
|
+ var byteLength = bufferViewDef.byteLength || 0;
|
|
|
+ var byteOffset = bufferViewDef.byteOffset || 0;
|
|
|
+ return buffer.slice(byteOffset, byteOffset + byteLength);
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ * @param {number} accessorIndex
|
|
|
+ * @return {Promise<THREE.BufferAttribute|THREE.InterleavedBufferAttribute>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadAccessor = function (accessorIndex) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+
|
|
|
+ var accessorDef = this.json.accessors[accessorIndex];
|
|
|
+
|
|
|
+ if (accessorDef.bufferView === undefined && accessorDef.sparse === undefined) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ return Promise.resolve(null);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var pendingBufferViews = [];
|
|
|
+
|
|
|
+ if (accessorDef.bufferView !== undefined) {
|
|
|
+
|
|
|
+ pendingBufferViews.push(this.getDependency('bufferView', accessorDef.bufferView));
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ pendingBufferViews.push(null);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (accessorDef.sparse !== undefined) {
|
|
|
+
|
|
|
+ pendingBufferViews.push(this.getDependency('bufferView', accessorDef.sparse.indices.bufferView));
|
|
|
+ pendingBufferViews.push(this.getDependency('bufferView', accessorDef.sparse.values.bufferView));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all(pendingBufferViews).then(function (bufferViews) {
|
|
|
+
|
|
|
+ var bufferView = bufferViews[0];
|
|
|
+
|
|
|
+ var itemSize = WEBGL_TYPE_SIZES[accessorDef.type];
|
|
|
+ var TypedArray = WEBGL_COMPONENT_TYPES[accessorDef.componentType];
|
|
|
+
|
|
|
+
|
|
|
+ var elementBytes = TypedArray.BYTES_PER_ELEMENT;
|
|
|
+ var itemBytes = elementBytes * itemSize;
|
|
|
+ var byteOffset = accessorDef.byteOffset || 0;
|
|
|
+ var byteStride = accessorDef.bufferView !== undefined ? json.bufferViews[accessorDef.bufferView].byteStride : undefined;
|
|
|
+ var normalized = accessorDef.normalized === true;
|
|
|
+ var array, bufferAttribute;
|
|
|
+
|
|
|
+
|
|
|
+ if (byteStride && byteStride !== itemBytes) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ var ibSlice = Math.floor(byteOffset / byteStride);
|
|
|
+ var ibCacheKey = 'InterleavedBuffer:' + accessorDef.bufferView + ':' + accessorDef.componentType + ':' + ibSlice + ':' + accessorDef.count;
|
|
|
+ var ib = parser.cache.get(ibCacheKey);
|
|
|
+
|
|
|
+ if (!ib) {
|
|
|
+
|
|
|
+ array = new TypedArray(bufferView, ibSlice * byteStride, accessorDef.count * byteStride / elementBytes);
|
|
|
+
|
|
|
+
|
|
|
+ ib = new THREE.InterleavedBuffer(array, byteStride / elementBytes);
|
|
|
+
|
|
|
+ parser.cache.add(ibCacheKey, ib);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ bufferAttribute = new THREE.InterleavedBufferAttribute(ib, itemSize, (byteOffset % byteStride) / elementBytes, normalized);
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ if (bufferView === null) {
|
|
|
+
|
|
|
+ array = new TypedArray(accessorDef.count * itemSize);
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ array = new TypedArray(bufferView, byteOffset, accessorDef.count * itemSize);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ bufferAttribute = new THREE.BufferAttribute(array, itemSize, normalized);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ if (accessorDef.sparse !== undefined) {
|
|
|
+
|
|
|
+ var itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR;
|
|
|
+ var TypedArrayIndices = WEBGL_COMPONENT_TYPES[accessorDef.sparse.indices.componentType];
|
|
|
+
|
|
|
+ var byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0;
|
|
|
+ var byteOffsetValues = accessorDef.sparse.values.byteOffset || 0;
|
|
|
+
|
|
|
+ var sparseIndices = new TypedArrayIndices(bufferViews[1], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices);
|
|
|
+ var sparseValues = new TypedArray(bufferViews[2], byteOffsetValues, accessorDef.sparse.count * itemSize);
|
|
|
+
|
|
|
+ if (bufferView !== null) {
|
|
|
+
|
|
|
+
|
|
|
+ bufferAttribute.setArray(bufferAttribute.array.slice());
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ for (var i = 0, il = sparseIndices.length; i < il; i++) {
|
|
|
+
|
|
|
+ var index = sparseIndices[i];
|
|
|
+
|
|
|
+ bufferAttribute.setX(index, sparseValues[i * itemSize]);
|
|
|
+ if (itemSize >= 2) bufferAttribute.setY(index, sparseValues[i * itemSize + 1]);
|
|
|
+ if (itemSize >= 3) bufferAttribute.setZ(index, sparseValues[i * itemSize + 2]);
|
|
|
+ if (itemSize >= 4) bufferAttribute.setW(index, sparseValues[i * itemSize + 3]);
|
|
|
+ if (itemSize >= 5) throw new Error('THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.');
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return bufferAttribute;
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ * @param {number} textureIndex
|
|
|
+ * @return {Promise<THREE.Texture>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadTexture = function (textureIndex) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+ var options = this.options;
|
|
|
+ var textureLoader = this.textureLoader;
|
|
|
+
|
|
|
+ var URL = window.URL || window.webkitURL;
|
|
|
+
|
|
|
+ var textureDef = json.textures[textureIndex];
|
|
|
+
|
|
|
+ var textureExtensions = textureDef.extensions || {};
|
|
|
+
|
|
|
+ var source;
|
|
|
+
|
|
|
+ if (textureExtensions[EXTENSIONS.MSFT_TEXTURE_DDS]) {
|
|
|
+
|
|
|
+ source = json.images[textureExtensions[EXTENSIONS.MSFT_TEXTURE_DDS].source];
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ source = json.images[textureDef.source];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var sourceURI = source.uri;
|
|
|
+ var isObjectURL = false;
|
|
|
+
|
|
|
+ if (source.bufferView !== undefined) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ sourceURI = parser.getDependency('bufferView', source.bufferView).then(function (bufferView) {
|
|
|
+
|
|
|
+ isObjectURL = true;
|
|
|
+ var blob = new Blob([bufferView], { type: source.mimeType });
|
|
|
+ sourceURI = URL.createObjectURL(blob);
|
|
|
+ return sourceURI;
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.resolve(sourceURI).then(function (sourceURI) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ var loader = THREE.Loader.Handlers.get(sourceURI);
|
|
|
+
|
|
|
+ if (!loader) {
|
|
|
+
|
|
|
+ loader = textureExtensions[EXTENSIONS.MSFT_TEXTURE_DDS]
|
|
|
+ ? parser.extensions[EXTENSIONS.MSFT_TEXTURE_DDS].ddsLoader
|
|
|
+ : textureLoader;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return new Promise(function (resolve, reject) {
|
|
|
+
|
|
|
+ loader.load(resolveURL(sourceURI, options.path), resolve, undefined, reject);
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ }).then(function (texture) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ if (isObjectURL === true) {
|
|
|
+
|
|
|
+ URL.revokeObjectURL(sourceURI);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ texture.flipY = false;
|
|
|
+
|
|
|
+ if (textureDef.name !== undefined) texture.name = textureDef.name;
|
|
|
+
|
|
|
+
|
|
|
+ if (source.mimeType in MIME_TYPE_FORMATS) {
|
|
|
+
|
|
|
+ texture.format = MIME_TYPE_FORMATS[source.mimeType];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var samplers = json.samplers || {};
|
|
|
+ var sampler = samplers[textureDef.sampler] || {};
|
|
|
+
|
|
|
+ texture.magFilter = WEBGL_FILTERS[sampler.magFilter] || THREE.LinearFilter;
|
|
|
+ texture.minFilter = WEBGL_FILTERS[sampler.minFilter] || THREE.LinearMipmapLinearFilter;
|
|
|
+ texture.wrapS = WEBGL_WRAPPINGS[sampler.wrapS] || THREE.RepeatWrapping;
|
|
|
+ texture.wrapT = WEBGL_WRAPPINGS[sampler.wrapT] || THREE.RepeatWrapping;
|
|
|
+
|
|
|
+ return texture;
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Asynchronously assigns a texture to the given material parameters.
|
|
|
+ * @param {Object} materialParams
|
|
|
+ * @param {string} mapName
|
|
|
+ * @param {Object} mapDef
|
|
|
+ * @return {Promise}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.assignTexture = function (materialParams, mapName, mapDef) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+
|
|
|
+ return this.getDependency('texture', mapDef.index).then(function (texture) {
|
|
|
+
|
|
|
+ if (!texture.isCompressedTexture) {
|
|
|
+
|
|
|
+ switch (mapName) {
|
|
|
+
|
|
|
+ case 'aoMap':
|
|
|
+ case 'emissiveMap':
|
|
|
+ case 'metalnessMap':
|
|
|
+ case 'normalMap':
|
|
|
+ case 'roughnessMap':
|
|
|
+ texture.format = THREE.RGBFormat;
|
|
|
+ break;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (parser.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM]) {
|
|
|
+
|
|
|
+ var transform = mapDef.extensions !== undefined ? mapDef.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM] : undefined;
|
|
|
+
|
|
|
+ if (transform) {
|
|
|
+
|
|
|
+ texture = parser.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM].extendTexture(texture, transform);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ materialParams[mapName] = texture;
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Assigns final material to a Mesh, Line, or Points instance. The instance
|
|
|
+ * already has a material (generated from the glTF material options alone)
|
|
|
+ * but reuse of the same glTF material may require multiple threejs materials
|
|
|
+ * to accomodate different primitive types, defines, etc. New materials will
|
|
|
+ * be created if necessary, and reused from a cache.
|
|
|
+ * @param {THREE.Object3D} mesh Mesh, Line, or Points instance.
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.assignFinalMaterial = function (mesh) {
|
|
|
+
|
|
|
+ var geometry = mesh.geometry;
|
|
|
+ var material = mesh.material;
|
|
|
+ var extensions = this.extensions;
|
|
|
+
|
|
|
+ var useVertexTangents = geometry.attributes.tangent !== undefined;
|
|
|
+ var useVertexColors = geometry.attributes.color !== undefined;
|
|
|
+ var useFlatShading = geometry.attributes.normal === undefined;
|
|
|
+ var useSkinning = mesh.isSkinnedMesh === true;
|
|
|
+ var useMorphTargets = Object.keys(geometry.morphAttributes).length > 0;
|
|
|
+ var useMorphNormals = useMorphTargets && geometry.morphAttributes.normal !== undefined;
|
|
|
+
|
|
|
+ if (mesh.isPoints) {
|
|
|
+
|
|
|
+ var cacheKey = 'PointsMaterial:' + material.uuid;
|
|
|
+
|
|
|
+ var pointsMaterial = this.cache.get(cacheKey);
|
|
|
+
|
|
|
+ if (!pointsMaterial) {
|
|
|
+
|
|
|
+ pointsMaterial = new THREE.PointsMaterial();
|
|
|
+ THREE.Material.prototype.copy.call(pointsMaterial, material);
|
|
|
+ pointsMaterial.color.copy(material.color);
|
|
|
+ pointsMaterial.map = material.map;
|
|
|
+ pointsMaterial.lights = false;
|
|
|
+ pointsMaterial.sizeAttenuation = false;
|
|
|
+
|
|
|
+ this.cache.add(cacheKey, pointsMaterial);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ material = pointsMaterial;
|
|
|
+
|
|
|
+ } else if (mesh.isLine) {
|
|
|
+
|
|
|
+ var cacheKey = 'LineBasicMaterial:' + material.uuid;
|
|
|
+
|
|
|
+ var lineMaterial = this.cache.get(cacheKey);
|
|
|
+
|
|
|
+ if (!lineMaterial) {
|
|
|
+
|
|
|
+ lineMaterial = new THREE.LineBasicMaterial();
|
|
|
+ THREE.Material.prototype.copy.call(lineMaterial, material);
|
|
|
+ lineMaterial.color.copy(material.color);
|
|
|
+ lineMaterial.lights = false;
|
|
|
+
|
|
|
+ this.cache.add(cacheKey, lineMaterial);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ material = lineMaterial;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ if (useVertexTangents || useVertexColors || useFlatShading || useSkinning || useMorphTargets) {
|
|
|
+
|
|
|
+ var cacheKey = 'ClonedMaterial:' + material.uuid + ':';
|
|
|
+
|
|
|
+ if (material.isGLTFSpecularGlossinessMaterial) cacheKey += 'specular-glossiness:';
|
|
|
+ if (useSkinning) cacheKey += 'skinning:';
|
|
|
+ if (useVertexTangents) cacheKey += 'vertex-tangents:';
|
|
|
+ if (useVertexColors) cacheKey += 'vertex-colors:';
|
|
|
+ if (useFlatShading) cacheKey += 'flat-shading:';
|
|
|
+ if (useMorphTargets) cacheKey += 'morph-targets:';
|
|
|
+ if (useMorphNormals) cacheKey += 'morph-normals:';
|
|
|
+
|
|
|
+ var cachedMaterial = this.cache.get(cacheKey);
|
|
|
+
|
|
|
+ if (!cachedMaterial) {
|
|
|
+
|
|
|
+ cachedMaterial = material.isGLTFSpecularGlossinessMaterial
|
|
|
+ ? extensions[EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS].cloneMaterial(material)
|
|
|
+ : material.clone();
|
|
|
+
|
|
|
+ if (useSkinning) cachedMaterial.skinning = true;
|
|
|
+ if (useVertexTangents) cachedMaterial.vertexTangents = true;
|
|
|
+ if (useVertexColors) cachedMaterial.vertexColors = THREE.VertexColors;
|
|
|
+ if (useFlatShading) cachedMaterial.flatShading = true;
|
|
|
+ if (useMorphTargets) cachedMaterial.morphTargets = true;
|
|
|
+ if (useMorphNormals) cachedMaterial.morphNormals = true;
|
|
|
+
|
|
|
+ this.cache.add(cacheKey, cachedMaterial);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ material = cachedMaterial;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ if (material.aoMap && geometry.attributes.uv2 === undefined && geometry.attributes.uv !== undefined) {
|
|
|
+
|
|
|
+ console.log('THREE.GLTFLoader: Duplicating UVs to support aoMap.');
|
|
|
+ geometry.addAttribute('uv2', new THREE.BufferAttribute(geometry.attributes.uv.array, 2));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (material.isGLTFSpecularGlossinessMaterial) {
|
|
|
+
|
|
|
+
|
|
|
+ mesh.onBeforeRender = extensions[EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS].refreshUniforms;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ mesh.material = material;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ * @param {number} materialIndex
|
|
|
+ * @return {Promise<THREE.Material>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadMaterial = function (materialIndex) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var materialDef = json.materials[materialIndex];
|
|
|
+
|
|
|
+ var materialType;
|
|
|
+ var materialParams = {};
|
|
|
+ var materialExtensions = materialDef.extensions || {};
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ if (materialExtensions[EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS]) {
|
|
|
+
|
|
|
+ var sgExtension = extensions[EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS];
|
|
|
+ materialType = sgExtension.getMaterialType();
|
|
|
+ pending.push(sgExtension.extendParams(materialParams, materialDef, parser));
|
|
|
+
|
|
|
+ } else if (materialExtensions[EXTENSIONS.KHR_MATERIALS_UNLIT]) {
|
|
|
+
|
|
|
+ var kmuExtension = extensions[EXTENSIONS.KHR_MATERIALS_UNLIT];
|
|
|
+ materialType = kmuExtension.getMaterialType();
|
|
|
+ pending.push(kmuExtension.extendParams(materialParams, materialDef, parser));
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ materialType = THREE.MeshStandardMaterial;
|
|
|
+
|
|
|
+ var metallicRoughness = materialDef.pbrMetallicRoughness || {};
|
|
|
+
|
|
|
+ materialParams.color = new THREE.Color(1.0, 1.0, 1.0);
|
|
|
+ materialParams.opacity = 1.0;
|
|
|
+
|
|
|
+ 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));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ materialParams.metalness = metallicRoughness.metallicFactor !== undefined ? metallicRoughness.metallicFactor : 1.0;
|
|
|
+ materialParams.roughness = metallicRoughness.roughnessFactor !== undefined ? metallicRoughness.roughnessFactor : 1.0;
|
|
|
+
|
|
|
+ if (metallicRoughness.metallicRoughnessTexture !== undefined) {
|
|
|
+
|
|
|
+ pending.push(parser.assignTexture(materialParams, 'metalnessMap', metallicRoughness.metallicRoughnessTexture));
|
|
|
+ pending.push(parser.assignTexture(materialParams, 'roughnessMap', metallicRoughness.metallicRoughnessTexture));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (materialDef.doubleSided === true) {
|
|
|
+
|
|
|
+ materialParams.side = THREE.DoubleSide;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE;
|
|
|
+
|
|
|
+ if (alphaMode === ALPHA_MODES.BLEND) {
|
|
|
+
|
|
|
+ materialParams.transparent = true;
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ materialParams.transparent = false;
|
|
|
+
|
|
|
+ if (alphaMode === ALPHA_MODES.MASK) {
|
|
|
+
|
|
|
+ materialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (materialDef.normalTexture !== undefined && materialType !== THREE.MeshBasicMaterial) {
|
|
|
+
|
|
|
+ pending.push(parser.assignTexture(materialParams, 'normalMap', materialDef.normalTexture));
|
|
|
+
|
|
|
+ materialParams.normalScale = new THREE.Vector2(1, 1);
|
|
|
+
|
|
|
+ if (materialDef.normalTexture.scale !== undefined) {
|
|
|
+
|
|
|
+ materialParams.normalScale.set(materialDef.normalTexture.scale, materialDef.normalTexture.scale);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (materialDef.occlusionTexture !== undefined && materialType !== THREE.MeshBasicMaterial) {
|
|
|
+
|
|
|
+ pending.push(parser.assignTexture(materialParams, 'aoMap', materialDef.occlusionTexture));
|
|
|
+
|
|
|
+ if (materialDef.occlusionTexture.strength !== undefined) {
|
|
|
+
|
|
|
+ materialParams.aoMapIntensity = materialDef.occlusionTexture.strength;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (materialDef.emissiveFactor !== undefined && materialType !== THREE.MeshBasicMaterial) {
|
|
|
+
|
|
|
+ materialParams.emissive = new THREE.Color().fromArray(materialDef.emissiveFactor);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (materialDef.emissiveTexture !== undefined && materialType !== THREE.MeshBasicMaterial) {
|
|
|
+
|
|
|
+ pending.push(parser.assignTexture(materialParams, 'emissiveMap', materialDef.emissiveTexture));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all(pending).then(function () {
|
|
|
+
|
|
|
+ var material;
|
|
|
+
|
|
|
+ if (materialType === THREE.ShaderMaterial) {
|
|
|
+
|
|
|
+ material = extensions[EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS].createMaterial(materialParams);
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ material = new materialType(materialParams);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (materialDef.name !== undefined) material.name = materialDef.name;
|
|
|
+
|
|
|
+
|
|
|
+ if (material.map) material.map.encoding = THREE.sRGBEncoding;
|
|
|
+ if (material.emissiveMap) material.emissiveMap.encoding = THREE.sRGBEncoding;
|
|
|
+ if (material.specularMap) material.specularMap.encoding = THREE.sRGBEncoding;
|
|
|
+
|
|
|
+ assignExtrasToUserData(material, materialDef);
|
|
|
+
|
|
|
+ if (materialDef.extensions) addUnknownExtensionsToUserData(extensions, material, materialDef);
|
|
|
+
|
|
|
+ return material;
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * @param {THREE.BufferGeometry} geometry
|
|
|
+ * @param {GLTF.Primitive} primitiveDef
|
|
|
+ * @param {GLTFParser} parser
|
|
|
+ * @return {Promise<THREE.BufferGeometry>}
|
|
|
+ */
|
|
|
+ function addPrimitiveAttributes(geometry, primitiveDef, parser) {
|
|
|
+
|
|
|
+ var attributes = primitiveDef.attributes;
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ function assignAttributeAccessor(accessorIndex, attributeName) {
|
|
|
+
|
|
|
+ return parser.getDependency('accessor', accessorIndex)
|
|
|
+ .then(function (accessor) {
|
|
|
+
|
|
|
+ geometry.addAttribute(attributeName, accessor);
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ for (var gltfAttributeName in attributes) {
|
|
|
+
|
|
|
+ var threeAttributeName = ATTRIBUTES[gltfAttributeName] || gltfAttributeName.toLowerCase();
|
|
|
+
|
|
|
+
|
|
|
+ if (threeAttributeName in geometry.attributes) continue;
|
|
|
+
|
|
|
+ pending.push(assignAttributeAccessor(attributes[gltfAttributeName], threeAttributeName));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (primitiveDef.indices !== undefined && !geometry.index) {
|
|
|
+
|
|
|
+ var accessor = parser.getDependency('accessor', primitiveDef.indices).then(function (accessor) {
|
|
|
+
|
|
|
+ geometry.setIndex(accessor);
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ pending.push(accessor);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ assignExtrasToUserData(geometry, primitiveDef);
|
|
|
+
|
|
|
+ return Promise.all(pending).then(function () {
|
|
|
+
|
|
|
+ return primitiveDef.targets !== undefined
|
|
|
+ ? addMorphTargets(geometry, primitiveDef.targets, parser)
|
|
|
+ : geometry;
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ *
|
|
|
+ * Creates BufferGeometries from primitives.
|
|
|
+ *
|
|
|
+ * @param {Array<GLTF.Primitive>} primitives
|
|
|
+ * @return {Promise<Array<THREE.BufferGeometry>>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadGeometries = function (primitives) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var cache = this.primitiveCache;
|
|
|
+
|
|
|
+ function createDracoPrimitive(primitive) {
|
|
|
+
|
|
|
+ return extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION]
|
|
|
+ .decodePrimitive(primitive, parser)
|
|
|
+ .then(function (geometry) {
|
|
|
+
|
|
|
+ return addPrimitiveAttributes(geometry, primitive, parser);
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ for (var i = 0, il = primitives.length; i < il; i++) {
|
|
|
+
|
|
|
+ var primitive = primitives[i];
|
|
|
+ var cacheKey = createPrimitiveKey(primitive);
|
|
|
+
|
|
|
+
|
|
|
+ var cached = cache[cacheKey];
|
|
|
+
|
|
|
+ if (cached) {
|
|
|
+
|
|
|
+
|
|
|
+ pending.push(cached.promise);
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ var geometryPromise;
|
|
|
+
|
|
|
+ if (primitive.extensions && primitive.extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION]) {
|
|
|
+
|
|
|
+
|
|
|
+ geometryPromise = createDracoPrimitive(primitive);
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+
|
|
|
+ geometryPromise = addPrimitiveAttributes(new THREE.BufferGeometry(), primitive, parser);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ cache[cacheKey] = { primitive: primitive, promise: geometryPromise };
|
|
|
+
|
|
|
+ pending.push(geometryPromise);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all(pending);
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ * @param {number} meshIndex
|
|
|
+ * @return {Promise<THREE.Group|THREE.Mesh|THREE.SkinnedMesh>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadMesh = function (meshIndex) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+
|
|
|
+ var meshDef = json.meshes[meshIndex];
|
|
|
+ var primitives = meshDef.primitives;
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ for (var i = 0, il = primitives.length; i < il; i++) {
|
|
|
+
|
|
|
+ var material = primitives[i].material === undefined
|
|
|
+ ? createDefaultMaterial()
|
|
|
+ : this.getDependency('material', primitives[i].material);
|
|
|
+
|
|
|
+ pending.push(material);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all(pending).then(function (originalMaterials) {
|
|
|
+
|
|
|
+ return parser.loadGeometries(primitives).then(function (geometries) {
|
|
|
+
|
|
|
+ var meshes = [];
|
|
|
+
|
|
|
+ for (var i = 0, il = geometries.length; i < il; i++) {
|
|
|
+
|
|
|
+ var geometry = geometries[i];
|
|
|
+ var primitive = primitives[i];
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ var mesh;
|
|
|
+
|
|
|
+ var material = originalMaterials[i];
|
|
|
+
|
|
|
+ if (primitive.mode === WEBGL_CONSTANTS.TRIANGLES ||
|
|
|
+ primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ||
|
|
|
+ primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ||
|
|
|
+ primitive.mode === undefined) {
|
|
|
+
|
|
|
+
|
|
|
+ mesh = meshDef.isSkinnedMesh === true
|
|
|
+ ? new THREE.SkinnedMesh(geometry, material)
|
|
|
+ : new THREE.Mesh(geometry, material);
|
|
|
+
|
|
|
+ if (mesh.isSkinnedMesh === true && !mesh.geometry.attributes.skinWeight.normalized) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ mesh.normalizeSkinWeights();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP) {
|
|
|
+
|
|
|
+ mesh.drawMode = THREE.TriangleStripDrawMode;
|
|
|
+
|
|
|
+ } else if (primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN) {
|
|
|
+
|
|
|
+ mesh.drawMode = THREE.TriangleFanDrawMode;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } else if (primitive.mode === WEBGL_CONSTANTS.LINES) {
|
|
|
+
|
|
|
+ mesh = new THREE.LineSegments(geometry, material);
|
|
|
+
|
|
|
+ } else if (primitive.mode === WEBGL_CONSTANTS.LINE_STRIP) {
|
|
|
+
|
|
|
+ mesh = new THREE.Line(geometry, material);
|
|
|
+
|
|
|
+ } else if (primitive.mode === WEBGL_CONSTANTS.LINE_LOOP) {
|
|
|
+
|
|
|
+ mesh = new THREE.LineLoop(geometry, material);
|
|
|
+
|
|
|
+ } else if (primitive.mode === WEBGL_CONSTANTS.POINTS) {
|
|
|
+
|
|
|
+ mesh = new THREE.Points(geometry, material);
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ throw new Error('THREE.GLTFLoader: Primitive mode unsupported: ' + primitive.mode);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (Object.keys(mesh.geometry.morphAttributes).length > 0) {
|
|
|
+
|
|
|
+ updateMorphTargets(mesh, meshDef);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ mesh.name = meshDef.name || ('mesh_' + meshIndex);
|
|
|
+
|
|
|
+ if (geometries.length > 1) mesh.name += '_' + i;
|
|
|
+
|
|
|
+ assignExtrasToUserData(mesh, meshDef);
|
|
|
+
|
|
|
+ parser.assignFinalMaterial(mesh);
|
|
|
+
|
|
|
+ meshes.push(mesh);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (meshes.length === 1) {
|
|
|
+
|
|
|
+ return meshes[0];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var group = new THREE.Group();
|
|
|
+
|
|
|
+ for (var i = 0, il = meshes.length; i < il; i++) {
|
|
|
+
|
|
|
+ group.add(meshes[i]);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return group;
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ * @param {number} cameraIndex
|
|
|
+ * @return {Promise<THREE.Camera>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadCamera = function (cameraIndex) {
|
|
|
+
|
|
|
+ var camera;
|
|
|
+ var cameraDef = this.json.cameras[cameraIndex];
|
|
|
+ var params = cameraDef[cameraDef.type];
|
|
|
+
|
|
|
+ if (!params) {
|
|
|
+
|
|
|
+ console.warn('THREE.GLTFLoader: Missing camera parameters.');
|
|
|
+ return;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (cameraDef.type === 'perspective') {
|
|
|
+
|
|
|
+ camera = new THREE.PerspectiveCamera(THREE.Math.radToDeg(params.yfov), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6);
|
|
|
+
|
|
|
+ } else if (cameraDef.type === 'orthographic') {
|
|
|
+
|
|
|
+ camera = new THREE.OrthographicCamera(params.xmag / - 2, params.xmag / 2, params.ymag / 2, params.ymag / - 2, params.znear, params.zfar);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (cameraDef.name !== undefined) camera.name = cameraDef.name;
|
|
|
+
|
|
|
+ assignExtrasToUserData(camera, cameraDef);
|
|
|
+
|
|
|
+ return Promise.resolve(camera);
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ * @param {number} skinIndex
|
|
|
+ * @return {Promise<Object>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadSkin = function (skinIndex) {
|
|
|
+
|
|
|
+ var skinDef = this.json.skins[skinIndex];
|
|
|
+
|
|
|
+ var skinEntry = { joints: skinDef.joints };
|
|
|
+
|
|
|
+ if (skinDef.inverseBindMatrices === undefined) {
|
|
|
+
|
|
|
+ return Promise.resolve(skinEntry);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return this.getDependency('accessor', skinDef.inverseBindMatrices).then(function (accessor) {
|
|
|
+
|
|
|
+ skinEntry.inverseBindMatrices = accessor;
|
|
|
+
|
|
|
+ return skinEntry;
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ * @param {number} animationIndex
|
|
|
+ * @return {Promise<THREE.AnimationClip>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadAnimation = function (animationIndex) {
|
|
|
+
|
|
|
+ var json = this.json;
|
|
|
+
|
|
|
+ var animationDef = json.animations[animationIndex];
|
|
|
+
|
|
|
+ var pendingNodes = [];
|
|
|
+ var pendingInputAccessors = [];
|
|
|
+ var pendingOutputAccessors = [];
|
|
|
+ var pendingSamplers = [];
|
|
|
+ var pendingTargets = [];
|
|
|
+
|
|
|
+ for (var i = 0, il = animationDef.channels.length; i < il; i++) {
|
|
|
+
|
|
|
+ var channel = animationDef.channels[i];
|
|
|
+ var sampler = animationDef.samplers[channel.sampler];
|
|
|
+ var target = channel.target;
|
|
|
+ var name = target.node !== undefined ? target.node : target.id;
|
|
|
+ var input = animationDef.parameters !== undefined ? animationDef.parameters[sampler.input] : sampler.input;
|
|
|
+ var output = animationDef.parameters !== undefined ? animationDef.parameters[sampler.output] : sampler.output;
|
|
|
+
|
|
|
+ pendingNodes.push(this.getDependency('node', name));
|
|
|
+ pendingInputAccessors.push(this.getDependency('accessor', input));
|
|
|
+ pendingOutputAccessors.push(this.getDependency('accessor', output));
|
|
|
+ pendingSamplers.push(sampler);
|
|
|
+ pendingTargets.push(target);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all([
|
|
|
+
|
|
|
+ Promise.all(pendingNodes),
|
|
|
+ Promise.all(pendingInputAccessors),
|
|
|
+ Promise.all(pendingOutputAccessors),
|
|
|
+ Promise.all(pendingSamplers),
|
|
|
+ Promise.all(pendingTargets)
|
|
|
+
|
|
|
+ ]).then(function (dependencies) {
|
|
|
+
|
|
|
+ var nodes = dependencies[0];
|
|
|
+ var inputAccessors = dependencies[1];
|
|
|
+ var outputAccessors = dependencies[2];
|
|
|
+ var samplers = dependencies[3];
|
|
|
+ var targets = dependencies[4];
|
|
|
+
|
|
|
+ var tracks = [];
|
|
|
+
|
|
|
+ for (var i = 0, il = nodes.length; i < il; i++) {
|
|
|
+
|
|
|
+ var node = nodes[i];
|
|
|
+ var inputAccessor = inputAccessors[i];
|
|
|
+ var outputAccessor = outputAccessors[i];
|
|
|
+ var sampler = samplers[i];
|
|
|
+ var target = targets[i];
|
|
|
+
|
|
|
+ if (node === undefined) continue;
|
|
|
+
|
|
|
+ node.updateMatrix();
|
|
|
+ node.matrixAutoUpdate = true;
|
|
|
+
|
|
|
+ var TypedKeyframeTrack;
|
|
|
+
|
|
|
+ switch (PATH_PROPERTIES[target.path]) {
|
|
|
+
|
|
|
+ case PATH_PROPERTIES.weights:
|
|
|
+
|
|
|
+ TypedKeyframeTrack = THREE.NumberKeyframeTrack;
|
|
|
+ break;
|
|
|
+
|
|
|
+ case PATH_PROPERTIES.rotation:
|
|
|
+
|
|
|
+ TypedKeyframeTrack = THREE.QuaternionKeyframeTrack;
|
|
|
+ break;
|
|
|
+
|
|
|
+ case PATH_PROPERTIES.position:
|
|
|
+ case PATH_PROPERTIES.scale:
|
|
|
+ default:
|
|
|
+
|
|
|
+ TypedKeyframeTrack = THREE.VectorKeyframeTrack;
|
|
|
+ break;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var targetName = node.name ? node.name : node.uuid;
|
|
|
+
|
|
|
+ var interpolation = sampler.interpolation !== undefined ? INTERPOLATION[sampler.interpolation] : THREE.InterpolateLinear;
|
|
|
+
|
|
|
+ var targetNames = [];
|
|
|
+
|
|
|
+ if (PATH_PROPERTIES[target.path] === PATH_PROPERTIES.weights) {
|
|
|
+
|
|
|
+
|
|
|
+ node.traverse(function (object) {
|
|
|
+
|
|
|
+ if (object.isMesh === true && object.morphTargetInfluences) {
|
|
|
+
|
|
|
+ targetNames.push(object.name ? object.name : object.uuid);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ targetNames.push(targetName);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var outputArray = outputAccessor.array;
|
|
|
+
|
|
|
+ if (outputAccessor.normalized) {
|
|
|
+
|
|
|
+ var scale;
|
|
|
+
|
|
|
+ if (outputArray.constructor === Int8Array) {
|
|
|
+
|
|
|
+ scale = 1 / 127;
|
|
|
+
|
|
|
+ } else if (outputArray.constructor === Uint8Array) {
|
|
|
+
|
|
|
+ scale = 1 / 255;
|
|
|
+
|
|
|
+ } else if (outputArray.constructor == Int16Array) {
|
|
|
+
|
|
|
+ scale = 1 / 32767;
|
|
|
+
|
|
|
+ } else if (outputArray.constructor === Uint16Array) {
|
|
|
+
|
|
|
+ scale = 1 / 65535;
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ throw new Error('THREE.GLTFLoader: Unsupported output accessor component type.');
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var scaled = new Float32Array(outputArray.length);
|
|
|
+
|
|
|
+ for (var j = 0, jl = outputArray.length; j < jl; j++) {
|
|
|
+
|
|
|
+ scaled[j] = outputArray[j] * scale;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ outputArray = scaled;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ for (var j = 0, jl = targetNames.length; j < jl; j++) {
|
|
|
+
|
|
|
+ var track = new TypedKeyframeTrack(
|
|
|
+ targetNames[j] + '.' + PATH_PROPERTIES[target.path],
|
|
|
+ inputAccessor.array,
|
|
|
+ outputArray,
|
|
|
+ interpolation
|
|
|
+ );
|
|
|
+
|
|
|
+
|
|
|
+ if (sampler.interpolation === 'CUBICSPLINE') {
|
|
|
+
|
|
|
+ track.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline(result) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ return new GLTFCubicSplineInterpolant(this.times, this.values, this.getValueSize() / 3, result);
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ track.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ tracks.push(track);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var name = animationDef.name !== undefined ? animationDef.name : 'animation_' + animationIndex;
|
|
|
+
|
|
|
+ return new THREE.AnimationClip(name, undefined, tracks);
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ * @param {number} nodeIndex
|
|
|
+ * @return {Promise<THREE.Object3D>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadNode = function (nodeIndex) {
|
|
|
+
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var parser = this;
|
|
|
+
|
|
|
+ var meshReferences = json.meshReferences;
|
|
|
+ var meshUses = json.meshUses;
|
|
|
+
|
|
|
+ var nodeDef = json.nodes[nodeIndex];
|
|
|
+
|
|
|
+ return (function () {
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ if (nodeDef.mesh !== undefined) {
|
|
|
+
|
|
|
+ pending.push(parser.getDependency('mesh', nodeDef.mesh).then(function (mesh) {
|
|
|
+
|
|
|
+ var node;
|
|
|
+
|
|
|
+ if (meshReferences[nodeDef.mesh] > 1) {
|
|
|
+
|
|
|
+ var instanceNum = meshUses[nodeDef.mesh]++;
|
|
|
+
|
|
|
+ node = mesh.clone();
|
|
|
+ node.name += '_instance_' + instanceNum;
|
|
|
+
|
|
|
+
|
|
|
+ node.onBeforeRender = mesh.onBeforeRender;
|
|
|
+
|
|
|
+ for (var i = 0, il = node.children.length; i < il; i++) {
|
|
|
+
|
|
|
+ node.children[i].name += '_instance_' + instanceNum;
|
|
|
+ node.children[i].onBeforeRender = mesh.children[i].onBeforeRender;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ node = mesh;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ if (nodeDef.weights !== undefined) {
|
|
|
+
|
|
|
+ node.traverse(function (o) {
|
|
|
+
|
|
|
+ if (!o.isMesh) return;
|
|
|
+
|
|
|
+ for (var i = 0, il = nodeDef.weights.length; i < il; i++) {
|
|
|
+
|
|
|
+ o.morphTargetInfluences[i] = nodeDef.weights[i];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return node;
|
|
|
+
|
|
|
+ }));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (nodeDef.camera !== undefined) {
|
|
|
+
|
|
|
+ pending.push(parser.getDependency('camera', nodeDef.camera));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (nodeDef.extensions
|
|
|
+ && nodeDef.extensions[EXTENSIONS.KHR_LIGHTS_PUNCTUAL]
|
|
|
+ && nodeDef.extensions[EXTENSIONS.KHR_LIGHTS_PUNCTUAL].light !== undefined) {
|
|
|
+
|
|
|
+ pending.push(parser.getDependency('light', nodeDef.extensions[EXTENSIONS.KHR_LIGHTS_PUNCTUAL].light));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all(pending);
|
|
|
+
|
|
|
+ }()).then(function (objects) {
|
|
|
+
|
|
|
+ var node;
|
|
|
+
|
|
|
+
|
|
|
+ if (nodeDef.isBone === true) {
|
|
|
+
|
|
|
+ node = new THREE.Bone();
|
|
|
+
|
|
|
+ } else if (objects.length > 1) {
|
|
|
+
|
|
|
+ node = new THREE.Group();
|
|
|
+
|
|
|
+ } else if (objects.length === 1) {
|
|
|
+
|
|
|
+ node = objects[0];
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ node = new THREE.Object3D();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (node !== objects[0]) {
|
|
|
+
|
|
|
+ for (var i = 0, il = objects.length; i < il; i++) {
|
|
|
+
|
|
|
+ node.add(objects[i]);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (nodeDef.name !== undefined) {
|
|
|
+
|
|
|
+ node.userData.name = nodeDef.name;
|
|
|
+ node.name = THREE.PropertyBinding.sanitizeNodeName(nodeDef.name);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ assignExtrasToUserData(node, nodeDef);
|
|
|
+
|
|
|
+ if (nodeDef.extensions) addUnknownExtensionsToUserData(extensions, node, nodeDef);
|
|
|
+
|
|
|
+ if (nodeDef.matrix !== undefined) {
|
|
|
+
|
|
|
+ var matrix = new THREE.Matrix4();
|
|
|
+ matrix.fromArray(nodeDef.matrix);
|
|
|
+ node.applyMatrix(matrix);
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ if (nodeDef.translation !== undefined) {
|
|
|
+
|
|
|
+ node.position.fromArray(nodeDef.translation);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (nodeDef.rotation !== undefined) {
|
|
|
+
|
|
|
+ node.quaternion.fromArray(nodeDef.rotation);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if (nodeDef.scale !== undefined) {
|
|
|
+
|
|
|
+ node.scale.fromArray(nodeDef.scale);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return node;
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ * Specification: https:
|
|
|
+ * @param {number} sceneIndex
|
|
|
+ * @return {Promise<THREE.Scene>}
|
|
|
+ */
|
|
|
+ GLTFParser.prototype.loadScene = function () {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ function buildNodeHierachy(nodeId, parentObject, json, parser) {
|
|
|
+
|
|
|
+ var nodeDef = json.nodes[nodeId];
|
|
|
+
|
|
|
+ return parser.getDependency('node', nodeId).then(function (node) {
|
|
|
+
|
|
|
+ if (nodeDef.skin === undefined) return node;
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ var skinEntry;
|
|
|
+
|
|
|
+ return parser.getDependency('skin', nodeDef.skin).then(function (skin) {
|
|
|
+
|
|
|
+ skinEntry = skin;
|
|
|
+
|
|
|
+ var pendingJoints = [];
|
|
|
+
|
|
|
+ for (var i = 0, il = skinEntry.joints.length; i < il; i++) {
|
|
|
+
|
|
|
+ pendingJoints.push(parser.getDependency('node', skinEntry.joints[i]));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all(pendingJoints);
|
|
|
+
|
|
|
+ }).then(function (jointNodes) {
|
|
|
+
|
|
|
+ node.traverse(function (mesh) {
|
|
|
+
|
|
|
+ if (!mesh.isMesh) return;
|
|
|
+
|
|
|
+ var bones = [];
|
|
|
+ var boneInverses = [];
|
|
|
+
|
|
|
+ for (var j = 0, jl = jointNodes.length; j < jl; j++) {
|
|
|
+
|
|
|
+ var jointNode = jointNodes[j];
|
|
|
+
|
|
|
+ if (jointNode) {
|
|
|
+
|
|
|
+ bones.push(jointNode);
|
|
|
+
|
|
|
+ var mat = new THREE.Matrix4();
|
|
|
+
|
|
|
+ if (skinEntry.inverseBindMatrices !== undefined) {
|
|
|
+
|
|
|
+ mat.fromArray(skinEntry.inverseBindMatrices.array, j * 16);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ boneInverses.push(mat);
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ console.warn('THREE.GLTFLoader: Joint "%s" could not be found.', skinEntry.joints[j]);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ mesh.bind(new THREE.Skeleton(bones, boneInverses), mesh.matrixWorld);
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ return node;
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ }).then(function (node) {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ parentObject.add(node);
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ if (nodeDef.children) {
|
|
|
+
|
|
|
+ var children = nodeDef.children;
|
|
|
+
|
|
|
+ for (var i = 0, il = children.length; i < il; i++) {
|
|
|
+
|
|
|
+ var child = children[i];
|
|
|
+ pending.push(buildNodeHierachy(child, node, json, parser));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all(pending);
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return function loadScene(sceneIndex) {
|
|
|
+
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var sceneDef = this.json.scenes[sceneIndex];
|
|
|
+ var parser = this;
|
|
|
+
|
|
|
+ var scene = new THREE.Scene();
|
|
|
+ if (sceneDef.name !== undefined) scene.name = sceneDef.name;
|
|
|
+
|
|
|
+ assignExtrasToUserData(scene, sceneDef);
|
|
|
+
|
|
|
+ if (sceneDef.extensions) addUnknownExtensionsToUserData(extensions, scene, sceneDef);
|
|
|
+
|
|
|
+ var nodeIds = sceneDef.nodes || [];
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ for (var i = 0, il = nodeIds.length; i < il; i++) {
|
|
|
+
|
|
|
+ pending.push(buildNodeHierachy(nodeIds[i], scene, json, parser));
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all(pending).then(function () {
|
|
|
+
|
|
|
+ return scene;
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ }();
|
|
|
+
|
|
|
+ return GLTFLoader;
|
|
|
+
|
|
|
+ })();
|
|
|
+}
|
胡佳骏
