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@@ -1,3862 +0,0 @@
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-( function () {
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-
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- class GLTFLoader extends THREE.Loader {
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-
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- constructor( manager ) {
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-
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- super( manager );
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- this.dracoLoader = null;
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- this.ktx2Loader = null;
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- this.meshoptDecoder = null;
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- this.pluginCallbacks = [];
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- this.register( function ( parser ) {
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-
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- return new GLTFMaterialsClearcoatExtension( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFTextureBasisUExtension( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFTextureWebPExtension( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFMaterialsSheenExtension( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFMaterialsTransmissionExtension( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFMaterialsVolumeExtension( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFMaterialsIorExtension( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFMaterialsEmissiveStrengthExtension( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFMaterialsSpecularExtension( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFMaterialsIridescenceExtension( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFLightsExtension( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFMeshoptCompression( parser );
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-
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- } );
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- this.register( function ( parser ) {
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-
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- return new GLTFMeshGpuInstancing( parser );
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-
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- } );
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-
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- }
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- load( url, onLoad, onProgress, onError ) {
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-
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- const scope = this;
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- let resourcePath;
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- if ( this.resourcePath !== '' ) {
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-
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- resourcePath = this.resourcePath;
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-
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- } else if ( this.path !== '' ) {
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-
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- resourcePath = this.path;
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-
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- } else {
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-
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- resourcePath = THREE.LoaderUtils.extractUrlBase( url );
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-
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- }
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-
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- // Tells the LoadingManager to track an extra item, which resolves after
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- // the model is fully loaded. This means the count of items loaded will
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- // be incorrect, but ensures manager.onLoad() does not fire early.
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- this.manager.itemStart( url );
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- const _onError = function ( e ) {
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-
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- if ( onError ) {
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-
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- onError( e );
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-
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- } else {
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-
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- console.error( e );
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-
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- }
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-
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- scope.manager.itemError( url );
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- scope.manager.itemEnd( url );
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-
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- };
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-
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- const loader = new THREE.FileLoader( this.manager );
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- loader.setPath( this.path );
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- loader.setResponseType( 'arraybuffer' );
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- loader.setRequestHeader( this.requestHeader );
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- loader.setWithCredentials( this.withCredentials );
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- loader.load( url, function ( data ) {
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-
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- try {
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-
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- scope.parse( data, resourcePath, function ( gltf ) {
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-
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- onLoad( gltf );
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- scope.manager.itemEnd( url );
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-
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- }, _onError );
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-
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- } catch ( e ) {
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-
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- _onError( e );
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-
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- }
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-
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- }, onProgress, _onError );
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-
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- }
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- setDRACOLoader( dracoLoader ) {
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-
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- this.dracoLoader = dracoLoader;
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- return this;
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-
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- }
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- setDDSLoader() {
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-
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- throw new Error( 'THREE.GLTFLoader: "MSFT_texture_dds" no longer supported. Please update to "KHR_texture_basisu".' );
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-
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- }
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- setKTX2Loader( ktx2Loader ) {
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-
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- this.ktx2Loader = ktx2Loader;
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- return this;
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-
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- }
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- setMeshoptDecoder( meshoptDecoder ) {
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-
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- this.meshoptDecoder = meshoptDecoder;
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- return this;
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-
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- }
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- register( callback ) {
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-
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- if ( this.pluginCallbacks.indexOf( callback ) === - 1 ) {
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-
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- this.pluginCallbacks.push( callback );
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-
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- }
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-
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- return this;
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-
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- }
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- unregister( callback ) {
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-
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- if ( this.pluginCallbacks.indexOf( callback ) !== - 1 ) {
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-
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- this.pluginCallbacks.splice( this.pluginCallbacks.indexOf( callback ), 1 );
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-
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- }
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-
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- return this;
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-
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- }
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- parse( data, path, onLoad, onError ) {
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-
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- let json;
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- const extensions = {};
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- const plugins = {};
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- if ( typeof data === 'string' ) {
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-
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- json = JSON.parse( data );
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-
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- } else if ( data instanceof ArrayBuffer ) {
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-
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- const magic = THREE.LoaderUtils.decodeText( new Uint8Array( data, 0, 4 ) );
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- if ( magic === BINARY_EXTENSION_HEADER_MAGIC ) {
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-
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- try {
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-
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- extensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data );
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-
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- } catch ( error ) {
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-
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- if ( onError ) onError( error );
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- return;
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-
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- }
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-
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- json = JSON.parse( extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content );
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-
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- } else {
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-
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- json = JSON.parse( THREE.LoaderUtils.decodeText( new Uint8Array( data ) ) );
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-
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- }
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-
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- } else {
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-
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- json = data;
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-
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- }
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-
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- if ( json.asset === undefined || json.asset.version[ 0 ] < 2 ) {
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-
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- if ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.' ) );
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- return;
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-
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- }
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-
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- const parser = new GLTFParser( json, {
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- path: path || this.resourcePath || '',
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- crossOrigin: this.crossOrigin,
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- requestHeader: this.requestHeader,
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- manager: this.manager,
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- ktx2Loader: this.ktx2Loader,
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- meshoptDecoder: this.meshoptDecoder
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- } );
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- parser.fileLoader.setRequestHeader( this.requestHeader );
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- for ( let i = 0; i < this.pluginCallbacks.length; i ++ ) {
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-
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- const plugin = this.pluginCallbacks[ i ]( parser );
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- plugins[ plugin.name ] = plugin;
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-
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- // Workaround to avoid determining as unknown extension
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- // in addUnknownExtensionsToUserData().
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- // Remove this workaround if we move all the existing
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- // extension handlers to plugin system
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- extensions[ plugin.name ] = true;
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-
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- }
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-
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- if ( json.extensionsUsed ) {
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-
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- for ( let i = 0; i < json.extensionsUsed.length; ++ i ) {
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-
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- const extensionName = json.extensionsUsed[ i ];
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- const extensionsRequired = json.extensionsRequired || [];
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- switch ( extensionName ) {
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-
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- case EXTENSIONS.KHR_MATERIALS_UNLIT:
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- extensions[ extensionName ] = new GLTFMaterialsUnlitExtension();
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- break;
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- case EXTENSIONS.KHR_DRACO_MESH_COMPRESSION:
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- extensions[ extensionName ] = new GLTFDracoMeshCompressionExtension( json, this.dracoLoader );
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- break;
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- case EXTENSIONS.KHR_TEXTURE_TRANSFORM:
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- extensions[ extensionName ] = new GLTFTextureTransformExtension();
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- break;
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- case EXTENSIONS.KHR_MESH_QUANTIZATION:
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- extensions[ extensionName ] = new GLTFMeshQuantizationExtension();
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- break;
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- default:
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- if ( extensionsRequired.indexOf( extensionName ) >= 0 && plugins[ extensionName ] === undefined ) {
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-
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- console.warn( 'THREE.GLTFLoader: Unknown extension "' + extensionName + '".' );
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-
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- }
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-
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- }
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-
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- }
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-
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- }
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-
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- parser.setExtensions( extensions );
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- parser.setPlugins( plugins );
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- parser.parse( onLoad, onError );
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-
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- }
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- parseAsync( data, path ) {
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-
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- const scope = this;
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- return new Promise( function ( resolve, reject ) {
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-
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- scope.parse( data, path, resolve, reject );
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-
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- } );
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-
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- }
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-
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- }
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-
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- /* GLTFREGISTRY */
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-
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- function GLTFRegistry() {
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-
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- let objects = {};
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- return {
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- get: function ( key ) {
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-
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- return objects[ key ];
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-
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- },
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- add: function ( key, object ) {
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-
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- objects[ key ] = object;
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-
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- },
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- remove: function ( key ) {
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-
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- delete objects[ key ];
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-
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- },
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- removeAll: function () {
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-
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- objects = {};
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-
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- }
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- };
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-
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- }
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-
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- /*********************************/
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- /********** EXTENSIONS ***********/
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- /*********************************/
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-
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- const EXTENSIONS = {
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- KHR_BINARY_GLTF: 'KHR_binary_glTF',
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- KHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression',
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- KHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual',
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- KHR_MATERIALS_CLEARCOAT: 'KHR_materials_clearcoat',
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- KHR_MATERIALS_IOR: 'KHR_materials_ior',
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- KHR_MATERIALS_SHEEN: 'KHR_materials_sheen',
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- KHR_MATERIALS_SPECULAR: 'KHR_materials_specular',
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- KHR_MATERIALS_TRANSMISSION: 'KHR_materials_transmission',
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- KHR_MATERIALS_IRIDESCENCE: 'KHR_materials_iridescence',
|
|
|
|
|
- KHR_MATERIALS_UNLIT: 'KHR_materials_unlit',
|
|
|
|
|
- KHR_MATERIALS_VOLUME: 'KHR_materials_volume',
|
|
|
|
|
- KHR_TEXTURE_BASISU: 'KHR_texture_basisu',
|
|
|
|
|
- KHR_TEXTURE_TRANSFORM: 'KHR_texture_transform',
|
|
|
|
|
- KHR_MESH_QUANTIZATION: 'KHR_mesh_quantization',
|
|
|
|
|
- KHR_MATERIALS_EMISSIVE_STRENGTH: 'KHR_materials_emissive_strength',
|
|
|
|
|
- EXT_TEXTURE_WEBP: 'EXT_texture_webp',
|
|
|
|
|
- EXT_MESHOPT_COMPRESSION: 'EXT_meshopt_compression',
|
|
|
|
|
- EXT_MESH_GPU_INSTANCING: 'EXT_mesh_gpu_instancing'
|
|
|
|
|
- };
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Punctual Lights Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_lights_punctual
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFLightsExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
- this.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL;
|
|
|
|
|
-
|
|
|
|
|
- // THREE.Object3D instance caches
|
|
|
|
|
- this.cache = {
|
|
|
|
|
- refs: {},
|
|
|
|
|
- uses: {}
|
|
|
|
|
- };
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- _markDefs() {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const nodeDefs = this.parser.json.nodes || [];
|
|
|
|
|
- for ( let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const nodeDef = nodeDefs[ nodeIndex ];
|
|
|
|
|
- if ( nodeDef.extensions && nodeDef.extensions[ this.name ] && nodeDef.extensions[ this.name ].light !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- parser._addNodeRef( this.cache, nodeDef.extensions[ this.name ].light );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- _loadLight( lightIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const cacheKey = 'light:' + lightIndex;
|
|
|
|
|
- let dependency = parser.cache.get( cacheKey );
|
|
|
|
|
- if ( dependency ) return dependency;
|
|
|
|
|
- const json = parser.json;
|
|
|
|
|
- const extensions = json.extensions && json.extensions[ this.name ] || {};
|
|
|
|
|
- const lightDefs = extensions.lights || [];
|
|
|
|
|
- const lightDef = lightDefs[ lightIndex ];
|
|
|
|
|
- let lightNode;
|
|
|
|
|
- const color = new THREE.Color( 0xffffff );
|
|
|
|
|
- if ( lightDef.color !== undefined ) color.fromArray( lightDef.color );
|
|
|
|
|
- const 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;
|
|
|
|
|
- assignExtrasToUserData( lightNode, lightDef );
|
|
|
|
|
- if ( lightDef.intensity !== undefined ) lightNode.intensity = lightDef.intensity;
|
|
|
|
|
- lightNode.name = parser.createUniqueName( lightDef.name || 'light_' + lightIndex );
|
|
|
|
|
- dependency = Promise.resolve( lightNode );
|
|
|
|
|
- parser.cache.add( cacheKey, dependency );
|
|
|
|
|
- return dependency;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- getDependency( type, index ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( type !== 'light' ) return;
|
|
|
|
|
- return this._loadLight( index );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- createNodeAttachment( nodeIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const self = this;
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const json = parser.json;
|
|
|
|
|
- const nodeDef = json.nodes[ nodeIndex ];
|
|
|
|
|
- const lightDef = nodeDef.extensions && nodeDef.extensions[ this.name ] || {};
|
|
|
|
|
- const lightIndex = lightDef.light;
|
|
|
|
|
- if ( lightIndex === undefined ) return null;
|
|
|
|
|
- return this._loadLight( lightIndex ).then( function ( light ) {
|
|
|
|
|
-
|
|
|
|
|
- return parser._getNodeRef( self.cache, lightIndex, light );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Unlit Materials Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_unlit
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMaterialsUnlitExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor() {
|
|
|
|
|
-
|
|
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_UNLIT;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- getMaterialType() {
|
|
|
|
|
-
|
|
|
|
|
- return THREE.MeshBasicMaterial;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- extendParams( materialParams, materialDef, parser ) {
|
|
|
|
|
-
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- materialParams.color = new THREE.Color( 1.0, 1.0, 1.0 );
|
|
|
|
|
- materialParams.opacity = 1.0;
|
|
|
|
|
- const metallicRoughness = materialDef.pbrMetallicRoughness;
|
|
|
|
|
- if ( metallicRoughness ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( Array.isArray( metallicRoughness.baseColorFactor ) ) {
|
|
|
|
|
-
|
|
|
|
|
- const array = metallicRoughness.baseColorFactor;
|
|
|
|
|
- materialParams.color.fromArray( array );
|
|
|
|
|
- materialParams.opacity = array[ 3 ];
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( metallicRoughness.baseColorTexture !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture, THREE.sRGBEncoding ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Promise.all( pending );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Materials Emissive Strength Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/5768b3ce0ef32bc39cdf1bef10b948586635ead3/extensions/2.0/Khronos/KHR_materials_emissive_strength/README.md
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMaterialsEmissiveStrengthExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_EMISSIVE_STRENGTH;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- extendMaterialParams( materialIndex, materialParams ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
|
|
-
|
|
|
|
|
- return Promise.resolve();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const emissiveStrength = materialDef.extensions[ this.name ].emissiveStrength;
|
|
|
|
|
- if ( emissiveStrength !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- materialParams.emissiveIntensity = emissiveStrength;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Promise.resolve();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Clearcoat Materials Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_clearcoat
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMaterialsClearcoatExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_CLEARCOAT;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- getMaterialType( materialIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;
|
|
|
|
|
- return THREE.MeshPhysicalMaterial;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- extendMaterialParams( materialIndex, materialParams ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
|
|
-
|
|
|
|
|
- return Promise.resolve();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- const 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 ) {
|
|
|
|
|
-
|
|
|
|
|
- const scale = extension.clearcoatNormalTexture.scale;
|
|
|
|
|
- materialParams.clearcoatNormalScale = new THREE.Vector2( scale, scale );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Promise.all( pending );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Iridescence Materials Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_iridescence
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMaterialsIridescenceExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_IRIDESCENCE;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- getMaterialType( materialIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;
|
|
|
|
|
- return THREE.MeshPhysicalMaterial;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- extendMaterialParams( materialIndex, materialParams ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
|
|
-
|
|
|
|
|
- return Promise.resolve();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- const extension = materialDef.extensions[ this.name ];
|
|
|
|
|
- if ( extension.iridescenceFactor !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- materialParams.iridescence = extension.iridescenceFactor;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( extension.iridescenceTexture !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( parser.assignTexture( materialParams, 'iridescenceMap', extension.iridescenceTexture ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( extension.iridescenceIor !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- materialParams.iridescenceIOR = extension.iridescenceIor;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( materialParams.iridescenceThicknessRange === undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- materialParams.iridescenceThicknessRange = [ 100, 400 ];
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( extension.iridescenceThicknessMinimum !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- materialParams.iridescenceThicknessRange[ 0 ] = extension.iridescenceThicknessMinimum;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( extension.iridescenceThicknessMaximum !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- materialParams.iridescenceThicknessRange[ 1 ] = extension.iridescenceThicknessMaximum;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( extension.iridescenceThicknessTexture !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( parser.assignTexture( materialParams, 'iridescenceThicknessMap', extension.iridescenceThicknessTexture ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Promise.all( pending );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Sheen Materials Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_materials_sheen
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMaterialsSheenExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_SHEEN;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- getMaterialType( materialIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;
|
|
|
|
|
- return THREE.MeshPhysicalMaterial;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- extendMaterialParams( materialIndex, materialParams ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
|
|
-
|
|
|
|
|
- return Promise.resolve();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- materialParams.sheenColor = new THREE.Color( 0, 0, 0 );
|
|
|
|
|
- materialParams.sheenRoughness = 0;
|
|
|
|
|
- materialParams.sheen = 1;
|
|
|
|
|
- const extension = materialDef.extensions[ this.name ];
|
|
|
|
|
- if ( extension.sheenColorFactor !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- materialParams.sheenColor.fromArray( extension.sheenColorFactor );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( extension.sheenRoughnessFactor !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- materialParams.sheenRoughness = extension.sheenRoughnessFactor;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( extension.sheenColorTexture !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( parser.assignTexture( materialParams, 'sheenColorMap', extension.sheenColorTexture, THREE.sRGBEncoding ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( extension.sheenRoughnessTexture !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( parser.assignTexture( materialParams, 'sheenRoughnessMap', extension.sheenRoughnessTexture ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- 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
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMaterialsTransmissionExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_TRANSMISSION;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- getMaterialType( materialIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;
|
|
|
|
|
- return THREE.MeshPhysicalMaterial;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- extendMaterialParams( materialIndex, materialParams ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
|
|
-
|
|
|
|
|
- return Promise.resolve();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- const 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 );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Materials Volume Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_volume
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMaterialsVolumeExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_VOLUME;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- getMaterialType( materialIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;
|
|
|
|
|
- return THREE.MeshPhysicalMaterial;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- extendMaterialParams( materialIndex, materialParams ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
|
|
-
|
|
|
|
|
- return Promise.resolve();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- const extension = materialDef.extensions[ this.name ];
|
|
|
|
|
- materialParams.thickness = extension.thicknessFactor !== undefined ? extension.thicknessFactor : 0;
|
|
|
|
|
- if ( extension.thicknessTexture !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( parser.assignTexture( materialParams, 'thicknessMap', extension.thicknessTexture ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- materialParams.attenuationDistance = extension.attenuationDistance || Infinity;
|
|
|
|
|
- const colorArray = extension.attenuationColor || [ 1, 1, 1 ];
|
|
|
|
|
- materialParams.attenuationColor = new THREE.Color( colorArray[ 0 ], colorArray[ 1 ], colorArray[ 2 ] );
|
|
|
|
|
- return Promise.all( pending );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Materials ior Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_ior
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMaterialsIorExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_IOR;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- getMaterialType( materialIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;
|
|
|
|
|
- return THREE.MeshPhysicalMaterial;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- extendMaterialParams( materialIndex, materialParams ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
|
|
-
|
|
|
|
|
- return Promise.resolve();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const extension = materialDef.extensions[ this.name ];
|
|
|
|
|
- materialParams.ior = extension.ior !== undefined ? extension.ior : 1.5;
|
|
|
|
|
- return Promise.resolve();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Materials specular Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_specular
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMaterialsSpecularExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_SPECULAR;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- getMaterialType( materialIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;
|
|
|
|
|
- return THREE.MeshPhysicalMaterial;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- extendMaterialParams( materialIndex, materialParams ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
|
|
-
|
|
|
|
|
- return Promise.resolve();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- const extension = materialDef.extensions[ this.name ];
|
|
|
|
|
- materialParams.specularIntensity = extension.specularFactor !== undefined ? extension.specularFactor : 1.0;
|
|
|
|
|
- if ( extension.specularTexture !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( parser.assignTexture( materialParams, 'specularIntensityMap', extension.specularTexture ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const colorArray = extension.specularColorFactor || [ 1, 1, 1 ];
|
|
|
|
|
- materialParams.specularColor = new THREE.Color( colorArray[ 0 ], colorArray[ 1 ], colorArray[ 2 ] );
|
|
|
|
|
- if ( extension.specularColorTexture !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( parser.assignTexture( materialParams, 'specularColorMap', extension.specularColorTexture, THREE.sRGBEncoding ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Promise.all( pending );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * BasisU THREE.Texture Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_basisu
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFTextureBasisUExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
- this.name = EXTENSIONS.KHR_TEXTURE_BASISU;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- loadTexture( textureIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const json = parser.json;
|
|
|
|
|
- const textureDef = json.textures[ textureIndex ];
|
|
|
|
|
- if ( ! textureDef.extensions || ! textureDef.extensions[ this.name ] ) {
|
|
|
|
|
-
|
|
|
|
|
- return null;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const extension = textureDef.extensions[ this.name ];
|
|
|
|
|
- const loader = parser.options.ktx2Loader;
|
|
|
|
|
- if ( ! loader ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( json.extensionsRequired && json.extensionsRequired.indexOf( this.name ) >= 0 ) {
|
|
|
|
|
-
|
|
|
|
|
- throw new Error( 'THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures' );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- // Assumes that the extension is optional and that a fallback texture is present
|
|
|
|
|
- return null;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return parser.loadTextureImage( textureIndex, extension.source, loader );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * WebP THREE.Texture Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_texture_webp
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFTextureWebPExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
- this.name = EXTENSIONS.EXT_TEXTURE_WEBP;
|
|
|
|
|
- this.isSupported = null;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- loadTexture( textureIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const name = this.name;
|
|
|
|
|
- const parser = this.parser;
|
|
|
|
|
- const json = parser.json;
|
|
|
|
|
- const textureDef = json.textures[ textureIndex ];
|
|
|
|
|
- if ( ! textureDef.extensions || ! textureDef.extensions[ name ] ) {
|
|
|
|
|
-
|
|
|
|
|
- return null;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const extension = textureDef.extensions[ name ];
|
|
|
|
|
- const source = json.images[ extension.source ];
|
|
|
|
|
- let loader = parser.textureLoader;
|
|
|
|
|
- if ( source.uri ) {
|
|
|
|
|
-
|
|
|
|
|
- const handler = parser.options.manager.getHandler( source.uri );
|
|
|
|
|
- if ( handler !== null ) loader = handler;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return this.detectSupport().then( function ( isSupported ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( isSupported ) return parser.loadTextureImage( textureIndex, extension.source, loader );
|
|
|
|
|
- if ( json.extensionsRequired && json.extensionsRequired.indexOf( name ) >= 0 ) {
|
|
|
|
|
-
|
|
|
|
|
- throw new Error( 'THREE.GLTFLoader: WebP required by asset but unsupported.' );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // Fall back to PNG or JPEG.
|
|
|
|
|
- return parser.loadTexture( textureIndex );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- detectSupport() {
|
|
|
|
|
-
|
|
|
|
|
- if ( ! this.isSupported ) {
|
|
|
|
|
-
|
|
|
|
|
- this.isSupported = new Promise( function ( resolve ) {
|
|
|
|
|
-
|
|
|
|
|
- const image = new Image();
|
|
|
|
|
-
|
|
|
|
|
- // Lossy test image. Support for lossy images doesn't guarantee support for all
|
|
|
|
|
- // WebP images, unfortunately.
|
|
|
|
|
- image.src = 'data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA';
|
|
|
|
|
- image.onload = image.onerror = function () {
|
|
|
|
|
-
|
|
|
|
|
- resolve( image.height === 1 );
|
|
|
|
|
-
|
|
|
|
|
- };
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return this.isSupported;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * meshopt BufferView Compression Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_meshopt_compression
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMeshoptCompression {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.name = EXTENSIONS.EXT_MESHOPT_COMPRESSION;
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- loadBufferView( index ) {
|
|
|
|
|
-
|
|
|
|
|
- const json = this.parser.json;
|
|
|
|
|
- const bufferView = json.bufferViews[ index ];
|
|
|
|
|
- if ( bufferView.extensions && bufferView.extensions[ this.name ] ) {
|
|
|
|
|
-
|
|
|
|
|
- const extensionDef = bufferView.extensions[ this.name ];
|
|
|
|
|
- const buffer = this.parser.getDependency( 'buffer', extensionDef.buffer );
|
|
|
|
|
- const decoder = this.parser.options.meshoptDecoder;
|
|
|
|
|
- if ( ! decoder || ! decoder.supported ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( json.extensionsRequired && json.extensionsRequired.indexOf( this.name ) >= 0 ) {
|
|
|
|
|
-
|
|
|
|
|
- throw new Error( 'THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files' );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- // Assumes that the extension is optional and that fallback buffer data is present
|
|
|
|
|
- return null;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return buffer.then( function ( res ) {
|
|
|
|
|
-
|
|
|
|
|
- const byteOffset = extensionDef.byteOffset || 0;
|
|
|
|
|
- const byteLength = extensionDef.byteLength || 0;
|
|
|
|
|
- const count = extensionDef.count;
|
|
|
|
|
- const stride = extensionDef.byteStride;
|
|
|
|
|
- const source = new Uint8Array( res, byteOffset, byteLength );
|
|
|
|
|
- if ( decoder.decodeGltfBufferAsync ) {
|
|
|
|
|
-
|
|
|
|
|
- return decoder.decodeGltfBufferAsync( count, stride, source, extensionDef.mode, extensionDef.filter ).then( function ( res ) {
|
|
|
|
|
-
|
|
|
|
|
- return res.buffer;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- // Support for MeshoptDecoder 0.18 or earlier, without decodeGltfBufferAsync
|
|
|
|
|
- return decoder.ready.then( function () {
|
|
|
|
|
-
|
|
|
|
|
- const result = new ArrayBuffer( count * stride );
|
|
|
|
|
- decoder.decodeGltfBuffer( new Uint8Array( result ), count, stride, source, extensionDef.mode, extensionDef.filter );
|
|
|
|
|
- return result;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- return null;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * GPU Instancing Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_mesh_gpu_instancing
|
|
|
|
|
- *
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMeshGpuInstancing {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parser ) {
|
|
|
|
|
-
|
|
|
|
|
- this.name = EXTENSIONS.EXT_MESH_GPU_INSTANCING;
|
|
|
|
|
- this.parser = parser;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- createNodeMesh( nodeIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const json = this.parser.json;
|
|
|
|
|
- const nodeDef = json.nodes[ nodeIndex ];
|
|
|
|
|
- if ( ! nodeDef.extensions || ! nodeDef.extensions[ this.name ] || nodeDef.mesh === undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- return null;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const meshDef = json.meshes[ nodeDef.mesh ];
|
|
|
|
|
-
|
|
|
|
|
- // No THREE.Points or Lines + Instancing support yet
|
|
|
|
|
-
|
|
|
|
|
- for ( const primitive of meshDef.primitives ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( primitive.mode !== WEBGL_CONSTANTS.TRIANGLES && primitive.mode !== WEBGL_CONSTANTS.TRIANGLE_STRIP && primitive.mode !== WEBGL_CONSTANTS.TRIANGLE_FAN && primitive.mode !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- return null;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const extensionDef = nodeDef.extensions[ this.name ];
|
|
|
|
|
- const attributesDef = extensionDef.attributes;
|
|
|
|
|
-
|
|
|
|
|
- // @TODO: Can we support THREE.InstancedMesh + THREE.SkinnedMesh?
|
|
|
|
|
-
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- const attributes = {};
|
|
|
|
|
- for ( const key in attributesDef ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( this.parser.getDependency( 'accessor', attributesDef[ key ] ).then( accessor => {
|
|
|
|
|
-
|
|
|
|
|
- attributes[ key ] = accessor;
|
|
|
|
|
- return attributes[ key ];
|
|
|
|
|
-
|
|
|
|
|
- } ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( pending.length < 1 ) {
|
|
|
|
|
-
|
|
|
|
|
- return null;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- pending.push( this.parser.createNodeMesh( nodeIndex ) );
|
|
|
|
|
- return Promise.all( pending ).then( results => {
|
|
|
|
|
-
|
|
|
|
|
- const nodeObject = results.pop();
|
|
|
|
|
- const meshes = nodeObject.isGroup ? nodeObject.children : [ nodeObject ];
|
|
|
|
|
- const count = results[ 0 ].count; // All attribute counts should be same
|
|
|
|
|
- const instancedMeshes = [];
|
|
|
|
|
- for ( const mesh of meshes ) {
|
|
|
|
|
-
|
|
|
|
|
- // Temporal variables
|
|
|
|
|
- const m = new THREE.Matrix4();
|
|
|
|
|
- const p = new THREE.Vector3();
|
|
|
|
|
- const q = new THREE.Quaternion();
|
|
|
|
|
- const s = new THREE.Vector3( 1, 1, 1 );
|
|
|
|
|
- const instancedMesh = new THREE.InstancedMesh( mesh.geometry, mesh.material, count );
|
|
|
|
|
- for ( let i = 0; i < count; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( attributes.TRANSLATION ) {
|
|
|
|
|
-
|
|
|
|
|
- p.fromBufferAttribute( attributes.TRANSLATION, i );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( attributes.ROTATION ) {
|
|
|
|
|
-
|
|
|
|
|
- q.fromBufferAttribute( attributes.ROTATION, i );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( attributes.SCALE ) {
|
|
|
|
|
-
|
|
|
|
|
- s.fromBufferAttribute( attributes.SCALE, i );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- instancedMesh.setMatrixAt( i, m.compose( p, q, s ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // Add instance attributes to the geometry, excluding TRS.
|
|
|
|
|
- for ( const attributeName in attributes ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( attributeName !== 'TRANSLATION' && attributeName !== 'ROTATION' && attributeName !== 'SCALE' ) {
|
|
|
|
|
-
|
|
|
|
|
- mesh.geometry.setAttribute( attributeName, attributes[ attributeName ] );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // Just in case
|
|
|
|
|
- THREE.Object3D.prototype.copy.call( instancedMesh, mesh );
|
|
|
|
|
-
|
|
|
|
|
- // https://github.com/mrdoob/three.js/issues/18334
|
|
|
|
|
- instancedMesh.frustumCulled = false;
|
|
|
|
|
- this.parser.assignFinalMaterial( instancedMesh );
|
|
|
|
|
- instancedMeshes.push( instancedMesh );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( nodeObject.isGroup ) {
|
|
|
|
|
-
|
|
|
|
|
- nodeObject.clear();
|
|
|
|
|
- nodeObject.add( ...instancedMeshes );
|
|
|
|
|
- return nodeObject;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return instancedMeshes[ 0 ];
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /* BINARY EXTENSION */
|
|
|
|
|
- const BINARY_EXTENSION_HEADER_MAGIC = 'glTF';
|
|
|
|
|
- const BINARY_EXTENSION_HEADER_LENGTH = 12;
|
|
|
|
|
- const BINARY_EXTENSION_CHUNK_TYPES = {
|
|
|
|
|
- JSON: 0x4E4F534A,
|
|
|
|
|
- BIN: 0x004E4942
|
|
|
|
|
- };
|
|
|
|
|
- class GLTFBinaryExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( data ) {
|
|
|
|
|
-
|
|
|
|
|
- this.name = EXTENSIONS.KHR_BINARY_GLTF;
|
|
|
|
|
- this.content = null;
|
|
|
|
|
- this.body = null;
|
|
|
|
|
- const 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.' );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const chunkContentsLength = this.header.length - BINARY_EXTENSION_HEADER_LENGTH;
|
|
|
|
|
- const chunkView = new DataView( data, BINARY_EXTENSION_HEADER_LENGTH );
|
|
|
|
|
- let chunkIndex = 0;
|
|
|
|
|
- while ( chunkIndex < chunkContentsLength ) {
|
|
|
|
|
-
|
|
|
|
|
- const chunkLength = chunkView.getUint32( chunkIndex, true );
|
|
|
|
|
- chunkIndex += 4;
|
|
|
|
|
- const chunkType = chunkView.getUint32( chunkIndex, true );
|
|
|
|
|
- chunkIndex += 4;
|
|
|
|
|
- if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON ) {
|
|
|
|
|
-
|
|
|
|
|
- const contentArray = new Uint8Array( data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength );
|
|
|
|
|
- this.content = THREE.LoaderUtils.decodeText( contentArray );
|
|
|
|
|
-
|
|
|
|
|
- } else if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN ) {
|
|
|
|
|
-
|
|
|
|
|
- const 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 THREE.Mesh Compression Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFDracoMeshCompressionExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor( 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();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- decodePrimitive( primitive, parser ) {
|
|
|
|
|
-
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const dracoLoader = this.dracoLoader;
|
|
|
|
|
- const bufferViewIndex = primitive.extensions[ this.name ].bufferView;
|
|
|
|
|
- const gltfAttributeMap = primitive.extensions[ this.name ].attributes;
|
|
|
|
|
- const threeAttributeMap = {};
|
|
|
|
|
- const attributeNormalizedMap = {};
|
|
|
|
|
- const attributeTypeMap = {};
|
|
|
|
|
- for ( const attributeName in gltfAttributeMap ) {
|
|
|
|
|
-
|
|
|
|
|
- const threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();
|
|
|
|
|
- threeAttributeMap[ threeAttributeName ] = gltfAttributeMap[ attributeName ];
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- for ( const attributeName in primitive.attributes ) {
|
|
|
|
|
-
|
|
|
|
|
- const threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();
|
|
|
|
|
- if ( gltfAttributeMap[ attributeName ] !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- const accessorDef = json.accessors[ primitive.attributes[ attributeName ] ];
|
|
|
|
|
- const componentType = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];
|
|
|
|
|
- attributeTypeMap[ threeAttributeName ] = componentType.name;
|
|
|
|
|
- attributeNormalizedMap[ threeAttributeName ] = accessorDef.normalized === true;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return parser.getDependency( 'bufferView', bufferViewIndex ).then( function ( bufferView ) {
|
|
|
|
|
-
|
|
|
|
|
- return new Promise( function ( resolve ) {
|
|
|
|
|
-
|
|
|
|
|
- dracoLoader.decodeDracoFile( bufferView, function ( geometry ) {
|
|
|
|
|
-
|
|
|
|
|
- for ( const attributeName in geometry.attributes ) {
|
|
|
|
|
-
|
|
|
|
|
- const attribute = geometry.attributes[ attributeName ];
|
|
|
|
|
- const normalized = attributeNormalizedMap[ attributeName ];
|
|
|
|
|
- if ( normalized !== undefined ) attribute.normalized = normalized;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- resolve( geometry );
|
|
|
|
|
-
|
|
|
|
|
- }, threeAttributeMap, attributeTypeMap );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * THREE.Texture Transform Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_transform
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFTextureTransformExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor() {
|
|
|
|
|
-
|
|
|
|
|
- this.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- extendTexture( texture, transform ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( transform.texCoord !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- console.warn( 'THREE.GLTFLoader: Custom UV sets in "' + this.name + '" extension not yet supported.' );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( transform.offset === undefined && transform.rotation === undefined && transform.scale === undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- // See https://github.com/mrdoob/three.js/issues/21819.
|
|
|
|
|
- return texture;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- 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 );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- texture.needsUpdate = true;
|
|
|
|
|
- return texture;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * THREE.Mesh Quantization Extension
|
|
|
|
|
- *
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization
|
|
|
|
|
- */
|
|
|
|
|
- class GLTFMeshQuantizationExtension {
|
|
|
|
|
-
|
|
|
|
|
- constructor() {
|
|
|
|
|
-
|
|
|
|
|
- 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
|
|
|
|
|
- class GLTFCubicSplineInterpolant extends THREE.Interpolant {
|
|
|
|
|
-
|
|
|
|
|
- constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {
|
|
|
|
|
-
|
|
|
|
|
- super( parameterPositions, sampleValues, sampleSize, resultBuffer );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- copySampleValue_( index ) {
|
|
|
|
|
-
|
|
|
|
|
- // Copies a sample value to the result buffer. See description of glTF
|
|
|
|
|
- // CUBICSPLINE values layout in interpolate_() function below.
|
|
|
|
|
-
|
|
|
|
|
- const result = this.resultBuffer,
|
|
|
|
|
- values = this.sampleValues,
|
|
|
|
|
- valueSize = this.valueSize,
|
|
|
|
|
- offset = index * valueSize * 3 + valueSize;
|
|
|
|
|
- for ( let i = 0; i !== valueSize; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- result[ i ] = values[ offset + i ];
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return result;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- interpolate_( i1, t0, t, t1 ) {
|
|
|
|
|
-
|
|
|
|
|
- const result = this.resultBuffer;
|
|
|
|
|
- const values = this.sampleValues;
|
|
|
|
|
- const stride = this.valueSize;
|
|
|
|
|
- const stride2 = stride * 2;
|
|
|
|
|
- const stride3 = stride * 3;
|
|
|
|
|
- const td = t1 - t0;
|
|
|
|
|
- const p = ( t - t0 ) / td;
|
|
|
|
|
- const pp = p * p;
|
|
|
|
|
- const ppp = pp * p;
|
|
|
|
|
- const offset1 = i1 * stride3;
|
|
|
|
|
- const offset0 = offset1 - stride3;
|
|
|
|
|
- const s2 = - 2 * ppp + 3 * pp;
|
|
|
|
|
- const s3 = ppp - pp;
|
|
|
|
|
- const s0 = 1 - s2;
|
|
|
|
|
- const s1 = s3 - pp + p;
|
|
|
|
|
-
|
|
|
|
|
- // Layout of keyframe output values for CUBICSPLINE animations:
|
|
|
|
|
- // [ inTangent_1, splineVertex_1, outTangent_1, inTangent_2, splineVertex_2, ... ]
|
|
|
|
|
- for ( let i = 0; i !== stride; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const p0 = values[ offset0 + i + stride ]; // splineVertex_k
|
|
|
|
|
- const m0 = values[ offset0 + i + stride2 ] * td; // outTangent_k * (t_k+1 - t_k)
|
|
|
|
|
- const p1 = values[ offset1 + i + stride ]; // splineVertex_k+1
|
|
|
|
|
- const 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;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- const _q = new THREE.Quaternion();
|
|
|
|
|
- class GLTFCubicSplineQuaternionInterpolant extends GLTFCubicSplineInterpolant {
|
|
|
|
|
-
|
|
|
|
|
- interpolate_( i1, t0, t, t1 ) {
|
|
|
|
|
-
|
|
|
|
|
- const result = super.interpolate_( i1, t0, t, t1 );
|
|
|
|
|
- _q.fromArray( result ).normalize().toArray( result );
|
|
|
|
|
- return result;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /*********************************/
|
|
|
|
|
- /********** INTERNALS ************/
|
|
|
|
|
- /*********************************/
|
|
|
|
|
-
|
|
|
|
|
- /* CONSTANTS */
|
|
|
|
|
-
|
|
|
|
|
- const 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
|
|
|
|
|
- };
|
|
|
|
|
- const WEBGL_COMPONENT_TYPES = {
|
|
|
|
|
- 5120: Int8Array,
|
|
|
|
|
- 5121: Uint8Array,
|
|
|
|
|
- 5122: Int16Array,
|
|
|
|
|
- 5123: Uint16Array,
|
|
|
|
|
- 5125: Uint32Array,
|
|
|
|
|
- 5126: Float32Array
|
|
|
|
|
- };
|
|
|
|
|
- const WEBGL_FILTERS = {
|
|
|
|
|
- 9728: THREE.NearestFilter,
|
|
|
|
|
- 9729: THREE.LinearFilter,
|
|
|
|
|
- 9984: THREE.NearestMipmapNearestFilter,
|
|
|
|
|
- 9985: THREE.LinearMipmapNearestFilter,
|
|
|
|
|
- 9986: THREE.NearestMipmapLinearFilter,
|
|
|
|
|
- 9987: THREE.LinearMipmapLinearFilter
|
|
|
|
|
- };
|
|
|
|
|
- const WEBGL_WRAPPINGS = {
|
|
|
|
|
- 33071: THREE.ClampToEdgeWrapping,
|
|
|
|
|
- 33648: THREE.MirroredRepeatWrapping,
|
|
|
|
|
- 10497: THREE.RepeatWrapping
|
|
|
|
|
- };
|
|
|
|
|
- const WEBGL_TYPE_SIZES = {
|
|
|
|
|
- 'SCALAR': 1,
|
|
|
|
|
- 'VEC2': 2,
|
|
|
|
|
- 'VEC3': 3,
|
|
|
|
|
- 'VEC4': 4,
|
|
|
|
|
- 'MAT2': 4,
|
|
|
|
|
- 'MAT3': 9,
|
|
|
|
|
- 'MAT4': 16
|
|
|
|
|
- };
|
|
|
|
|
- const ATTRIBUTES = {
|
|
|
|
|
- POSITION: 'position',
|
|
|
|
|
- NORMAL: 'normal',
|
|
|
|
|
- TANGENT: 'tangent',
|
|
|
|
|
- TEXCOORD_0: 'uv',
|
|
|
|
|
- TEXCOORD_1: 'uv2',
|
|
|
|
|
- COLOR_0: 'color',
|
|
|
|
|
- WEIGHTS_0: 'skinWeight',
|
|
|
|
|
- JOINTS_0: 'skinIndex'
|
|
|
|
|
- };
|
|
|
|
|
- const PATH_PROPERTIES = {
|
|
|
|
|
- scale: 'scale',
|
|
|
|
|
- translation: 'position',
|
|
|
|
|
- rotation: 'quaternion',
|
|
|
|
|
- weights: 'morphTargetInfluences'
|
|
|
|
|
- };
|
|
|
|
|
- const 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
|
|
|
|
|
- };
|
|
|
|
|
- const ALPHA_MODES = {
|
|
|
|
|
- OPAQUE: 'OPAQUE',
|
|
|
|
|
- MASK: 'MASK',
|
|
|
|
|
- BLEND: 'BLEND'
|
|
|
|
|
- };
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * 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 ( const name in objectDef.extensions ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( knownExtensions[ name ] === undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- object.userData.gltfExtensions = object.userData.gltfExtensions || {};
|
|
|
|
|
- object.userData.gltfExtensions[ name ] = objectDef.extensions[ name ];
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * @param {Object3D|Material|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 {BufferGeometry} geometry
|
|
|
|
|
- * @param {Array<GLTF.Target>} targets
|
|
|
|
|
- * @param {GLTFParser} parser
|
|
|
|
|
- * @return {Promise<BufferGeometry>}
|
|
|
|
|
- */
|
|
|
|
|
- function addMorphTargets( geometry, targets, parser ) {
|
|
|
|
|
-
|
|
|
|
|
- let hasMorphPosition = false;
|
|
|
|
|
- let hasMorphNormal = false;
|
|
|
|
|
- let hasMorphColor = false;
|
|
|
|
|
- for ( let i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const target = targets[ i ];
|
|
|
|
|
- if ( target.POSITION !== undefined ) hasMorphPosition = true;
|
|
|
|
|
- if ( target.NORMAL !== undefined ) hasMorphNormal = true;
|
|
|
|
|
- if ( target.COLOR_0 !== undefined ) hasMorphColor = true;
|
|
|
|
|
- if ( hasMorphPosition && hasMorphNormal && hasMorphColor ) break;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( ! hasMorphPosition && ! hasMorphNormal && ! hasMorphColor ) return Promise.resolve( geometry );
|
|
|
|
|
- const pendingPositionAccessors = [];
|
|
|
|
|
- const pendingNormalAccessors = [];
|
|
|
|
|
- const pendingColorAccessors = [];
|
|
|
|
|
- for ( let i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const target = targets[ i ];
|
|
|
|
|
- if ( hasMorphPosition ) {
|
|
|
|
|
-
|
|
|
|
|
- const pendingAccessor = target.POSITION !== undefined ? parser.getDependency( 'accessor', target.POSITION ) : geometry.attributes.position;
|
|
|
|
|
- pendingPositionAccessors.push( pendingAccessor );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( hasMorphNormal ) {
|
|
|
|
|
-
|
|
|
|
|
- const pendingAccessor = target.NORMAL !== undefined ? parser.getDependency( 'accessor', target.NORMAL ) : geometry.attributes.normal;
|
|
|
|
|
- pendingNormalAccessors.push( pendingAccessor );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( hasMorphColor ) {
|
|
|
|
|
-
|
|
|
|
|
- const pendingAccessor = target.COLOR_0 !== undefined ? parser.getDependency( 'accessor', target.COLOR_0 ) : geometry.attributes.color;
|
|
|
|
|
- pendingColorAccessors.push( pendingAccessor );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Promise.all( [ Promise.all( pendingPositionAccessors ), Promise.all( pendingNormalAccessors ), Promise.all( pendingColorAccessors ) ] ).then( function ( accessors ) {
|
|
|
|
|
-
|
|
|
|
|
- const morphPositions = accessors[ 0 ];
|
|
|
|
|
- const morphNormals = accessors[ 1 ];
|
|
|
|
|
- const morphColors = accessors[ 2 ];
|
|
|
|
|
- if ( hasMorphPosition ) geometry.morphAttributes.position = morphPositions;
|
|
|
|
|
- if ( hasMorphNormal ) geometry.morphAttributes.normal = morphNormals;
|
|
|
|
|
- if ( hasMorphColor ) geometry.morphAttributes.color = morphColors;
|
|
|
|
|
- geometry.morphTargetsRelative = true;
|
|
|
|
|
- return geometry;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * @param {Mesh} mesh
|
|
|
|
|
- * @param {GLTF.Mesh} meshDef
|
|
|
|
|
- */
|
|
|
|
|
- function updateMorphTargets( mesh, meshDef ) {
|
|
|
|
|
-
|
|
|
|
|
- mesh.updateMorphTargets();
|
|
|
|
|
- if ( meshDef.weights !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- for ( let 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 ) ) {
|
|
|
|
|
-
|
|
|
|
|
- const targetNames = meshDef.extras.targetNames;
|
|
|
|
|
- if ( mesh.morphTargetInfluences.length === targetNames.length ) {
|
|
|
|
|
-
|
|
|
|
|
- mesh.morphTargetDictionary = {};
|
|
|
|
|
- for ( let 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 ) {
|
|
|
|
|
-
|
|
|
|
|
- const dracoExtension = primitiveDef.extensions && primitiveDef.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ];
|
|
|
|
|
- let 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 ) {
|
|
|
|
|
-
|
|
|
|
|
- let attributesKey = '';
|
|
|
|
|
- const keys = Object.keys( attributes ).sort();
|
|
|
|
|
- for ( let i = 0, il = keys.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- attributesKey += keys[ i ] + ':' + attributes[ keys[ i ] ] + ';';
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return attributesKey;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function getNormalizedComponentScale( constructor ) {
|
|
|
|
|
-
|
|
|
|
|
- // Reference:
|
|
|
|
|
- // https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization#encoding-quantized-data
|
|
|
|
|
-
|
|
|
|
|
- switch ( constructor ) {
|
|
|
|
|
-
|
|
|
|
|
- case Int8Array:
|
|
|
|
|
- return 1 / 127;
|
|
|
|
|
- case Uint8Array:
|
|
|
|
|
- return 1 / 255;
|
|
|
|
|
- case Int16Array:
|
|
|
|
|
- return 1 / 32767;
|
|
|
|
|
- case Uint16Array:
|
|
|
|
|
- return 1 / 65535;
|
|
|
|
|
- default:
|
|
|
|
|
- throw new Error( 'THREE.GLTFLoader: Unsupported normalized accessor component type.' );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function getImageURIMimeType( uri ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( uri.search( /\.jpe?g($|\?)/i ) > 0 || uri.search( /^data\:image\/jpeg/ ) === 0 ) return 'image/jpeg';
|
|
|
|
|
- if ( uri.search( /\.webp($|\?)/i ) > 0 || uri.search( /^data\:image\/webp/ ) === 0 ) return 'image/webp';
|
|
|
|
|
- return 'image/png';
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /* GLTF PARSER */
|
|
|
|
|
-
|
|
|
|
|
- class GLTFParser {
|
|
|
|
|
-
|
|
|
|
|
- constructor( 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();
|
|
|
|
|
-
|
|
|
|
|
- // THREE.BufferGeometry caching
|
|
|
|
|
- this.primitiveCache = {};
|
|
|
|
|
-
|
|
|
|
|
- // THREE.Object3D instance caches
|
|
|
|
|
- this.meshCache = {
|
|
|
|
|
- refs: {},
|
|
|
|
|
- uses: {}
|
|
|
|
|
- };
|
|
|
|
|
- this.cameraCache = {
|
|
|
|
|
- refs: {},
|
|
|
|
|
- uses: {}
|
|
|
|
|
- };
|
|
|
|
|
- this.lightCache = {
|
|
|
|
|
- refs: {},
|
|
|
|
|
- uses: {}
|
|
|
|
|
- };
|
|
|
|
|
- this.sourceCache = {};
|
|
|
|
|
- this.textureCache = {};
|
|
|
|
|
-
|
|
|
|
|
- // Track node names, to ensure no duplicates
|
|
|
|
|
- this.nodeNamesUsed = {};
|
|
|
|
|
-
|
|
|
|
|
- // Use an THREE.ImageBitmapLoader if imageBitmaps are supported. Moves much of the
|
|
|
|
|
- // expensive work of uploading a texture to the GPU off the main thread.
|
|
|
|
|
-
|
|
|
|
|
- let isSafari = false;
|
|
|
|
|
- let isFirefox = false;
|
|
|
|
|
- let firefoxVersion = - 1;
|
|
|
|
|
- if ( typeof navigator !== 'undefined' ) {
|
|
|
|
|
-
|
|
|
|
|
- isSafari = /^((?!chrome|android).)*safari/i.test( navigator.userAgent ) === true;
|
|
|
|
|
- isFirefox = navigator.userAgent.indexOf( 'Firefox' ) > - 1;
|
|
|
|
|
- firefoxVersion = isFirefox ? navigator.userAgent.match( /Firefox\/([0-9]+)\./ )[ 1 ] : - 1;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( typeof createImageBitmap === 'undefined' || isSafari || isFirefox && firefoxVersion < 98 ) {
|
|
|
|
|
-
|
|
|
|
|
- this.textureLoader = new THREE.TextureLoader( this.options.manager );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- this.textureLoader = new THREE.ImageBitmapLoader( this.options.manager );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- this.textureLoader.setCrossOrigin( this.options.crossOrigin );
|
|
|
|
|
- this.textureLoader.setRequestHeader( this.options.requestHeader );
|
|
|
|
|
- this.fileLoader = new THREE.FileLoader( this.options.manager );
|
|
|
|
|
- this.fileLoader.setResponseType( 'arraybuffer' );
|
|
|
|
|
- if ( this.options.crossOrigin === 'use-credentials' ) {
|
|
|
|
|
-
|
|
|
|
|
- this.fileLoader.setWithCredentials( true );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- setExtensions( extensions ) {
|
|
|
|
|
-
|
|
|
|
|
- this.extensions = extensions;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- setPlugins( plugins ) {
|
|
|
|
|
-
|
|
|
|
|
- this.plugins = plugins;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- parse( onLoad, onError ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this;
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const extensions = this.extensions;
|
|
|
|
|
-
|
|
|
|
|
- // Clear the loader cache
|
|
|
|
|
- this.cache.removeAll();
|
|
|
|
|
-
|
|
|
|
|
- // Mark the special nodes/meshes in json for efficient parse
|
|
|
|
|
- this._invokeAll( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext._markDefs && ext._markDefs();
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- Promise.all( this._invokeAll( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext.beforeRoot && ext.beforeRoot();
|
|
|
|
|
-
|
|
|
|
|
- } ) ).then( function () {
|
|
|
|
|
-
|
|
|
|
|
- return Promise.all( [ parser.getDependencies( 'scene' ), parser.getDependencies( 'animation' ), parser.getDependencies( 'camera' ) ] );
|
|
|
|
|
-
|
|
|
|
|
- } ).then( function ( dependencies ) {
|
|
|
|
|
-
|
|
|
|
|
- const 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 );
|
|
|
|
|
- Promise.all( parser._invokeAll( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext.afterRoot && ext.afterRoot( result );
|
|
|
|
|
-
|
|
|
|
|
- } ) ).then( function () {
|
|
|
|
|
-
|
|
|
|
|
- onLoad( result );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- } ).catch( onError );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Marks the special nodes/meshes in json for efficient parse.
|
|
|
|
|
- */
|
|
|
|
|
- _markDefs() {
|
|
|
|
|
-
|
|
|
|
|
- const nodeDefs = this.json.nodes || [];
|
|
|
|
|
- const skinDefs = this.json.skins || [];
|
|
|
|
|
- const meshDefs = this.json.meshes || [];
|
|
|
|
|
-
|
|
|
|
|
- // Nothing in the node definition indicates whether it is a THREE.Bone or an
|
|
|
|
|
- // THREE.Object3D. Use the skins' joint references to mark bones.
|
|
|
|
|
- for ( let skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const joints = skinDefs[ skinIndex ].joints;
|
|
|
|
|
- for ( let 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 ( let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const nodeDef = nodeDefs[ nodeIndex ];
|
|
|
|
|
- if ( nodeDef.mesh !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- this._addNodeRef( this.meshCache, nodeDef.mesh );
|
|
|
|
|
-
|
|
|
|
|
- // Nothing in the mesh definition indicates whether it is
|
|
|
|
|
- // a THREE.SkinnedMesh or THREE.Mesh. Use the node's mesh reference
|
|
|
|
|
- // to mark THREE.SkinnedMesh if node has skin.
|
|
|
|
|
- if ( nodeDef.skin !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- meshDefs[ nodeDef.mesh ].isSkinnedMesh = true;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( nodeDef.camera !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- this._addNodeRef( this.cameraCache, nodeDef.camera );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Counts references to shared node / THREE.Object3D resources. These resources
|
|
|
|
|
- * can be reused, or "instantiated", at multiple nodes in the scene
|
|
|
|
|
- * hierarchy. THREE.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.
|
|
|
|
|
- */
|
|
|
|
|
- _addNodeRef( 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. */
|
|
|
|
|
- _getNodeRef( cache, index, object ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( cache.refs[ index ] <= 1 ) return object;
|
|
|
|
|
- const ref = object.clone();
|
|
|
|
|
-
|
|
|
|
|
- // Propagates mappings to the cloned object, prevents mappings on the
|
|
|
|
|
- // original object from being lost.
|
|
|
|
|
- const updateMappings = ( original, clone ) => {
|
|
|
|
|
-
|
|
|
|
|
- const mappings = this.associations.get( original );
|
|
|
|
|
- if ( mappings != null ) {
|
|
|
|
|
-
|
|
|
|
|
- this.associations.set( clone, mappings );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- for ( const [ i, child ] of original.children.entries() ) {
|
|
|
|
|
-
|
|
|
|
|
- updateMappings( child, clone.children[ i ] );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- };
|
|
|
|
|
-
|
|
|
|
|
- updateMappings( object, ref );
|
|
|
|
|
- ref.name += '_instance_' + cache.uses[ index ] ++;
|
|
|
|
|
- return ref;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- _invokeOne( func ) {
|
|
|
|
|
-
|
|
|
|
|
- const extensions = Object.values( this.plugins );
|
|
|
|
|
- extensions.push( this );
|
|
|
|
|
- for ( let i = 0; i < extensions.length; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const result = func( extensions[ i ] );
|
|
|
|
|
- if ( result ) return result;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return null;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- _invokeAll( func ) {
|
|
|
|
|
-
|
|
|
|
|
- const extensions = Object.values( this.plugins );
|
|
|
|
|
- extensions.unshift( this );
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- for ( let i = 0; i < extensions.length; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const result = func( extensions[ i ] );
|
|
|
|
|
- if ( result ) pending.push( result );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return pending;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Requests the specified dependency asynchronously, with caching.
|
|
|
|
|
- * @param {string} type
|
|
|
|
|
- * @param {number} index
|
|
|
|
|
- * @return {Promise<Object3D|Material|THREE.Texture|AnimationClip|ArrayBuffer|Object>}
|
|
|
|
|
- */
|
|
|
|
|
- getDependency( type, index ) {
|
|
|
|
|
-
|
|
|
|
|
- const cacheKey = type + ':' + index;
|
|
|
|
|
- let 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.loadAccessor( index );
|
|
|
|
|
- break;
|
|
|
|
|
- case 'bufferView':
|
|
|
|
|
- dependency = this._invokeOne( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext.loadBufferView && ext.loadBufferView( index );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- break;
|
|
|
|
|
- case 'buffer':
|
|
|
|
|
- dependency = this.loadBuffer( index );
|
|
|
|
|
- break;
|
|
|
|
|
- case 'material':
|
|
|
|
|
- dependency = this._invokeOne( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext.loadMaterial && ext.loadMaterial( index );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- break;
|
|
|
|
|
- case 'texture':
|
|
|
|
|
- dependency = this._invokeOne( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext.loadTexture && ext.loadTexture( index );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- break;
|
|
|
|
|
- case 'skin':
|
|
|
|
|
- dependency = this.loadSkin( index );
|
|
|
|
|
- break;
|
|
|
|
|
- case 'animation':
|
|
|
|
|
- dependency = this._invokeOne( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext.loadAnimation && ext.loadAnimation( index );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- break;
|
|
|
|
|
- case 'camera':
|
|
|
|
|
- dependency = this.loadCamera( index );
|
|
|
|
|
- break;
|
|
|
|
|
- default:
|
|
|
|
|
- dependency = this._invokeOne( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext != this && ext.getDependency && ext.getDependency( type, index );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- if ( ! dependency ) {
|
|
|
|
|
-
|
|
|
|
|
- throw new Error( 'Unknown type: ' + type );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- break;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- this.cache.add( cacheKey, dependency );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return dependency;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Requests all dependencies of the specified type asynchronously, with caching.
|
|
|
|
|
- * @param {string} type
|
|
|
|
|
- * @return {Promise<Array<Object>>}
|
|
|
|
|
- */
|
|
|
|
|
- getDependencies( type ) {
|
|
|
|
|
-
|
|
|
|
|
- let dependencies = this.cache.get( type );
|
|
|
|
|
- if ( ! dependencies ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this;
|
|
|
|
|
- const 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://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
|
|
|
|
|
- * @param {number} bufferIndex
|
|
|
|
|
- * @return {Promise<ArrayBuffer>}
|
|
|
|
|
- */
|
|
|
|
|
- loadBuffer( bufferIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const bufferDef = this.json.buffers[ bufferIndex ];
|
|
|
|
|
- const loader = this.fileLoader;
|
|
|
|
|
- if ( bufferDef.type && bufferDef.type !== 'arraybuffer' ) {
|
|
|
|
|
-
|
|
|
|
|
- throw new Error( 'THREE.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.' );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // If present, GLB container is required to be the first buffer.
|
|
|
|
|
- if ( bufferDef.uri === undefined && bufferIndex === 0 ) {
|
|
|
|
|
-
|
|
|
|
|
- return Promise.resolve( this.extensions[ EXTENSIONS.KHR_BINARY_GLTF ].body );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const options = this.options;
|
|
|
|
|
- return new Promise( function ( resolve, reject ) {
|
|
|
|
|
-
|
|
|
|
|
- loader.load( THREE.LoaderUtils.resolveURL( bufferDef.uri, options.path ), resolve, undefined, function () {
|
|
|
|
|
-
|
|
|
|
|
- reject( new Error( 'THREE.GLTFLoader: Failed to load buffer "' + bufferDef.uri + '".' ) );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
|
|
|
|
|
- * @param {number} bufferViewIndex
|
|
|
|
|
- * @return {Promise<ArrayBuffer>}
|
|
|
|
|
- */
|
|
|
|
|
- loadBufferView( bufferViewIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const bufferViewDef = this.json.bufferViews[ bufferViewIndex ];
|
|
|
|
|
- return this.getDependency( 'buffer', bufferViewDef.buffer ).then( function ( buffer ) {
|
|
|
|
|
-
|
|
|
|
|
- const byteLength = bufferViewDef.byteLength || 0;
|
|
|
|
|
- const byteOffset = bufferViewDef.byteOffset || 0;
|
|
|
|
|
- return buffer.slice( byteOffset, byteOffset + byteLength );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors
|
|
|
|
|
- * @param {number} accessorIndex
|
|
|
|
|
- * @return {Promise<BufferAttribute|InterleavedBufferAttribute>}
|
|
|
|
|
- */
|
|
|
|
|
- loadAccessor( accessorIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this;
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const accessorDef = this.json.accessors[ accessorIndex ];
|
|
|
|
|
- if ( accessorDef.bufferView === undefined && accessorDef.sparse === undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- const itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ];
|
|
|
|
|
- const TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];
|
|
|
|
|
- const normalized = accessorDef.normalized === true;
|
|
|
|
|
- const array = new TypedArray( accessorDef.count * itemSize );
|
|
|
|
|
- return Promise.resolve( new THREE.BufferAttribute( array, itemSize, normalized ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const 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 ) {
|
|
|
|
|
-
|
|
|
|
|
- const bufferView = bufferViews[ 0 ];
|
|
|
|
|
- const itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ];
|
|
|
|
|
- const TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];
|
|
|
|
|
-
|
|
|
|
|
- // For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.
|
|
|
|
|
- const elementBytes = TypedArray.BYTES_PER_ELEMENT;
|
|
|
|
|
- const itemBytes = elementBytes * itemSize;
|
|
|
|
|
- const byteOffset = accessorDef.byteOffset || 0;
|
|
|
|
|
- const byteStride = accessorDef.bufferView !== undefined ? json.bufferViews[ accessorDef.bufferView ].byteStride : undefined;
|
|
|
|
|
- const normalized = accessorDef.normalized === true;
|
|
|
|
|
- let array, bufferAttribute;
|
|
|
|
|
-
|
|
|
|
|
- // The buffer is not interleaved if the stride is the item size in bytes.
|
|
|
|
|
- if ( byteStride && byteStride !== itemBytes ) {
|
|
|
|
|
-
|
|
|
|
|
- // Each "slice" of the buffer, as defined by 'count' elements of 'byteStride' bytes, gets its own THREE.InterleavedBuffer
|
|
|
|
|
- // This makes sure that IBA.count reflects accessor.count properly
|
|
|
|
|
- const ibSlice = Math.floor( byteOffset / byteStride );
|
|
|
|
|
- const ibCacheKey = 'InterleavedBuffer:' + accessorDef.bufferView + ':' + accessorDef.componentType + ':' + ibSlice + ':' + accessorDef.count;
|
|
|
|
|
- let ib = parser.cache.get( ibCacheKey );
|
|
|
|
|
- if ( ! ib ) {
|
|
|
|
|
-
|
|
|
|
|
- array = new TypedArray( bufferView, ibSlice * byteStride, accessorDef.count * byteStride / elementBytes );
|
|
|
|
|
-
|
|
|
|
|
- // Integer parameters to IB/IBA are in array elements, not bytes.
|
|
|
|
|
- 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 );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#sparse-accessors
|
|
|
|
|
- if ( accessorDef.sparse !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- const itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR;
|
|
|
|
|
- const TypedArrayIndices = WEBGL_COMPONENT_TYPES[ accessorDef.sparse.indices.componentType ];
|
|
|
|
|
- const byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0;
|
|
|
|
|
- const byteOffsetValues = accessorDef.sparse.values.byteOffset || 0;
|
|
|
|
|
- const sparseIndices = new TypedArrayIndices( bufferViews[ 1 ], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices );
|
|
|
|
|
- const sparseValues = new TypedArray( bufferViews[ 2 ], byteOffsetValues, accessorDef.sparse.count * itemSize );
|
|
|
|
|
- if ( bufferView !== null ) {
|
|
|
|
|
-
|
|
|
|
|
- // Avoid modifying the original ArrayBuffer, if the bufferView wasn't initialized with zeroes.
|
|
|
|
|
- bufferAttribute = new THREE.BufferAttribute( bufferAttribute.array.slice(), bufferAttribute.itemSize, bufferAttribute.normalized );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- for ( let i = 0, il = sparseIndices.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const 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 THREE.BufferAttribute.' );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return bufferAttribute;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures
|
|
|
|
|
- * @param {number} textureIndex
|
|
|
|
|
- * @return {Promise<THREE.Texture|null>}
|
|
|
|
|
- */
|
|
|
|
|
- loadTexture( textureIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const options = this.options;
|
|
|
|
|
- const textureDef = json.textures[ textureIndex ];
|
|
|
|
|
- const sourceIndex = textureDef.source;
|
|
|
|
|
- const sourceDef = json.images[ sourceIndex ];
|
|
|
|
|
- let loader = this.textureLoader;
|
|
|
|
|
- if ( sourceDef.uri ) {
|
|
|
|
|
-
|
|
|
|
|
- const handler = options.manager.getHandler( sourceDef.uri );
|
|
|
|
|
- if ( handler !== null ) loader = handler;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return this.loadTextureImage( textureIndex, sourceIndex, loader );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- loadTextureImage( textureIndex, sourceIndex, loader ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this;
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const textureDef = json.textures[ textureIndex ];
|
|
|
|
|
- const sourceDef = json.images[ sourceIndex ];
|
|
|
|
|
- const cacheKey = ( sourceDef.uri || sourceDef.bufferView ) + ':' + textureDef.sampler;
|
|
|
|
|
- if ( this.textureCache[ cacheKey ] ) {
|
|
|
|
|
-
|
|
|
|
|
- // See https://github.com/mrdoob/three.js/issues/21559.
|
|
|
|
|
- return this.textureCache[ cacheKey ];
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const promise = this.loadImageSource( sourceIndex, loader ).then( function ( texture ) {
|
|
|
|
|
-
|
|
|
|
|
- texture.flipY = false;
|
|
|
|
|
- texture.name = textureDef.name || sourceDef.name || '';
|
|
|
|
|
- const samplers = json.samplers || {};
|
|
|
|
|
- const 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;
|
|
|
|
|
- parser.associations.set( texture, {
|
|
|
|
|
- textures: textureIndex
|
|
|
|
|
- } );
|
|
|
|
|
- return texture;
|
|
|
|
|
-
|
|
|
|
|
- } ).catch( function () {
|
|
|
|
|
-
|
|
|
|
|
- return null;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- this.textureCache[ cacheKey ] = promise;
|
|
|
|
|
- return promise;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- loadImageSource( sourceIndex, loader ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this;
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const options = this.options;
|
|
|
|
|
- if ( this.sourceCache[ sourceIndex ] !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- return this.sourceCache[ sourceIndex ].then( texture => texture.clone() );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const sourceDef = json.images[ sourceIndex ];
|
|
|
|
|
- const URL = self.URL || self.webkitURL;
|
|
|
|
|
- let sourceURI = sourceDef.uri || '';
|
|
|
|
|
- let isObjectURL = false;
|
|
|
|
|
- if ( sourceDef.bufferView !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- // Load binary image data from bufferView, if provided.
|
|
|
|
|
-
|
|
|
|
|
- sourceURI = parser.getDependency( 'bufferView', sourceDef.bufferView ).then( function ( bufferView ) {
|
|
|
|
|
-
|
|
|
|
|
- isObjectURL = true;
|
|
|
|
|
- const blob = new Blob( [ bufferView ], {
|
|
|
|
|
- type: sourceDef.mimeType
|
|
|
|
|
- } );
|
|
|
|
|
- sourceURI = URL.createObjectURL( blob );
|
|
|
|
|
- return sourceURI;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- } else if ( sourceDef.uri === undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- throw new Error( 'THREE.GLTFLoader: Image ' + sourceIndex + ' is missing URI and bufferView' );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const promise = Promise.resolve( sourceURI ).then( function ( sourceURI ) {
|
|
|
|
|
-
|
|
|
|
|
- return new Promise( function ( resolve, reject ) {
|
|
|
|
|
-
|
|
|
|
|
- let onLoad = resolve;
|
|
|
|
|
- if ( loader.isImageBitmapLoader === true ) {
|
|
|
|
|
-
|
|
|
|
|
- onLoad = function ( imageBitmap ) {
|
|
|
|
|
-
|
|
|
|
|
- const texture = new THREE.Texture( imageBitmap );
|
|
|
|
|
- texture.needsUpdate = true;
|
|
|
|
|
- resolve( texture );
|
|
|
|
|
-
|
|
|
|
|
- };
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- loader.load( THREE.LoaderUtils.resolveURL( sourceURI, options.path ), onLoad, undefined, reject );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- } ).then( function ( texture ) {
|
|
|
|
|
-
|
|
|
|
|
- // Clean up resources and configure THREE.Texture.
|
|
|
|
|
-
|
|
|
|
|
- if ( isObjectURL === true ) {
|
|
|
|
|
-
|
|
|
|
|
- URL.revokeObjectURL( sourceURI );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- texture.userData.mimeType = sourceDef.mimeType || getImageURIMimeType( sourceDef.uri );
|
|
|
|
|
- return texture;
|
|
|
|
|
-
|
|
|
|
|
- } ).catch( function ( error ) {
|
|
|
|
|
-
|
|
|
|
|
- console.error( 'THREE.GLTFLoader: Couldn\'t load texture', sourceURI );
|
|
|
|
|
- throw error;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- this.sourceCache[ sourceIndex ] = promise;
|
|
|
|
|
- return promise;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Asynchronously assigns a texture to the given material parameters.
|
|
|
|
|
- * @param {Object} materialParams
|
|
|
|
|
- * @param {string} mapName
|
|
|
|
|
- * @param {Object} mapDef
|
|
|
|
|
- * @return {Promise<Texture>}
|
|
|
|
|
- */
|
|
|
|
|
- assignTexture( materialParams, mapName, mapDef, encoding ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this;
|
|
|
|
|
- return this.getDependency( 'texture', mapDef.index ).then( function ( texture ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( ! texture ) return null;
|
|
|
|
|
-
|
|
|
|
|
- // Materials sample aoMap from UV set 1 and other maps from UV set 0 - this can't be configured
|
|
|
|
|
- // However, we will copy UV set 0 to UV set 1 on demand for aoMap
|
|
|
|
|
- if ( mapDef.texCoord !== undefined && mapDef.texCoord != 0 && ! ( mapName === 'aoMap' && mapDef.texCoord == 1 ) ) {
|
|
|
|
|
-
|
|
|
|
|
- console.warn( 'THREE.GLTFLoader: Custom UV set ' + mapDef.texCoord + ' for texture ' + mapName + ' not yet supported.' );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] ) {
|
|
|
|
|
-
|
|
|
|
|
- const transform = mapDef.extensions !== undefined ? mapDef.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] : undefined;
|
|
|
|
|
- if ( transform ) {
|
|
|
|
|
-
|
|
|
|
|
- const gltfReference = parser.associations.get( texture );
|
|
|
|
|
- texture = parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ].extendTexture( texture, transform );
|
|
|
|
|
- parser.associations.set( texture, gltfReference );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( encoding !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- texture.encoding = encoding;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- materialParams[ mapName ] = texture;
|
|
|
|
|
- return texture;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Assigns final material to a THREE.Mesh, THREE.Line, or THREE.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 accommodate different primitive types, defines, etc. New materials will
|
|
|
|
|
- * be created if necessary, and reused from a cache.
|
|
|
|
|
- * @param {Object3D} mesh THREE.Mesh, THREE.Line, or THREE.Points instance.
|
|
|
|
|
- */
|
|
|
|
|
- assignFinalMaterial( mesh ) {
|
|
|
|
|
-
|
|
|
|
|
- const geometry = mesh.geometry;
|
|
|
|
|
- let material = mesh.material;
|
|
|
|
|
- const useDerivativeTangents = geometry.attributes.tangent === undefined;
|
|
|
|
|
- const useVertexColors = geometry.attributes.color !== undefined;
|
|
|
|
|
- const useFlatShading = geometry.attributes.normal === undefined;
|
|
|
|
|
- if ( mesh.isPoints ) {
|
|
|
|
|
-
|
|
|
|
|
- const cacheKey = 'PointsMaterial:' + material.uuid;
|
|
|
|
|
- let 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.sizeAttenuation = false; // glTF spec says points should be 1px
|
|
|
|
|
-
|
|
|
|
|
- this.cache.add( cacheKey, pointsMaterial );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- material = pointsMaterial;
|
|
|
|
|
-
|
|
|
|
|
- } else if ( mesh.isLine ) {
|
|
|
|
|
-
|
|
|
|
|
- const cacheKey = 'LineBasicMaterial:' + material.uuid;
|
|
|
|
|
- let lineMaterial = this.cache.get( cacheKey );
|
|
|
|
|
- if ( ! lineMaterial ) {
|
|
|
|
|
-
|
|
|
|
|
- lineMaterial = new THREE.LineBasicMaterial();
|
|
|
|
|
- THREE.Material.prototype.copy.call( lineMaterial, material );
|
|
|
|
|
- lineMaterial.color.copy( material.color );
|
|
|
|
|
- this.cache.add( cacheKey, lineMaterial );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- material = lineMaterial;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // Clone the material if it will be modified
|
|
|
|
|
- if ( useDerivativeTangents || useVertexColors || useFlatShading ) {
|
|
|
|
|
-
|
|
|
|
|
- let cacheKey = 'ClonedMaterial:' + material.uuid + ':';
|
|
|
|
|
- if ( useDerivativeTangents ) cacheKey += 'derivative-tangents:';
|
|
|
|
|
- if ( useVertexColors ) cacheKey += 'vertex-colors:';
|
|
|
|
|
- if ( useFlatShading ) cacheKey += 'flat-shading:';
|
|
|
|
|
- let cachedMaterial = this.cache.get( cacheKey );
|
|
|
|
|
- if ( ! cachedMaterial ) {
|
|
|
|
|
-
|
|
|
|
|
- cachedMaterial = material.clone();
|
|
|
|
|
- if ( useVertexColors ) cachedMaterial.vertexColors = true;
|
|
|
|
|
- if ( useFlatShading ) cachedMaterial.flatShading = true;
|
|
|
|
|
- if ( useDerivativeTangents ) {
|
|
|
|
|
-
|
|
|
|
|
- // https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995
|
|
|
|
|
- if ( cachedMaterial.normalScale ) cachedMaterial.normalScale.y *= - 1;
|
|
|
|
|
- if ( cachedMaterial.clearcoatNormalScale ) cachedMaterial.clearcoatNormalScale.y *= - 1;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- this.cache.add( cacheKey, cachedMaterial );
|
|
|
|
|
- this.associations.set( cachedMaterial, this.associations.get( material ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- material = cachedMaterial;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // workarounds for mesh and geometry
|
|
|
|
|
-
|
|
|
|
|
- if ( material.aoMap && geometry.attributes.uv2 === undefined && geometry.attributes.uv !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- geometry.setAttribute( 'uv2', geometry.attributes.uv );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- mesh.material = material;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- getMaterialType() {
|
|
|
|
|
-
|
|
|
|
|
- return THREE.MeshStandardMaterial;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials
|
|
|
|
|
- * @param {number} materialIndex
|
|
|
|
|
- * @return {Promise<Material>}
|
|
|
|
|
- */
|
|
|
|
|
- loadMaterial( materialIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this;
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const extensions = this.extensions;
|
|
|
|
|
- const materialDef = json.materials[ materialIndex ];
|
|
|
|
|
- let materialType;
|
|
|
|
|
- const materialParams = {};
|
|
|
|
|
- const materialExtensions = materialDef.extensions || {};
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ] ) {
|
|
|
|
|
-
|
|
|
|
|
- const kmuExtension = extensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ];
|
|
|
|
|
- materialType = kmuExtension.getMaterialType();
|
|
|
|
|
- pending.push( kmuExtension.extendParams( materialParams, materialDef, parser ) );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- // Specification:
|
|
|
|
|
- // https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#metallic-roughness-material
|
|
|
|
|
-
|
|
|
|
|
- const metallicRoughness = materialDef.pbrMetallicRoughness || {};
|
|
|
|
|
- materialParams.color = new THREE.Color( 1.0, 1.0, 1.0 );
|
|
|
|
|
- materialParams.opacity = 1.0;
|
|
|
|
|
- if ( Array.isArray( metallicRoughness.baseColorFactor ) ) {
|
|
|
|
|
-
|
|
|
|
|
- const array = metallicRoughness.baseColorFactor;
|
|
|
|
|
- materialParams.color.fromArray( array );
|
|
|
|
|
- materialParams.opacity = array[ 3 ];
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( metallicRoughness.baseColorTexture !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture, THREE.sRGBEncoding ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- 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 ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- materialType = this._invokeOne( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext.getMaterialType && ext.getMaterialType( materialIndex );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- pending.push( Promise.all( this._invokeAll( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext.extendMaterialParams && ext.extendMaterialParams( materialIndex, materialParams );
|
|
|
|
|
-
|
|
|
|
|
- } ) ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( materialDef.doubleSided === true ) {
|
|
|
|
|
-
|
|
|
|
|
- materialParams.side = THREE.DoubleSide;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE;
|
|
|
|
|
- if ( alphaMode === ALPHA_MODES.BLEND ) {
|
|
|
|
|
-
|
|
|
|
|
- materialParams.transparent = true;
|
|
|
|
|
-
|
|
|
|
|
- // See: https://github.com/mrdoob/three.js/issues/17706
|
|
|
|
|
- materialParams.depthWrite = false;
|
|
|
|
|
-
|
|
|
|
|
- } 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 ) {
|
|
|
|
|
-
|
|
|
|
|
- const scale = materialDef.normalTexture.scale;
|
|
|
|
|
- materialParams.normalScale.set( scale, 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, THREE.sRGBEncoding ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Promise.all( pending ).then( function () {
|
|
|
|
|
-
|
|
|
|
|
- const material = new materialType( materialParams );
|
|
|
|
|
- if ( materialDef.name ) material.name = materialDef.name;
|
|
|
|
|
- assignExtrasToUserData( material, materialDef );
|
|
|
|
|
- parser.associations.set( material, {
|
|
|
|
|
- materials: materialIndex
|
|
|
|
|
- } );
|
|
|
|
|
- if ( materialDef.extensions ) addUnknownExtensionsToUserData( extensions, material, materialDef );
|
|
|
|
|
- return material;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /** When THREE.Object3D instances are targeted by animation, they need unique names. */
|
|
|
|
|
- createUniqueName( originalName ) {
|
|
|
|
|
-
|
|
|
|
|
- const sanitizedName = THREE.PropertyBinding.sanitizeNodeName( originalName || '' );
|
|
|
|
|
- let name = sanitizedName;
|
|
|
|
|
- for ( let i = 1; this.nodeNamesUsed[ name ]; ++ i ) {
|
|
|
|
|
-
|
|
|
|
|
- name = sanitizedName + '_' + i;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- this.nodeNamesUsed[ name ] = true;
|
|
|
|
|
- return name;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry
|
|
|
|
|
- *
|
|
|
|
|
- * Creates BufferGeometries from primitives.
|
|
|
|
|
- *
|
|
|
|
|
- * @param {Array<GLTF.Primitive>} primitives
|
|
|
|
|
- * @return {Promise<Array<BufferGeometry>>}
|
|
|
|
|
- */
|
|
|
|
|
- loadGeometries( primitives ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this;
|
|
|
|
|
- const extensions = this.extensions;
|
|
|
|
|
- const cache = this.primitiveCache;
|
|
|
|
|
- function createDracoPrimitive( primitive ) {
|
|
|
|
|
-
|
|
|
|
|
- return extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ].decodePrimitive( primitive, parser ).then( function ( geometry ) {
|
|
|
|
|
-
|
|
|
|
|
- return addPrimitiveAttributes( geometry, primitive, parser );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- for ( let i = 0, il = primitives.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const primitive = primitives[ i ];
|
|
|
|
|
- const cacheKey = createPrimitiveKey( primitive );
|
|
|
|
|
-
|
|
|
|
|
- // See if we've already created this geometry
|
|
|
|
|
- const cached = cache[ cacheKey ];
|
|
|
|
|
- if ( cached ) {
|
|
|
|
|
-
|
|
|
|
|
- // Use the cached geometry if it exists
|
|
|
|
|
- pending.push( cached.promise );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- let geometryPromise;
|
|
|
|
|
- if ( primitive.extensions && primitive.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] ) {
|
|
|
|
|
-
|
|
|
|
|
- // Use DRACO geometry if available
|
|
|
|
|
- geometryPromise = createDracoPrimitive( primitive );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- // Otherwise create a new geometry
|
|
|
|
|
- geometryPromise = addPrimitiveAttributes( new THREE.BufferGeometry(), primitive, parser );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // Cache this geometry
|
|
|
|
|
- cache[ cacheKey ] = {
|
|
|
|
|
- primitive: primitive,
|
|
|
|
|
- promise: geometryPromise
|
|
|
|
|
- };
|
|
|
|
|
- pending.push( geometryPromise );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Promise.all( pending );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes
|
|
|
|
|
- * @param {number} meshIndex
|
|
|
|
|
- * @return {Promise<Group|Mesh|SkinnedMesh>}
|
|
|
|
|
- */
|
|
|
|
|
- loadMesh( meshIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const parser = this;
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const extensions = this.extensions;
|
|
|
|
|
- const meshDef = json.meshes[ meshIndex ];
|
|
|
|
|
- const primitives = meshDef.primitives;
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- for ( let i = 0, il = primitives.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const material = primitives[ i ].material === undefined ? createDefaultMaterial( this.cache ) : this.getDependency( 'material', primitives[ i ].material );
|
|
|
|
|
- pending.push( material );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- pending.push( parser.loadGeometries( primitives ) );
|
|
|
|
|
- return Promise.all( pending ).then( function ( results ) {
|
|
|
|
|
-
|
|
|
|
|
- const materials = results.slice( 0, results.length - 1 );
|
|
|
|
|
- const geometries = results[ results.length - 1 ];
|
|
|
|
|
- const meshes = [];
|
|
|
|
|
- for ( let i = 0, il = geometries.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const geometry = geometries[ i ];
|
|
|
|
|
- const primitive = primitives[ i ];
|
|
|
|
|
-
|
|
|
|
|
- // 1. create THREE.Mesh
|
|
|
|
|
-
|
|
|
|
|
- let mesh;
|
|
|
|
|
- const material = materials[ i ];
|
|
|
|
|
- if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLES || primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP || primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN || primitive.mode === undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- // .isSkinnedMesh isn't in glTF spec. See ._markDefs()
|
|
|
|
|
- mesh = meshDef.isSkinnedMesh === true ? new THREE.SkinnedMesh( geometry, material ) : new THREE.Mesh( geometry, material );
|
|
|
|
|
- if ( mesh.isSkinnedMesh === true && ! mesh.geometry.attributes.skinWeight.normalized ) {
|
|
|
|
|
-
|
|
|
|
|
- // we normalize floating point skin weight array to fix malformed assets (see #15319)
|
|
|
|
|
- // it's important to skip this for non-float32 data since normalizeSkinWeights assumes non-normalized inputs
|
|
|
|
|
- mesh.normalizeSkinWeights();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ) {
|
|
|
|
|
-
|
|
|
|
|
- mesh.geometry = toTrianglesDrawMode( mesh.geometry, THREE.TriangleStripDrawMode );
|
|
|
|
|
-
|
|
|
|
|
- } else if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ) {
|
|
|
|
|
-
|
|
|
|
|
- mesh.geometry = toTrianglesDrawMode( mesh.geometry, 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 = parser.createUniqueName( meshDef.name || 'mesh_' + meshIndex );
|
|
|
|
|
- assignExtrasToUserData( mesh, meshDef );
|
|
|
|
|
- if ( primitive.extensions ) addUnknownExtensionsToUserData( extensions, mesh, primitive );
|
|
|
|
|
- parser.assignFinalMaterial( mesh );
|
|
|
|
|
- meshes.push( mesh );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- for ( let i = 0, il = meshes.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- parser.associations.set( meshes[ i ], {
|
|
|
|
|
- meshes: meshIndex,
|
|
|
|
|
- primitives: i
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( meshes.length === 1 ) {
|
|
|
|
|
-
|
|
|
|
|
- return meshes[ 0 ];
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const group = new THREE.Group();
|
|
|
|
|
- parser.associations.set( group, {
|
|
|
|
|
- meshes: meshIndex
|
|
|
|
|
- } );
|
|
|
|
|
- for ( let i = 0, il = meshes.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- group.add( meshes[ i ] );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return group;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras
|
|
|
|
|
- * @param {number} cameraIndex
|
|
|
|
|
- * @return {Promise<THREE.Camera>}
|
|
|
|
|
- */
|
|
|
|
|
- loadCamera( cameraIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- let camera;
|
|
|
|
|
- const cameraDef = this.json.cameras[ cameraIndex ];
|
|
|
|
|
- const params = cameraDef[ cameraDef.type ];
|
|
|
|
|
- if ( ! params ) {
|
|
|
|
|
-
|
|
|
|
|
- console.warn( 'THREE.GLTFLoader: Missing camera parameters.' );
|
|
|
|
|
- return;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( cameraDef.type === 'perspective' ) {
|
|
|
|
|
-
|
|
|
|
|
- camera = new THREE.PerspectiveCamera( THREE.MathUtils.radToDeg( params.yfov ), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6 );
|
|
|
|
|
-
|
|
|
|
|
- } else if ( cameraDef.type === 'orthographic' ) {
|
|
|
|
|
-
|
|
|
|
|
- camera = new THREE.OrthographicCamera( - params.xmag, params.xmag, params.ymag, - params.ymag, params.znear, params.zfar );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( cameraDef.name ) camera.name = this.createUniqueName( cameraDef.name );
|
|
|
|
|
- assignExtrasToUserData( camera, cameraDef );
|
|
|
|
|
- return Promise.resolve( camera );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins
|
|
|
|
|
- * @param {number} skinIndex
|
|
|
|
|
- * @return {Promise<Skeleton>}
|
|
|
|
|
- */
|
|
|
|
|
- loadSkin( skinIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const skinDef = this.json.skins[ skinIndex ];
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- for ( let i = 0, il = skinDef.joints.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( this.getDependency( 'node', skinDef.joints[ i ] ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( skinDef.inverseBindMatrices !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( this.getDependency( 'accessor', skinDef.inverseBindMatrices ) );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( null );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Promise.all( pending ).then( function ( results ) {
|
|
|
|
|
-
|
|
|
|
|
- const inverseBindMatrices = results.pop();
|
|
|
|
|
- const jointNodes = results;
|
|
|
|
|
- const bones = [];
|
|
|
|
|
- const boneInverses = [];
|
|
|
|
|
- for ( let i = 0, il = jointNodes.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const jointNode = jointNodes[ i ];
|
|
|
|
|
- if ( jointNode ) {
|
|
|
|
|
-
|
|
|
|
|
- bones.push( jointNode );
|
|
|
|
|
- const mat = new THREE.Matrix4();
|
|
|
|
|
- if ( inverseBindMatrices !== null ) {
|
|
|
|
|
-
|
|
|
|
|
- mat.fromArray( inverseBindMatrices.array, i * 16 );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- boneInverses.push( mat );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- console.warn( 'THREE.GLTFLoader: Joint "%s" could not be found.', skinDef.joints[ i ] );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return new THREE.Skeleton( bones, boneInverses );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations
|
|
|
|
|
- * @param {number} animationIndex
|
|
|
|
|
- * @return {Promise<AnimationClip>}
|
|
|
|
|
- */
|
|
|
|
|
- loadAnimation( animationIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const animationDef = json.animations[ animationIndex ];
|
|
|
|
|
- const pendingNodes = [];
|
|
|
|
|
- const pendingInputAccessors = [];
|
|
|
|
|
- const pendingOutputAccessors = [];
|
|
|
|
|
- const pendingSamplers = [];
|
|
|
|
|
- const pendingTargets = [];
|
|
|
|
|
- for ( let i = 0, il = animationDef.channels.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const channel = animationDef.channels[ i ];
|
|
|
|
|
- const sampler = animationDef.samplers[ channel.sampler ];
|
|
|
|
|
- const target = channel.target;
|
|
|
|
|
- const name = target.node;
|
|
|
|
|
- const input = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.input ] : sampler.input;
|
|
|
|
|
- const 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 ) {
|
|
|
|
|
-
|
|
|
|
|
- const nodes = dependencies[ 0 ];
|
|
|
|
|
- const inputAccessors = dependencies[ 1 ];
|
|
|
|
|
- const outputAccessors = dependencies[ 2 ];
|
|
|
|
|
- const samplers = dependencies[ 3 ];
|
|
|
|
|
- const targets = dependencies[ 4 ];
|
|
|
|
|
- const tracks = [];
|
|
|
|
|
- for ( let i = 0, il = nodes.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const node = nodes[ i ];
|
|
|
|
|
- const inputAccessor = inputAccessors[ i ];
|
|
|
|
|
- const outputAccessor = outputAccessors[ i ];
|
|
|
|
|
- const sampler = samplers[ i ];
|
|
|
|
|
- const target = targets[ i ];
|
|
|
|
|
- if ( node === undefined ) continue;
|
|
|
|
|
- node.updateMatrix();
|
|
|
|
|
- let 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;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const targetName = node.name ? node.name : node.uuid;
|
|
|
|
|
- const interpolation = sampler.interpolation !== undefined ? INTERPOLATION[ sampler.interpolation ] : THREE.InterpolateLinear;
|
|
|
|
|
- const targetNames = [];
|
|
|
|
|
- if ( PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.weights ) {
|
|
|
|
|
-
|
|
|
|
|
- node.traverse( function ( object ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( object.morphTargetInfluences ) {
|
|
|
|
|
-
|
|
|
|
|
- targetNames.push( object.name ? object.name : object.uuid );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- targetNames.push( targetName );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- let outputArray = outputAccessor.array;
|
|
|
|
|
- if ( outputAccessor.normalized ) {
|
|
|
|
|
-
|
|
|
|
|
- const scale = getNormalizedComponentScale( outputArray.constructor );
|
|
|
|
|
- const scaled = new Float32Array( outputArray.length );
|
|
|
|
|
- for ( let j = 0, jl = outputArray.length; j < jl; j ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- scaled[ j ] = outputArray[ j ] * scale;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- outputArray = scaled;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- for ( let j = 0, jl = targetNames.length; j < jl; j ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const track = new TypedKeyframeTrack( targetNames[ j ] + '.' + PATH_PROPERTIES[ target.path ], inputAccessor.array, outputArray, interpolation );
|
|
|
|
|
-
|
|
|
|
|
- // Override interpolation with custom factory method.
|
|
|
|
|
- if ( sampler.interpolation === 'CUBICSPLINE' ) {
|
|
|
|
|
-
|
|
|
|
|
- track.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline( result ) {
|
|
|
|
|
-
|
|
|
|
|
- // A CUBICSPLINE keyframe in glTF has three output values for each input value,
|
|
|
|
|
- // representing inTangent, splineVertex, and outTangent. As a result, track.getValueSize()
|
|
|
|
|
- // must be divided by three to get the interpolant's sampleSize argument.
|
|
|
|
|
-
|
|
|
|
|
- const interpolantType = this instanceof THREE.QuaternionKeyframeTrack ? GLTFCubicSplineQuaternionInterpolant : GLTFCubicSplineInterpolant;
|
|
|
|
|
- return new interpolantType( this.times, this.values, this.getValueSize() / 3, result );
|
|
|
|
|
-
|
|
|
|
|
- };
|
|
|
|
|
-
|
|
|
|
|
- // Mark as CUBICSPLINE. `track.getInterpolation()` doesn't support custom interpolants.
|
|
|
|
|
- track.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- tracks.push( track );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const name = animationDef.name ? animationDef.name : 'animation_' + animationIndex;
|
|
|
|
|
- return new THREE.AnimationClip( name, undefined, tracks );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- createNodeMesh( nodeIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const parser = this;
|
|
|
|
|
- const nodeDef = json.nodes[ nodeIndex ];
|
|
|
|
|
- if ( nodeDef.mesh === undefined ) return null;
|
|
|
|
|
- return parser.getDependency( 'mesh', nodeDef.mesh ).then( function ( mesh ) {
|
|
|
|
|
-
|
|
|
|
|
- const node = parser._getNodeRef( parser.meshCache, nodeDef.mesh, mesh );
|
|
|
|
|
-
|
|
|
|
|
- // if weights are provided on the node, override weights on the mesh.
|
|
|
|
|
- if ( nodeDef.weights !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- node.traverse( function ( o ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( ! o.isMesh ) return;
|
|
|
|
|
- for ( let i = 0, il = nodeDef.weights.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- o.morphTargetInfluences[ i ] = nodeDef.weights[ i ];
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return node;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy
|
|
|
|
|
- * @param {number} nodeIndex
|
|
|
|
|
- * @return {Promise<Object3D>}
|
|
|
|
|
- */
|
|
|
|
|
- loadNode( nodeIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const extensions = this.extensions;
|
|
|
|
|
- const parser = this;
|
|
|
|
|
- const nodeDef = json.nodes[ nodeIndex ];
|
|
|
|
|
-
|
|
|
|
|
- // reserve node's name before its dependencies, so the root has the intended name.
|
|
|
|
|
- const nodeName = nodeDef.name ? parser.createUniqueName( nodeDef.name ) : '';
|
|
|
|
|
- return function () {
|
|
|
|
|
-
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- const meshPromise = parser._invokeOne( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext.createNodeMesh && ext.createNodeMesh( nodeIndex );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- if ( meshPromise ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( meshPromise );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( nodeDef.camera !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( parser.getDependency( 'camera', nodeDef.camera ).then( function ( camera ) {
|
|
|
|
|
-
|
|
|
|
|
- return parser._getNodeRef( parser.cameraCache, nodeDef.camera, camera );
|
|
|
|
|
-
|
|
|
|
|
- } ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- parser._invokeAll( function ( ext ) {
|
|
|
|
|
-
|
|
|
|
|
- return ext.createNodeAttachment && ext.createNodeAttachment( nodeIndex );
|
|
|
|
|
-
|
|
|
|
|
- } ).forEach( function ( promise ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( promise );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- return Promise.all( pending );
|
|
|
|
|
-
|
|
|
|
|
- }().then( function ( objects ) {
|
|
|
|
|
-
|
|
|
|
|
- let node;
|
|
|
|
|
-
|
|
|
|
|
- // .isBone isn't in glTF spec. See ._markDefs
|
|
|
|
|
- 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 ( let i = 0, il = objects.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- node.add( objects[ i ] );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( nodeDef.name ) {
|
|
|
|
|
-
|
|
|
|
|
- node.userData.name = nodeDef.name;
|
|
|
|
|
- node.name = nodeName;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- assignExtrasToUserData( node, nodeDef );
|
|
|
|
|
- if ( nodeDef.extensions ) addUnknownExtensionsToUserData( extensions, node, nodeDef );
|
|
|
|
|
- if ( nodeDef.matrix !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- const matrix = new THREE.Matrix4();
|
|
|
|
|
- matrix.fromArray( nodeDef.matrix );
|
|
|
|
|
- node.applyMatrix4( 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 );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( ! parser.associations.has( node ) ) {
|
|
|
|
|
-
|
|
|
|
|
- parser.associations.set( node, {} );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- parser.associations.get( node ).nodes = nodeIndex;
|
|
|
|
|
- return node;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes
|
|
|
|
|
- * @param {number} sceneIndex
|
|
|
|
|
- * @return {Promise<Group>}
|
|
|
|
|
- */
|
|
|
|
|
- loadScene( sceneIndex ) {
|
|
|
|
|
-
|
|
|
|
|
- const json = this.json;
|
|
|
|
|
- const extensions = this.extensions;
|
|
|
|
|
- const sceneDef = this.json.scenes[ sceneIndex ];
|
|
|
|
|
- const parser = this;
|
|
|
|
|
-
|
|
|
|
|
- // THREE.Loader returns THREE.Group, not Scene.
|
|
|
|
|
- // See: https://github.com/mrdoob/three.js/issues/18342#issuecomment-578981172
|
|
|
|
|
- const scene = new THREE.Group();
|
|
|
|
|
- if ( sceneDef.name ) scene.name = parser.createUniqueName( sceneDef.name );
|
|
|
|
|
- assignExtrasToUserData( scene, sceneDef );
|
|
|
|
|
- if ( sceneDef.extensions ) addUnknownExtensionsToUserData( extensions, scene, sceneDef );
|
|
|
|
|
- const nodeIds = sceneDef.nodes || [];
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- for ( let i = 0, il = nodeIds.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- pending.push( buildNodeHierarchy( nodeIds[ i ], scene, json, parser ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Promise.all( pending ).then( function () {
|
|
|
|
|
-
|
|
|
|
|
- // Removes dangling associations, associations that reference a node that
|
|
|
|
|
- // didn't make it into the scene.
|
|
|
|
|
- const reduceAssociations = node => {
|
|
|
|
|
-
|
|
|
|
|
- const reducedAssociations = new Map();
|
|
|
|
|
- for ( const [ key, value ] of parser.associations ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( key instanceof THREE.Material || key instanceof THREE.Texture ) {
|
|
|
|
|
-
|
|
|
|
|
- reducedAssociations.set( key, value );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- node.traverse( node => {
|
|
|
|
|
-
|
|
|
|
|
- const mappings = parser.associations.get( node );
|
|
|
|
|
- if ( mappings != null ) {
|
|
|
|
|
-
|
|
|
|
|
- reducedAssociations.set( node, mappings );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- return reducedAssociations;
|
|
|
|
|
-
|
|
|
|
|
- };
|
|
|
|
|
-
|
|
|
|
|
- parser.associations = reduceAssociations( scene );
|
|
|
|
|
- return scene;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- function buildNodeHierarchy( nodeId, parentObject, json, parser ) {
|
|
|
|
|
-
|
|
|
|
|
- const nodeDef = json.nodes[ nodeId ];
|
|
|
|
|
- return parser.getDependency( 'node', nodeId ).then( function ( node ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( nodeDef.skin === undefined ) return node;
|
|
|
|
|
-
|
|
|
|
|
- // build skeleton here as well
|
|
|
|
|
-
|
|
|
|
|
- return parser.getDependency( 'skin', nodeDef.skin ).then( function ( skeleton ) {
|
|
|
|
|
-
|
|
|
|
|
- node.traverse( function ( mesh ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( ! mesh.isSkinnedMesh ) return;
|
|
|
|
|
- mesh.bind( skeleton, mesh.matrixWorld );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- return node;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- } ).then( function ( node ) {
|
|
|
|
|
-
|
|
|
|
|
- // build node hierachy
|
|
|
|
|
-
|
|
|
|
|
- parentObject.add( node );
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- if ( nodeDef.children ) {
|
|
|
|
|
-
|
|
|
|
|
- const children = nodeDef.children;
|
|
|
|
|
- for ( let i = 0, il = children.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const child = children[ i ];
|
|
|
|
|
- pending.push( buildNodeHierarchy( child, node, json, parser ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return Promise.all( pending );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * @param {BufferGeometry} geometry
|
|
|
|
|
- * @param {GLTF.Primitive} primitiveDef
|
|
|
|
|
- * @param {GLTFParser} parser
|
|
|
|
|
- */
|
|
|
|
|
- function computeBounds( geometry, primitiveDef, parser ) {
|
|
|
|
|
-
|
|
|
|
|
- const attributes = primitiveDef.attributes;
|
|
|
|
|
- const box = new THREE.Box3();
|
|
|
|
|
- if ( attributes.POSITION !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- const accessor = parser.json.accessors[ attributes.POSITION ];
|
|
|
|
|
- const min = accessor.min;
|
|
|
|
|
- const max = accessor.max;
|
|
|
|
|
-
|
|
|
|
|
- // glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.
|
|
|
|
|
-
|
|
|
|
|
- if ( min !== undefined && max !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- box.set( new THREE.Vector3( min[ 0 ], min[ 1 ], min[ 2 ] ), new THREE.Vector3( max[ 0 ], max[ 1 ], max[ 2 ] ) );
|
|
|
|
|
- if ( accessor.normalized ) {
|
|
|
|
|
-
|
|
|
|
|
- const boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] );
|
|
|
|
|
- box.min.multiplyScalar( boxScale );
|
|
|
|
|
- box.max.multiplyScalar( boxScale );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- console.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' );
|
|
|
|
|
- return;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- return;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- const targets = primitiveDef.targets;
|
|
|
|
|
- if ( targets !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- const maxDisplacement = new THREE.Vector3();
|
|
|
|
|
- const vector = new THREE.Vector3();
|
|
|
|
|
- for ( let i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- const target = targets[ i ];
|
|
|
|
|
- if ( target.POSITION !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- const accessor = parser.json.accessors[ target.POSITION ];
|
|
|
|
|
- const min = accessor.min;
|
|
|
|
|
- const max = accessor.max;
|
|
|
|
|
-
|
|
|
|
|
- // glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.
|
|
|
|
|
-
|
|
|
|
|
- if ( min !== undefined && max !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- // we need to get max of absolute components because target weight is [-1,1]
|
|
|
|
|
- vector.setX( Math.max( Math.abs( min[ 0 ] ), Math.abs( max[ 0 ] ) ) );
|
|
|
|
|
- vector.setY( Math.max( Math.abs( min[ 1 ] ), Math.abs( max[ 1 ] ) ) );
|
|
|
|
|
- vector.setZ( Math.max( Math.abs( min[ 2 ] ), Math.abs( max[ 2 ] ) ) );
|
|
|
|
|
- if ( accessor.normalized ) {
|
|
|
|
|
-
|
|
|
|
|
- const boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] );
|
|
|
|
|
- vector.multiplyScalar( boxScale );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // Note: this assumes that the sum of all weights is at most 1. This isn't quite correct - it's more conservative
|
|
|
|
|
- // to assume that each target can have a max weight of 1. However, for some use cases - notably, when morph targets
|
|
|
|
|
- // are used to implement key-frame animations and as such only two are active at a time - this results in very large
|
|
|
|
|
- // boxes. So for now we make a box that's sometimes a touch too small but is hopefully mostly of reasonable size.
|
|
|
|
|
- maxDisplacement.max( vector );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- console.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // As per comment above this box isn't conservative, but has a reasonable size for a very large number of morph targets.
|
|
|
|
|
- box.expandByVector( maxDisplacement );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- geometry.boundingBox = box;
|
|
|
|
|
- const sphere = new THREE.Sphere();
|
|
|
|
|
- box.getCenter( sphere.center );
|
|
|
|
|
- sphere.radius = box.min.distanceTo( box.max ) / 2;
|
|
|
|
|
- geometry.boundingSphere = sphere;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * @param {BufferGeometry} geometry
|
|
|
|
|
- * @param {GLTF.Primitive} primitiveDef
|
|
|
|
|
- * @param {GLTFParser} parser
|
|
|
|
|
- * @return {Promise<BufferGeometry>}
|
|
|
|
|
- */
|
|
|
|
|
- function addPrimitiveAttributes( geometry, primitiveDef, parser ) {
|
|
|
|
|
-
|
|
|
|
|
- const attributes = primitiveDef.attributes;
|
|
|
|
|
- const pending = [];
|
|
|
|
|
- function assignAttributeAccessor( accessorIndex, attributeName ) {
|
|
|
|
|
-
|
|
|
|
|
- return parser.getDependency( 'accessor', accessorIndex ).then( function ( accessor ) {
|
|
|
|
|
-
|
|
|
|
|
- geometry.setAttribute( attributeName, accessor );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- for ( const gltfAttributeName in attributes ) {
|
|
|
|
|
-
|
|
|
|
|
- const threeAttributeName = ATTRIBUTES[ gltfAttributeName ] || gltfAttributeName.toLowerCase();
|
|
|
|
|
-
|
|
|
|
|
- // Skip attributes already provided by e.g. Draco extension.
|
|
|
|
|
- if ( threeAttributeName in geometry.attributes ) continue;
|
|
|
|
|
- pending.push( assignAttributeAccessor( attributes[ gltfAttributeName ], threeAttributeName ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( primitiveDef.indices !== undefined && ! geometry.index ) {
|
|
|
|
|
-
|
|
|
|
|
- const accessor = parser.getDependency( 'accessor', primitiveDef.indices ).then( function ( accessor ) {
|
|
|
|
|
-
|
|
|
|
|
- geometry.setIndex( accessor );
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
- pending.push( accessor );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- assignExtrasToUserData( geometry, primitiveDef );
|
|
|
|
|
- computeBounds( geometry, primitiveDef, parser );
|
|
|
|
|
- return Promise.all( pending ).then( function () {
|
|
|
|
|
-
|
|
|
|
|
- return primitiveDef.targets !== undefined ? addMorphTargets( geometry, primitiveDef.targets, parser ) : geometry;
|
|
|
|
|
-
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- /**
|
|
|
|
|
- * @param {BufferGeometry} geometry
|
|
|
|
|
- * @param {Number} drawMode
|
|
|
|
|
- * @return {BufferGeometry}
|
|
|
|
|
- */
|
|
|
|
|
- function toTrianglesDrawMode( geometry, drawMode ) {
|
|
|
|
|
-
|
|
|
|
|
- let index = geometry.getIndex();
|
|
|
|
|
-
|
|
|
|
|
- // generate index if not present
|
|
|
|
|
-
|
|
|
|
|
- if ( index === null ) {
|
|
|
|
|
-
|
|
|
|
|
- const indices = [];
|
|
|
|
|
- const position = geometry.getAttribute( 'position' );
|
|
|
|
|
- if ( position !== undefined ) {
|
|
|
|
|
-
|
|
|
|
|
- for ( let i = 0; i < position.count; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- indices.push( i );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- geometry.setIndex( indices );
|
|
|
|
|
- index = geometry.getIndex();
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- console.error( 'THREE.GLTFLoader.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.' );
|
|
|
|
|
- return geometry;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- //
|
|
|
|
|
-
|
|
|
|
|
- const numberOfTriangles = index.count - 2;
|
|
|
|
|
- const newIndices = [];
|
|
|
|
|
- if ( drawMode === THREE.TriangleFanDrawMode ) {
|
|
|
|
|
-
|
|
|
|
|
- // gl.TRIANGLE_FAN
|
|
|
|
|
-
|
|
|
|
|
- for ( let i = 1; i <= numberOfTriangles; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- newIndices.push( index.getX( 0 ) );
|
|
|
|
|
- newIndices.push( index.getX( i ) );
|
|
|
|
|
- newIndices.push( index.getX( i + 1 ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- // gl.TRIANGLE_STRIP
|
|
|
|
|
-
|
|
|
|
|
- for ( let i = 0; i < numberOfTriangles; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( i % 2 === 0 ) {
|
|
|
|
|
-
|
|
|
|
|
- newIndices.push( index.getX( i ) );
|
|
|
|
|
- newIndices.push( index.getX( i + 1 ) );
|
|
|
|
|
- newIndices.push( index.getX( i + 2 ) );
|
|
|
|
|
-
|
|
|
|
|
- } else {
|
|
|
|
|
-
|
|
|
|
|
- newIndices.push( index.getX( i + 2 ) );
|
|
|
|
|
- newIndices.push( index.getX( i + 1 ) );
|
|
|
|
|
- newIndices.push( index.getX( i ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( newIndices.length / 3 !== numberOfTriangles ) {
|
|
|
|
|
-
|
|
|
|
|
- console.error( 'THREE.GLTFLoader.toTrianglesDrawMode(): Unable to generate correct amount of triangles.' );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // build final geometry
|
|
|
|
|
-
|
|
|
|
|
- const newGeometry = geometry.clone();
|
|
|
|
|
- newGeometry.setIndex( newIndices );
|
|
|
|
|
- return newGeometry;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- THREE.GLTFLoader = GLTFLoader;
|
|
|
|
|
-
|
|
|
|
|
-} )();
|
|
|