nodejs with express server, leapmotion for movement control, and threejs for 3d render

clientLeap/libraries/MTLLoader.js

@@ -0,0 +1,476 @@
+/**
+ * Loads a Wavefront .mtl file specifying materials
+ *
+ * @author angelxuanchang
+ */
+
+THREE.MTLLoader = function( manager ) {
+
+	this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
+
+};
+
+Object.assign( THREE.MTLLoader.prototype, THREE.EventDispatcher.prototype, {
+
+	/**
+	 * Loads and parses a MTL asset from a URL.
+	 *
+	 * @param {String} url - URL to the MTL file.
+	 * @param {Function} [onLoad] - Callback invoked with the loaded object.
+	 * @param {Function} [onProgress] - Callback for download progress.
+	 * @param {Function} [onError] - Callback for download errors.
+	 *
+	 * @see setPath setTexturePath
+	 *
+	 * @note In order for relative texture references to resolve correctly
+	 * you must call setPath and/or setTexturePath explicitly prior to load.
+	 */
+	load: function ( url, onLoad, onProgress, onError ) {
+
+		var scope = this;
+
+		var loader = new THREE.XHRLoader( this.manager );
+		loader.setPath( this.path );
+		loader.load( url, function ( text ) {
+
+			onLoad( scope.parse( text ) );
+
+		}, onProgress, onError );
+
+	},
+
+	/**
+	 * Set base path for resolving references.
+	 * If set this path will be prepended to each loaded and found reference.
+	 *
+	 * @see setTexturePath
+	 * @param {String} path
+	 *
+	 * @example
+	 *     mtlLoader.setPath( 'assets/obj/' );
+	 *     mtlLoader.load( 'my.mtl', ... );
+	 */
+	setPath: function ( path ) {
+
+		this.path = path;
+
+	},
+
+	/**
+	 * Set base path for resolving texture references.
+	 * If set this path will be prepended found texture reference.
+	 * If not set and setPath is, it will be used as texture base path.
+	 *
+	 * @see setPath
+	 * @param {String} path
+	 *
+	 * @example
+	 *     mtlLoader.setPath( 'assets/obj/' );
+	 *     mtlLoader.setTexturePath( 'assets/textures/' );
+	 *     mtlLoader.load( 'my.mtl', ... );
+	 */
+	setTexturePath: function( path ) {
+
+		this.texturePath = path;
+
+	},
+
+	setBaseUrl: function( path ) {
+
+		console.warn( 'THREE.MTLLoader: .setBaseUrl() is deprecated. Use .setTexturePath( path ) for texture path or .setPath( path ) for general base path instead.' );
+
+		this.setTexturePath( path );
+
+	},
+
+	setCrossOrigin: function ( value ) {
+
+		this.crossOrigin = value;
+
+	},
+
+	setMaterialOptions: function ( value ) {
+
+		this.materialOptions = value;
+
+	},
+
+	/**
+	 * Parses a MTL file.
+	 *
+	 * @param {String} text - Content of MTL file
+	 * @return {THREE.MTLLoader.MaterialCreator}
+	 *
+	 * @see setPath setTexturePath
+	 *
+	 * @note In order for relative texture references to resolve correctly
+	 * you must call setPath and/or setTexturePath explicitly prior to parse.
+	 */
+	parse: function ( text ) {
+
+		var lines = text.split( '\n' );
+		var info = {};
+		var delimiter_pattern = /\s+/;
+		var materialsInfo = {};
+
+		for ( var i = 0; i < lines.length; i ++ ) {
+
+			var line = lines[ i ];
+			line = line.trim();
+
+			if ( line.length === 0 || line.charAt( 0 ) === '#' ) {
+
+				// Blank line or comment ignore
+				continue;
+
+			}
+
+			var pos = line.indexOf( ' ' );
+
+			var key = ( pos >= 0 ) ? line.substring( 0, pos ) : line;
+			key = key.toLowerCase();
+
+			var value = ( pos >= 0 ) ? line.substring( pos + 1 ) : '';
+			value = value.trim();
+
+			if ( key === 'newmtl' ) {
+
+				// New material
+
+				info = { name: value };
+				materialsInfo[ value ] = info;
+
+			} else if ( info ) {
+
+				if ( key === 'ka' || key === 'kd' || key === 'ks' ) {
+
+					var ss = value.split( delimiter_pattern, 3 );
+					info[ key ] = [ parseFloat( ss[ 0 ] ), parseFloat( ss[ 1 ] ), parseFloat( ss[ 2 ] ) ];
+
+				} else {
+
+					info[ key ] = value;
+
+				}
+
+			}
+
+		}
+
+		var materialCreator = new THREE.MTLLoader.MaterialCreator( this.texturePath || this.path, this.materialOptions );
+		materialCreator.setCrossOrigin( this.crossOrigin );
+		materialCreator.setManager( this.manager );
+		materialCreator.setMaterials( materialsInfo );
+		return materialCreator;
+
+	}
+
+} );
+
+/**
+ * Create a new THREE-MTLLoader.MaterialCreator
+ * @param baseUrl - Url relative to which textures are loaded
+ * @param options - Set of options on how to construct the materials
+ *                  side: Which side to apply the material
+ *                        THREE.FrontSide (default), THREE.BackSide, THREE.DoubleSide
+ *                  wrap: What type of wrapping to apply for textures
+ *                        THREE.RepeatWrapping (default), THREE.ClampToEdgeWrapping, THREE.MirroredRepeatWrapping
+ *                  normalizeRGB: RGBs need to be normalized to 0-1 from 0-255
+ *                                Default: false, assumed to be already normalized
+ *                  ignoreZeroRGBs: Ignore values of RGBs (Ka,Kd,Ks) that are all 0's
+ *                                  Default: false
+ * @constructor
+ */
+
+THREE.MTLLoader.MaterialCreator = function( baseUrl, options ) {
+
+	this.baseUrl = baseUrl || '';
+	this.options = options;
+	this.materialsInfo = {};
+	this.materials = {};
+	this.materialsArray = [];
+	this.nameLookup = {};
+
+	this.side = ( this.options && this.options.side ) ? this.options.side : THREE.FrontSide;
+	this.wrap = ( this.options && this.options.wrap ) ? this.options.wrap : THREE.RepeatWrapping;
+
+};
+
+THREE.MTLLoader.MaterialCreator.prototype = {
+
+	constructor: THREE.MTLLoader.MaterialCreator,
+
+	setCrossOrigin: function ( value ) {
+
+		this.crossOrigin = value;
+
+	},
+
+	setManager: function ( value ) {
+
+		this.manager = value;
+
+	},
+
+	setMaterials: function( materialsInfo ) {
+
+		this.materialsInfo = this.convert( materialsInfo );
+		this.materials = {};
+		this.materialsArray = [];
+		this.nameLookup = {};
+
+	},
+
+	convert: function( materialsInfo ) {
+
+		if ( ! this.options ) return materialsInfo;
+
+		var converted = {};
+
+		for ( var mn in materialsInfo ) {
+
+			// Convert materials info into normalized form based on options
+
+			var mat = materialsInfo[ mn ];
+
+			var covmat = {};
+
+			converted[ mn ] = covmat;
+
+			for ( var prop in mat ) {
+
+				var save = true;
+				var value = mat[ prop ];
+				var lprop = prop.toLowerCase();
+
+				switch ( lprop ) {
+
+					case 'kd':
+					case 'ka':
+					case 'ks':
+
+						// Diffuse color (color under white light) using RGB values
+
+						if ( this.options && this.options.normalizeRGB ) {
+
+							value = [ value[ 0 ] / 255, value[ 1 ] / 255, value[ 2 ] / 255 ];
+
+						}
+
+						if ( this.options && this.options.ignoreZeroRGBs ) {
+
+							if ( value[ 0 ] === 0 && value[ 1 ] === 0 && value[ 1 ] === 0 ) {
+
+								// ignore
+
+								save = false;
+
+							}
+
+						}
+
+						break;
+
+					default:
+
+						break;
+				}
+
+				if ( save ) {
+
+					covmat[ lprop ] = value;
+
+				}
+
+			}
+
+		}
+
+		return converted;
+
+	},
+
+	preload: function () {
+
+		for ( var mn in this.materialsInfo ) {
+
+			this.create( mn );
+
+		}
+
+	},
+
+	getIndex: function( materialName ) {
+
+		return this.nameLookup[ materialName ];
+
+	},
+
+	getAsArray: function() {
+
+		var index = 0;
+
+		for ( var mn in this.materialsInfo ) {
+
+			this.materialsArray[ index ] = this.create( mn );
+			this.nameLookup[ mn ] = index;
+			index ++;
+
+		}
+
+		return this.materialsArray;
+
+	},
+
+	create: function ( materialName ) {
+
+		if ( this.materials[ materialName ] === undefined ) {
+
+			this.createMaterial_( materialName );
+
+		}
+
+		return this.materials[ materialName ];
+
+	},
+
+	createMaterial_: function ( materialName ) {
+
+		// Create material
+
+		var mat = this.materialsInfo[ materialName ];
+		var params = {
+
+			name: materialName,
+			side: this.side
+
+		};
+
+		var resolveURL = function ( baseUrl, url ) {
+
+			if ( typeof url !== 'string' || url === '' )
+				return '';
+
+			// Absolute URL
+			if ( /^https?:\/\//i.test( url ) ) {
+				return url;
+			}
+
+			return baseUrl + url;
+		};
+
+		for ( var prop in mat ) {
+
+			var value = mat[ prop ];
+
+			if ( value === '' ) continue;
+
+			switch ( prop.toLowerCase() ) {
+
+				// Ns is material specular exponent
+
+				case 'kd':
+
+					// Diffuse color (color under white light) using RGB values
+
+					params.color = new THREE.Color().fromArray( value );
+
+					break;
+
+				case 'ks':
+
+					// Specular color (color when light is reflected from shiny surface) using RGB values
+					params.specular = new THREE.Color().fromArray( value );
+
+					break;
+
+				case 'map_kd':
+
+					// Diffuse texture map
+
+					if ( params.map ) break; // Keep the first encountered texture
+
+					params.map = this.loadTexture( resolveURL( this.baseUrl, value ) );
+					params.map.wrapS = this.wrap;
+					params.map.wrapT = this.wrap;
+
+					break;
+
+				case 'ns':
+
+					// The specular exponent (defines the focus of the specular highlight)
+					// A high exponent results in a tight, concentrated highlight. Ns values normally range from 0 to 1000.
+
+					params.shininess = parseFloat( value );
+
+					break;
+
+				case 'd':
+
+					if ( value < 1 ) {
+
+						params.opacity = value;
+						params.transparent = true;
+
+					}
+
+					break;
+
+				case 'Tr':
+
+					if ( value > 0 ) {
+
+						params.opacity = 1 - value;
+						params.transparent = true;
+
+					}
+
+					break;
+
+				case 'map_bump':
+				case 'bump':
+
+					// Bump texture map
+
+					if ( params.bumpMap ) break; // Keep the first encountered texture
+
+					params.bumpMap = this.loadTexture( resolveURL( this.baseUrl, value ) );
+					params.bumpMap.wrapS = this.wrap;
+					params.bumpMap.wrapT = this.wrap;
+
+					break;
+
+				default:
+					break;
+
+			}
+
+		}
+
+		this.materials[ materialName ] = new THREE.MeshPhongMaterial( params );
+		return this.materials[ materialName ];
+
+	},
+
+	loadTexture: function ( url, mapping, onLoad, onProgress, onError ) {
+
+		var texture;
+		var loader = THREE.Loader.Handlers.get( url );
+		var manager = ( this.manager !== undefined ) ? this.manager : THREE.DefaultLoadingManager;
+
+		if ( loader === null ) {
+
+			loader = new THREE.TextureLoader( manager );
+
+		}
+
+		if ( loader.setCrossOrigin ) loader.setCrossOrigin( this.crossOrigin );
+		texture = loader.load( url, onLoad, onProgress, onError );
+
+		if ( mapping !== undefined ) texture.mapping = mapping;
+
+		return texture;
+
+	}
+
+};

clientLeap/libraries/toastr.min.js

@@ -0,0 +1,2 @@
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