initial commit

lib/core/BufferAttribute.js

@@ -0,0 +1,430 @@
+import { Vector4 } from '../math/Vector4.js';
+import { Vector3 } from '../math/Vector3.js';
+import { Vector2 } from '../math/Vector2.js';
+import { Color } from '../math/Color.js';
+
+/**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+function BufferAttribute( array, itemSize, normalized ) {
+
+	if ( Array.isArray( array ) ) {
+
+		throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );
+
+	}
+
+	this.name = '';
+
+	this.array = array;
+	this.itemSize = itemSize;
+	this.count = array !== undefined ? array.length / itemSize : 0;
+	this.normalized = normalized === true;
+
+	this.dynamic = false;
+	this.updateRange = { offset: 0, count: - 1 };
+
+	this.version = 0;
+
+}
+
+Object.defineProperty( BufferAttribute.prototype, 'needsUpdate', {
+
+	set: function ( value ) {
+
+		if ( value === true ) this.version ++;
+
+	}
+
+} );
+
+Object.assign( BufferAttribute.prototype, {
+
+	isBufferAttribute: true,
+
+	onUploadCallback: function () {},
+
+	setArray: function ( array ) {
+
+		if ( Array.isArray( array ) ) {
+
+			throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );
+
+		}
+
+		this.count = array !== undefined ? array.length / this.itemSize : 0;
+		this.array = array;
+
+		return this;
+
+	},
+
+	setDynamic: function ( value ) {
+
+		this.dynamic = value;
+
+		return this;
+
+	},
+
+	copy: function ( source ) {
+
+		this.name = source.name;
+		this.array = new source.array.constructor( source.array );
+		this.itemSize = source.itemSize;
+		this.count = source.count;
+		this.normalized = source.normalized;
+
+		this.dynamic = source.dynamic;
+
+		return this;
+
+	},
+
+	copyAt: function ( index1, attribute, index2 ) {
+
+		index1 *= this.itemSize;
+		index2 *= attribute.itemSize;
+
+		for ( var i = 0, l = this.itemSize; i < l; i ++ ) {
+
+			this.array[ index1 + i ] = attribute.array[ index2 + i ];
+
+		}
+
+		return this;
+
+	},
+
+	copyArray: function ( array ) {
+
+		this.array.set( array );
+
+		return this;
+
+	},
+
+	copyColorsArray: function ( colors ) {
+
+		var array = this.array, offset = 0;
+
+		for ( var i = 0, l = colors.length; i < l; i ++ ) {
+
+			var color = colors[ i ];
+
+			if ( color === undefined ) {
+
+				console.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );
+				color = new Color();
+
+			}
+
+			array[ offset ++ ] = color.r;
+			array[ offset ++ ] = color.g;
+			array[ offset ++ ] = color.b;
+
+		}
+
+		return this;
+
+	},
+
+	copyVector2sArray: function ( vectors ) {
+
+		var array = this.array, offset = 0;
+
+		for ( var i = 0, l = vectors.length; i < l; i ++ ) {
+
+			var vector = vectors[ i ];
+
+			if ( vector === undefined ) {
+
+				console.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );
+				vector = new Vector2();
+
+			}
+
+			array[ offset ++ ] = vector.x;
+			array[ offset ++ ] = vector.y;
+
+		}
+
+		return this;
+
+	},
+
+	copyVector3sArray: function ( vectors ) {
+
+		var array = this.array, offset = 0;
+
+		for ( var i = 0, l = vectors.length; i < l; i ++ ) {
+
+			var vector = vectors[ i ];
+
+			if ( vector === undefined ) {
+
+				console.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );
+				vector = new Vector3();
+
+			}
+
+			array[ offset ++ ] = vector.x;
+			array[ offset ++ ] = vector.y;
+			array[ offset ++ ] = vector.z;
+
+		}
+
+		return this;
+
+	},
+
+	copyVector4sArray: function ( vectors ) {
+
+		var array = this.array, offset = 0;
+
+		for ( var i = 0, l = vectors.length; i < l; i ++ ) {
+
+			var vector = vectors[ i ];
+
+			if ( vector === undefined ) {
+
+				console.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );
+				vector = new Vector4();
+
+			}
+
+			array[ offset ++ ] = vector.x;
+			array[ offset ++ ] = vector.y;
+			array[ offset ++ ] = vector.z;
+			array[ offset ++ ] = vector.w;
+
+		}
+
+		return this;
+
+	},
+
+	set: function ( value, offset ) {
+
+		if ( offset === undefined ) offset = 0;
+
+		this.array.set( value, offset );
+
+		return this;
+
+	},
+
+	getX: function ( index ) {
+
+		return this.array[ index * this.itemSize ];
+
+	},
+
+	setX: function ( index, x ) {
+
+		this.array[ index * this.itemSize ] = x;
+
+		return this;
+
+	},
+
+	getY: function ( index ) {
+
+		return this.array[ index * this.itemSize + 1 ];
+
+	},
+
+	setY: function ( index, y ) {
+
+		this.array[ index * this.itemSize + 1 ] = y;
+
+		return this;
+
+	},
+
+	getZ: function ( index ) {
+
+		return this.array[ index * this.itemSize + 2 ];
+
+	},
+
+	setZ: function ( index, z ) {
+
+		this.array[ index * this.itemSize + 2 ] = z;
+
+		return this;
+
+	},
+
+	getW: function ( index ) {
+
+		return this.array[ index * this.itemSize + 3 ];
+
+	},
+
+	setW: function ( index, w ) {
+
+		this.array[ index * this.itemSize + 3 ] = w;
+
+		return this;
+
+	},
+
+	setXY: function ( index, x, y ) {
+
+		index *= this.itemSize;
+
+		this.array[ index + 0 ] = x;
+		this.array[ index + 1 ] = y;
+
+		return this;
+
+	},
+
+	setXYZ: function ( index, x, y, z ) {
+
+		index *= this.itemSize;
+
+		this.array[ index + 0 ] = x;
+		this.array[ index + 1 ] = y;
+		this.array[ index + 2 ] = z;
+
+		return this;
+
+	},
+
+	setXYZW: function ( index, x, y, z, w ) {
+
+		index *= this.itemSize;
+
+		this.array[ index + 0 ] = x;
+		this.array[ index + 1 ] = y;
+		this.array[ index + 2 ] = z;
+		this.array[ index + 3 ] = w;
+
+		return this;
+
+	},
+
+	onUpload: function ( callback ) {
+
+		this.onUploadCallback = callback;
+
+		return this;
+
+	},
+
+	clone: function () {
+
+		return new this.constructor( this.array, this.itemSize ).copy( this );
+
+	}
+
+} );
+
+//
+
+function Int8BufferAttribute( array, itemSize, normalized ) {
+
+	BufferAttribute.call( this, new Int8Array( array ), itemSize, normalized );
+
+}
+
+Int8BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+Int8BufferAttribute.prototype.constructor = Int8BufferAttribute;
+
+
+function Uint8BufferAttribute( array, itemSize, normalized ) {
+
+	BufferAttribute.call( this, new Uint8Array( array ), itemSize, normalized );
+
+}
+
+Uint8BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+Uint8BufferAttribute.prototype.constructor = Uint8BufferAttribute;
+
+
+function Uint8ClampedBufferAttribute( array, itemSize, normalized ) {
+
+	BufferAttribute.call( this, new Uint8ClampedArray( array ), itemSize, normalized );
+
+}
+
+Uint8ClampedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+Uint8ClampedBufferAttribute.prototype.constructor = Uint8ClampedBufferAttribute;
+
+
+function Int16BufferAttribute( array, itemSize, normalized ) {
+
+	BufferAttribute.call( this, new Int16Array( array ), itemSize, normalized );
+
+}
+
+Int16BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+Int16BufferAttribute.prototype.constructor = Int16BufferAttribute;
+
+
+function Uint16BufferAttribute( array, itemSize, normalized ) {
+
+	BufferAttribute.call( this, new Uint16Array( array ), itemSize, normalized );
+
+}
+
+Uint16BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+Uint16BufferAttribute.prototype.constructor = Uint16BufferAttribute;
+
+
+function Int32BufferAttribute( array, itemSize, normalized ) {
+
+	BufferAttribute.call( this, new Int32Array( array ), itemSize, normalized );
+
+}
+
+Int32BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+Int32BufferAttribute.prototype.constructor = Int32BufferAttribute;
+
+
+function Uint32BufferAttribute( array, itemSize, normalized ) {
+
+	BufferAttribute.call( this, new Uint32Array( array ), itemSize, normalized );
+
+}
+
+Uint32BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+Uint32BufferAttribute.prototype.constructor = Uint32BufferAttribute;
+
+
+function Float32BufferAttribute( array, itemSize, normalized ) {
+
+	BufferAttribute.call( this, new Float32Array( array ), itemSize, normalized );
+
+}
+
+Float32BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+Float32BufferAttribute.prototype.constructor = Float32BufferAttribute;
+
+
+function Float64BufferAttribute( array, itemSize, normalized ) {
+
+	BufferAttribute.call( this, new Float64Array( array ), itemSize, normalized );
+
+}
+
+Float64BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+Float64BufferAttribute.prototype.constructor = Float64BufferAttribute;
+
+//
+
+export {
+	Float64BufferAttribute,
+	Float32BufferAttribute,
+	Uint32BufferAttribute,
+	Int32BufferAttribute,
+	Uint16BufferAttribute,
+	Int16BufferAttribute,
+	Uint8ClampedBufferAttribute,
+	Uint8BufferAttribute,
+	Int8BufferAttribute,
+	BufferAttribute
+};

lib/core/Clock.js

@@ -0,0 +1,73 @@
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+function Clock( autoStart ) {
+
+	this.autoStart = ( autoStart !== undefined ) ? autoStart : true;
+
+	this.startTime = 0;
+	this.oldTime = 0;
+	this.elapsedTime = 0;
+
+	this.running = false;
+
+}
+
+Object.assign( Clock.prototype, {
+
+	start: function () {
+
+		this.startTime = ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732
+
+		this.oldTime = this.startTime;
+		this.elapsedTime = 0;
+		this.running = true;
+
+	},
+
+	stop: function () {
+
+		this.getElapsedTime();
+		this.running = false;
+		this.autoStart = false;
+
+	},
+
+	getElapsedTime: function () {
+
+		this.getDelta();
+		return this.elapsedTime;
+
+	},
+
+	getDelta: function () {
+
+		var diff = 0;
+
+		if ( this.autoStart && ! this.running ) {
+
+			this.start();
+			return 0;
+
+		}
+
+		if ( this.running ) {
+
+			var newTime = ( typeof performance === 'undefined' ? Date : performance ).now();
+
+			diff = ( newTime - this.oldTime ) / 1000;
+			this.oldTime = newTime;
+
+			this.elapsedTime += diff;
+
+		}
+
+		return diff;
+
+	}
+
+} );
+
+
+export { Clock };

lib/core/DirectGeometry.js

@@ -0,0 +1,274 @@
+/**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+import { Vector2 } from '../math/Vector2.js';
+
+function DirectGeometry() {
+
+	this.vertices = [];
+	this.normals = [];
+	this.colors = [];
+	this.uvs = [];
+	this.uvs2 = [];
+
+	this.groups = [];
+
+	this.morphTargets = {};
+
+	this.skinWeights = [];
+	this.skinIndices = [];
+
+	// this.lineDistances = [];
+
+	this.boundingBox = null;
+	this.boundingSphere = null;
+
+	// update flags
+
+	this.verticesNeedUpdate = false;
+	this.normalsNeedUpdate = false;
+	this.colorsNeedUpdate = false;
+	this.uvsNeedUpdate = false;
+	this.groupsNeedUpdate = false;
+
+}
+
+Object.assign( DirectGeometry.prototype, {
+
+	computeGroups: function ( geometry ) {
+
+		var group;
+		var groups = [];
+		var materialIndex = undefined;
+
+		var faces = geometry.faces;
+
+		for ( var i = 0; i < faces.length; i ++ ) {
+
+			var face = faces[ i ];
+
+			// materials
+
+			if ( face.materialIndex !== materialIndex ) {
+
+				materialIndex = face.materialIndex;
+
+				if ( group !== undefined ) {
+
+					group.count = ( i * 3 ) - group.start;
+					groups.push( group );
+
+				}
+
+				group = {
+					start: i * 3,
+					materialIndex: materialIndex
+				};
+
+			}
+
+		}
+
+		if ( group !== undefined ) {
+
+			group.count = ( i * 3 ) - group.start;
+			groups.push( group );
+
+		}
+
+		this.groups = groups;
+
+	},
+
+	fromGeometry: function ( geometry ) {
+
+		var faces = geometry.faces;
+		var vertices = geometry.vertices;
+		var faceVertexUvs = geometry.faceVertexUvs;
+
+		var hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;
+		var hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;
+
+		// morphs
+
+		var morphTargets = geometry.morphTargets;
+		var morphTargetsLength = morphTargets.length;
+
+		var morphTargetsPosition;
+
+		if ( morphTargetsLength > 0 ) {
+
+			morphTargetsPosition = [];
+
+			for ( var i = 0; i < morphTargetsLength; i ++ ) {
+
+				morphTargetsPosition[ i ] = {
+					name: morphTargets[ i ].name,
+				 	data: []
+				};
+
+			}
+
+			this.morphTargets.position = morphTargetsPosition;
+
+		}
+
+		var morphNormals = geometry.morphNormals;
+		var morphNormalsLength = morphNormals.length;
+
+		var morphTargetsNormal;
+
+		if ( morphNormalsLength > 0 ) {
+
+			morphTargetsNormal = [];
+
+			for ( var i = 0; i < morphNormalsLength; i ++ ) {
+
+				morphTargetsNormal[ i ] = {
+					name: morphNormals[ i ].name,
+				 	data: []
+				};
+
+			}
+
+			this.morphTargets.normal = morphTargetsNormal;
+
+		}
+
+		// skins
+
+		var skinIndices = geometry.skinIndices;
+		var skinWeights = geometry.skinWeights;
+
+		var hasSkinIndices = skinIndices.length === vertices.length;
+		var hasSkinWeights = skinWeights.length === vertices.length;
+
+		//
+
+		if ( vertices.length > 0 && faces.length === 0 ) {
+
+			console.error( 'THREE.DirectGeometry: Faceless geometries are not supported.' );
+
+		}
+
+		for ( var i = 0; i < faces.length; i ++ ) {
+
+			var face = faces[ i ];
+
+			this.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );
+
+			var vertexNormals = face.vertexNormals;
+
+			if ( vertexNormals.length === 3 ) {
+
+				this.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );
+
+			} else {
+
+				var normal = face.normal;
+
+				this.normals.push( normal, normal, normal );
+
+			}
+
+			var vertexColors = face.vertexColors;
+
+			if ( vertexColors.length === 3 ) {
+
+				this.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );
+
+			} else {
+
+				var color = face.color;
+
+				this.colors.push( color, color, color );
+
+			}
+
+			if ( hasFaceVertexUv === true ) {
+
+				var vertexUvs = faceVertexUvs[ 0 ][ i ];
+
+				if ( vertexUvs !== undefined ) {
+
+					this.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );
+
+				} else {
+
+					console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );
+
+					this.uvs.push( new Vector2(), new Vector2(), new Vector2() );
+
+				}
+
+			}
+
+			if ( hasFaceVertexUv2 === true ) {
+
+				var vertexUvs = faceVertexUvs[ 1 ][ i ];
+
+				if ( vertexUvs !== undefined ) {
+
+					this.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );
+
+				} else {
+
+					console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );
+
+					this.uvs2.push( new Vector2(), new Vector2(), new Vector2() );
+
+				}
+
+			}
+
+			// morphs
+
+			for ( var j = 0; j < morphTargetsLength; j ++ ) {
+
+				var morphTarget = morphTargets[ j ].vertices;
+
+				morphTargetsPosition[ j ].data.push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );
+
+			}
+
+			for ( var j = 0; j < morphNormalsLength; j ++ ) {
+
+				var morphNormal = morphNormals[ j ].vertexNormals[ i ];
+
+				morphTargetsNormal[ j ].data.push( morphNormal.a, morphNormal.b, morphNormal.c );
+
+			}
+
+			// skins
+
+			if ( hasSkinIndices ) {
+
+				this.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );
+
+			}
+
+			if ( hasSkinWeights ) {
+
+				this.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );
+
+			}
+
+		}
+
+		this.computeGroups( geometry );
+
+		this.verticesNeedUpdate = geometry.verticesNeedUpdate;
+		this.normalsNeedUpdate = geometry.normalsNeedUpdate;
+		this.colorsNeedUpdate = geometry.colorsNeedUpdate;
+		this.uvsNeedUpdate = geometry.uvsNeedUpdate;
+		this.groupsNeedUpdate = geometry.groupsNeedUpdate;
+
+		return this;
+
+	}
+
+} );
+
+
+export { DirectGeometry };

lib/core/EventDispatcher.js

@@ -0,0 +1,86 @@
+/**
+ * https://github.com/mrdoob/eventdispatcher.js/
+ */
+
+function EventDispatcher() {}
+
+Object.assign( EventDispatcher.prototype, {
+
+	addEventListener: function ( type, listener ) {
+
+		if ( this._listeners === undefined ) this._listeners = {};
+
+		var listeners = this._listeners;
+
+		if ( listeners[ type ] === undefined ) {
+
+			listeners[ type ] = [];
+
+		}
+
+		if ( listeners[ type ].indexOf( listener ) === - 1 ) {
+
+			listeners[ type ].push( listener );
+
+		}
+
+	},
+
+	hasEventListener: function ( type, listener ) {
+
+		if ( this._listeners === undefined ) return false;
+
+		var listeners = this._listeners;
+
+		return listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;
+
+	},
+
+	removeEventListener: function ( type, listener ) {
+
+		if ( this._listeners === undefined ) return;
+
+		var listeners = this._listeners;
+		var listenerArray = listeners[ type ];
+
+		if ( listenerArray !== undefined ) {
+
+			var index = listenerArray.indexOf( listener );
+
+			if ( index !== - 1 ) {
+
+				listenerArray.splice( index, 1 );
+
+			}
+
+		}
+
+	},
+
+	dispatchEvent: function ( event ) {
+
+		if ( this._listeners === undefined ) return;
+
+		var listeners = this._listeners;
+		var listenerArray = listeners[ event.type ];
+
+		if ( listenerArray !== undefined ) {
+
+			event.target = this;
+
+			var array = listenerArray.slice( 0 );
+
+			for ( var i = 0, l = array.length; i < l; i ++ ) {
+
+				array[ i ].call( this, event );
+
+			}
+
+		}
+
+	}
+
+} );
+
+
+export { EventDispatcher };

lib/core/Face3.js

@@ -0,0 +1,63 @@
+import { Color } from '../math/Color.js';
+import { Vector3 } from '../math/Vector3.js';
+
+/**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+function Face3( a, b, c, normal, color, materialIndex ) {
+
+	this.a = a;
+	this.b = b;
+	this.c = c;
+
+	this.normal = ( normal && normal.isVector3 ) ? normal : new Vector3();
+	this.vertexNormals = Array.isArray( normal ) ? normal : [];
+
+	this.color = ( color && color.isColor ) ? color : new Color();
+	this.vertexColors = Array.isArray( color ) ? color : [];
+
+	this.materialIndex = materialIndex !== undefined ? materialIndex : 0;
+
+}
+
+Object.assign( Face3.prototype, {
+
+	clone: function () {
+
+		return new this.constructor().copy( this );
+
+	},
+
+	copy: function ( source ) {
+
+		this.a = source.a;
+		this.b = source.b;
+		this.c = source.c;
+
+		this.normal.copy( source.normal );
+		this.color.copy( source.color );
+
+		this.materialIndex = source.materialIndex;
+
+		for ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) {
+
+			this.vertexNormals[ i ] = source.vertexNormals[ i ].clone();
+
+		}
+
+		for ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) {
+
+			this.vertexColors[ i ] = source.vertexColors[ i ].clone();
+
+		}
+
+		return this;
+
+	}
+
+} );
+
+
+export { Face3 };

lib/core/InstancedBufferAttribute.js

@@ -0,0 +1,45 @@
+import { BufferAttribute } from './BufferAttribute.js';
+
+/**
+ * @author benaadams / https://twitter.com/ben_a_adams
+ */
+
+function InstancedBufferAttribute( array, itemSize, normalized, meshPerAttribute ) {
+
+	if ( typeof ( normalized ) === 'number' ) {
+
+		meshPerAttribute = normalized;
+
+		normalized = false;
+
+		console.error( 'THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.' );
+
+	}
+
+	BufferAttribute.call( this, array, itemSize, normalized );
+
+	this.meshPerAttribute = meshPerAttribute || 1;
+
+}
+
+InstancedBufferAttribute.prototype = Object.assign( Object.create( BufferAttribute.prototype ), {
+
+	constructor: InstancedBufferAttribute,
+
+	isInstancedBufferAttribute: true,
+
+	copy: function ( source ) {
+
+		BufferAttribute.prototype.copy.call( this, source );
+
+		this.meshPerAttribute = source.meshPerAttribute;
+
+		return this;
+
+	}
+
+} );
+
+
+
+export { InstancedBufferAttribute };

lib/core/InstancedBufferGeometry.js

@@ -0,0 +1,40 @@
+import { BufferGeometry } from './BufferGeometry.js';
+
+/**
+ * @author benaadams / https://twitter.com/ben_a_adams
+ */
+
+function InstancedBufferGeometry() {
+
+	BufferGeometry.call( this );
+
+	this.type = 'InstancedBufferGeometry';
+	this.maxInstancedCount = undefined;
+
+}
+
+InstancedBufferGeometry.prototype = Object.assign( Object.create( BufferGeometry.prototype ), {
+
+	constructor: InstancedBufferGeometry,
+
+	isInstancedBufferGeometry: true,
+
+	copy: function ( source ) {
+
+		BufferGeometry.prototype.copy.call( this, source );
+
+		this.maxInstancedCount = source.maxInstancedCount;
+
+		return this;
+
+	},
+
+	clone: function () {
+
+		return new this.constructor().copy( this );
+
+	}
+
+} );
+
+export { InstancedBufferGeometry };

lib/core/InstancedInterleavedBuffer.js

@@ -0,0 +1,33 @@
+import { InterleavedBuffer } from './InterleavedBuffer.js';
+
+/**
+ * @author benaadams / https://twitter.com/ben_a_adams
+ */
+
+function InstancedInterleavedBuffer( array, stride, meshPerAttribute ) {
+
+	InterleavedBuffer.call( this, array, stride );
+
+	this.meshPerAttribute = meshPerAttribute || 1;
+
+}
+
+InstancedInterleavedBuffer.prototype = Object.assign( Object.create( InterleavedBuffer.prototype ), {
+
+	constructor: InstancedInterleavedBuffer,
+
+	isInstancedInterleavedBuffer: true,
+
+	copy: function ( source ) {
+
+		InterleavedBuffer.prototype.copy.call( this, source );
+
+		this.meshPerAttribute = source.meshPerAttribute;
+
+		return this;
+
+	}
+
+} );
+
+export { InstancedInterleavedBuffer };

lib/core/InterleavedBuffer.js

@@ -0,0 +1,111 @@
+
+/**
+ * @author benaadams / https://twitter.com/ben_a_adams
+ */
+
+function InterleavedBuffer( array, stride ) {
+
+	this.array = array;
+	this.stride = stride;
+	this.count = array !== undefined ? array.length / stride : 0;
+
+	this.dynamic = false;
+	this.updateRange = { offset: 0, count: - 1 };
+
+	this.version = 0;
+
+}
+
+Object.defineProperty( InterleavedBuffer.prototype, 'needsUpdate', {
+
+	set: function ( value ) {
+
+		if ( value === true ) this.version ++;
+
+	}
+
+} );
+
+Object.assign( InterleavedBuffer.prototype, {
+
+	isInterleavedBuffer: true,
+
+	onUploadCallback: function () {},
+
+	setArray: function ( array ) {
+
+		if ( Array.isArray( array ) ) {
+
+			throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );
+
+		}
+
+		this.count = array !== undefined ? array.length / this.stride : 0;
+		this.array = array;
+
+		return this;
+
+	},
+
+	setDynamic: function ( value ) {
+
+		this.dynamic = value;
+
+		return this;
+
+	},
+
+	copy: function ( source ) {
+
+		this.array = new source.array.constructor( source.array );
+		this.count = source.count;
+		this.stride = source.stride;
+		this.dynamic = source.dynamic;
+
+		return this;
+
+	},
+
+	copyAt: function ( index1, attribute, index2 ) {
+
+		index1 *= this.stride;
+		index2 *= attribute.stride;
+
+		for ( var i = 0, l = this.stride; i < l; i ++ ) {
+
+			this.array[ index1 + i ] = attribute.array[ index2 + i ];
+
+		}
+
+		return this;
+
+	},
+
+	set: function ( value, offset ) {
+
+		if ( offset === undefined ) offset = 0;
+
+		this.array.set( value, offset );
+
+		return this;
+
+	},
+
+	clone: function () {
+
+		return new this.constructor().copy( this );
+
+	},
+
+	onUpload: function ( callback ) {
+
+		this.onUploadCallback = callback;
+
+		return this;
+
+	}
+
+} );
+
+
+export { InterleavedBuffer };

lib/core/InterleavedBufferAttribute.js

@@ -0,0 +1,139 @@
+
+/**
+ * @author benaadams / https://twitter.com/ben_a_adams
+ */
+
+function InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {
+
+	this.data = interleavedBuffer;
+	this.itemSize = itemSize;
+	this.offset = offset;
+
+	this.normalized = normalized === true;
+
+}
+
+Object.defineProperties( InterleavedBufferAttribute.prototype, {
+
+	count: {
+
+		get: function () {
+
+			return this.data.count;
+
+		}
+
+	},
+
+	array: {
+
+		get: function () {
+
+			return this.data.array;
+
+		}
+
+	}
+
+} );
+
+Object.assign( InterleavedBufferAttribute.prototype, {
+
+	isInterleavedBufferAttribute: true,
+
+	setX: function ( index, x ) {
+
+		this.data.array[ index * this.data.stride + this.offset ] = x;
+
+		return this;
+
+	},
+
+	setY: function ( index, y ) {
+
+		this.data.array[ index * this.data.stride + this.offset + 1 ] = y;
+
+		return this;
+
+	},
+
+	setZ: function ( index, z ) {
+
+		this.data.array[ index * this.data.stride + this.offset + 2 ] = z;
+
+		return this;
+
+	},
+
+	setW: function ( index, w ) {
+
+		this.data.array[ index * this.data.stride + this.offset + 3 ] = w;
+
+		return this;
+
+	},
+
+	getX: function ( index ) {
+
+		return this.data.array[ index * this.data.stride + this.offset ];
+
+	},
+
+	getY: function ( index ) {
+
+		return this.data.array[ index * this.data.stride + this.offset + 1 ];
+
+	},
+
+	getZ: function ( index ) {
+
+		return this.data.array[ index * this.data.stride + this.offset + 2 ];
+
+	},
+
+	getW: function ( index ) {
+
+		return this.data.array[ index * this.data.stride + this.offset + 3 ];
+
+	},
+
+	setXY: function ( index, x, y ) {
+
+		index = index * this.data.stride + this.offset;
+
+		this.data.array[ index + 0 ] = x;
+		this.data.array[ index + 1 ] = y;
+
+		return this;
+
+	},
+
+	setXYZ: function ( index, x, y, z ) {
+
+		index = index * this.data.stride + this.offset;
+
+		this.data.array[ index + 0 ] = x;
+		this.data.array[ index + 1 ] = y;
+		this.data.array[ index + 2 ] = z;
+
+		return this;
+
+	},
+
+	setXYZW: function ( index, x, y, z, w ) {
+
+		index = index * this.data.stride + this.offset;
+
+		this.data.array[ index + 0 ] = x;
+		this.data.array[ index + 1 ] = y;
+		this.data.array[ index + 2 ] = z;
+		this.data.array[ index + 3 ] = w;
+
+		return this;
+
+	}
+
+} );
+
+
+export { InterleavedBufferAttribute };

lib/core/Layers.js

@@ -0,0 +1,46 @@
+/**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+function Layers() {
+
+	this.mask = 1 | 0;
+
+}
+
+Object.assign( Layers.prototype, {
+
+	set: function ( channel ) {
+
+		this.mask = 1 << channel | 0;
+
+	},
+
+	enable: function ( channel ) {
+
+		this.mask |= 1 << channel | 0;
+
+	},
+
+	toggle: function ( channel ) {
+
+		this.mask ^= 1 << channel | 0;
+
+	},
+
+	disable: function ( channel ) {
+
+		this.mask &= ~ ( 1 << channel | 0 );
+
+	},
+
+	test: function ( layers ) {
+
+		return ( this.mask & layers.mask ) !== 0;
+
+	}
+
+} );
+
+
+export { Layers };

lib/core/Object3D.js

@@ -0,0 +1,893 @@
+import { Quaternion } from '../math/Quaternion.js';
+import { Vector3 } from '../math/Vector3.js';
+import { Matrix4 } from '../math/Matrix4.js';
+import { EventDispatcher } from './EventDispatcher.js';
+import { Euler } from '../math/Euler.js';
+import { Layers } from './Layers.js';
+import { Matrix3 } from '../math/Matrix3.js';
+import { _Math } from '../math/Math.js';
+
+/**
+ * @author mrdoob / http://mrdoob.com/
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ * @author WestLangley / http://github.com/WestLangley
+ * @author elephantatwork / www.elephantatwork.ch
+ */
+
+var object3DId = 0;
+
+function Object3D() {
+
+	Object.defineProperty( this, 'id', { value: object3DId ++ } );
+
+	this.uuid = _Math.generateUUID();
+
+	this.name = '';
+	this.type = 'Object3D';
+
+	this.parent = null;
+	this.children = [];
+
+	this.up = Object3D.DefaultUp.clone();
+
+	var position = new Vector3();
+	var rotation = new Euler();
+	var quaternion = new Quaternion();
+	var scale = new Vector3( 1, 1, 1 );
+
+	function onRotationChange() {
+
+		quaternion.setFromEuler( rotation, false );
+
+	}
+
+	function onQuaternionChange() {
+
+		rotation.setFromQuaternion( quaternion, undefined, false );
+
+	}
+
+	rotation.onChange( onRotationChange );
+	quaternion.onChange( onQuaternionChange );
+
+	Object.defineProperties( this, {
+		position: {
+			configurable: true,
+			enumerable: true,
+			value: position
+		},
+		rotation: {
+			configurable: true,
+			enumerable: true,
+			value: rotation
+		},
+		quaternion: {
+			configurable: true,
+			enumerable: true,
+			value: quaternion
+		},
+		scale: {
+			configurable: true,
+			enumerable: true,
+			value: scale
+		},
+		modelViewMatrix: {
+			value: new Matrix4()
+		},
+		normalMatrix: {
+			value: new Matrix3()
+		}
+	} );
+
+	this.matrix = new Matrix4();
+	this.matrixWorld = new Matrix4();
+
+	this.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;
+	this.matrixWorldNeedsUpdate = false;
+
+	this.layers = new Layers();
+	this.visible = true;
+
+	this.castShadow = false;
+	this.receiveShadow = false;
+
+	this.frustumCulled = true;
+	this.renderOrder = 0;
+
+	this.userData = {};
+
+}
+
+Object3D.DefaultUp = new Vector3( 0, 1, 0 );
+Object3D.DefaultMatrixAutoUpdate = true;
+
+Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ), {
+
+	constructor: Object3D,
+
+	isObject3D: true,
+
+	onBeforeRender: function () {},
+	onAfterRender: function () {},
+
+	applyMatrix: function ( matrix ) {
+
+		this.matrix.multiplyMatrices( matrix, this.matrix );
+
+		this.matrix.decompose( this.position, this.quaternion, this.scale );
+
+	},
+
+	applyQuaternion: function ( q ) {
+
+		this.quaternion.premultiply( q );
+
+		return this;
+
+	},
+
+	setRotationFromAxisAngle: function ( axis, angle ) {
+
+		// assumes axis is normalized
+
+		this.quaternion.setFromAxisAngle( axis, angle );
+
+	},
+
+	setRotationFromEuler: function ( euler ) {
+
+		this.quaternion.setFromEuler( euler, true );
+
+	},
+
+	setRotationFromMatrix: function ( m ) {
+
+		// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
+
+		this.quaternion.setFromRotationMatrix( m );
+
+	},
+
+	setRotationFromQuaternion: function ( q ) {
+
+		// assumes q is normalized
+
+		this.quaternion.copy( q );
+
+	},
+
+	rotateOnAxis: function () {
+
+		// rotate object on axis in object space
+		// axis is assumed to be normalized
+
+		var q1 = new Quaternion();
+
+		return function rotateOnAxis( axis, angle ) {
+
+			q1.setFromAxisAngle( axis, angle );
+
+			this.quaternion.multiply( q1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	rotateOnWorldAxis: function () {
+
+		// rotate object on axis in world space
+		// axis is assumed to be normalized
+		// method assumes no rotated parent
+
+		var q1 = new Quaternion();
+
+		return function rotateOnWorldAxis( axis, angle ) {
+
+			q1.setFromAxisAngle( axis, angle );
+
+			this.quaternion.premultiply( q1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	rotateX: function () {
+
+		var v1 = new Vector3( 1, 0, 0 );
+
+		return function rotateX( angle ) {
+
+			return this.rotateOnAxis( v1, angle );
+
+		};
+
+	}(),
+
+	rotateY: function () {
+
+		var v1 = new Vector3( 0, 1, 0 );
+
+		return function rotateY( angle ) {
+
+			return this.rotateOnAxis( v1, angle );
+
+		};
+
+	}(),
+
+	rotateZ: function () {
+
+		var v1 = new Vector3( 0, 0, 1 );
+
+		return function rotateZ( angle ) {
+
+			return this.rotateOnAxis( v1, angle );
+
+		};
+
+	}(),
+
+	translateOnAxis: function () {
+
+		// translate object by distance along axis in object space
+		// axis is assumed to be normalized
+
+		var v1 = new Vector3();
+
+		return function translateOnAxis( axis, distance ) {
+
+			v1.copy( axis ).applyQuaternion( this.quaternion );
+
+			this.position.add( v1.multiplyScalar( distance ) );
+
+			return this;
+
+		};
+
+	}(),
+
+	translateX: function () {
+
+		var v1 = new Vector3( 1, 0, 0 );
+
+		return function translateX( distance ) {
+
+			return this.translateOnAxis( v1, distance );
+
+		};
+
+	}(),
+
+	translateY: function () {
+
+		var v1 = new Vector3( 0, 1, 0 );
+
+		return function translateY( distance ) {
+
+			return this.translateOnAxis( v1, distance );
+
+		};
+
+	}(),
+
+	translateZ: function () {
+
+		var v1 = new Vector3( 0, 0, 1 );
+
+		return function translateZ( distance ) {
+
+			return this.translateOnAxis( v1, distance );
+
+		};
+
+	}(),
+
+	localToWorld: function ( vector ) {
+
+		return vector.applyMatrix4( this.matrixWorld );
+
+	},
+
+	worldToLocal: function () {
+
+		var m1 = new Matrix4();
+
+		return function worldToLocal( vector ) {
+
+			return vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );
+
+		};
+
+	}(),
+
+	lookAt: function () {
+
+		// This method does not support objects having non-uniformly-scaled parent(s)
+
+		var q1 = new Quaternion();
+		var m1 = new Matrix4();
+		var target = new Vector3();
+		var position = new Vector3();
+
+		return function lookAt( x, y, z ) {
+
+			if ( x.isVector3 ) {
+
+				target.copy( x );
+
+			} else {
+
+				target.set( x, y, z );
+
+			}
+
+			var parent = this.parent;
+
+			this.updateWorldMatrix( true, false );
+
+			position.setFromMatrixPosition( this.matrixWorld );
+
+			if ( this.isCamera ) {
+
+				m1.lookAt( position, target, this.up );
+
+			} else {
+
+				m1.lookAt( target, position, this.up );
+
+			}
+
+			this.quaternion.setFromRotationMatrix( m1 );
+
+			if ( parent ) {
+
+				m1.extractRotation( parent.matrixWorld );
+				q1.setFromRotationMatrix( m1 );
+				this.quaternion.premultiply( q1.inverse() );
+
+			}
+
+		};
+
+	}(),
+
+	add: function ( object ) {
+
+		if ( arguments.length > 1 ) {
+
+			for ( var i = 0; i < arguments.length; i ++ ) {
+
+				this.add( arguments[ i ] );
+
+			}
+
+			return this;
+
+		}
+
+		if ( object === this ) {
+
+			console.error( "THREE.Object3D.add: object can't be added as a child of itself.", object );
+			return this;
+
+		}
+
+		if ( ( object && object.isObject3D ) ) {
+
+			if ( object.parent !== null ) {
+
+				object.parent.remove( object );
+
+			}
+
+			object.parent = this;
+			object.dispatchEvent( { type: 'added' } );
+
+			this.children.push( object );
+
+		} else {
+
+			console.error( "THREE.Object3D.add: object not an instance of THREE.Object3D.", object );
+
+		}
+
+		return this;
+
+	},
+
+	remove: function ( object ) {
+
+		if ( arguments.length > 1 ) {
+
+			for ( var i = 0; i < arguments.length; i ++ ) {
+
+				this.remove( arguments[ i ] );
+
+			}
+
+			return this;
+
+		}
+
+		var index = this.children.indexOf( object );
+
+		if ( index !== - 1 ) {
+
+			object.parent = null;
+
+			object.dispatchEvent( { type: 'removed' } );
+
+			this.children.splice( index, 1 );
+
+		}
+
+		return this;
+
+	},
+
+	getObjectById: function ( id ) {
+
+		return this.getObjectByProperty( 'id', id );
+
+	},
+
+	getObjectByName: function ( name ) {
+
+		return this.getObjectByProperty( 'name', name );
+
+	},
+
+	getObjectByProperty: function ( name, value ) {
+
+		if ( this[ name ] === value ) return this;
+
+		for ( var i = 0, l = this.children.length; i < l; i ++ ) {
+
+			var child = this.children[ i ];
+			var object = child.getObjectByProperty( name, value );
+
+			if ( object !== undefined ) {
+
+				return object;
+
+			}
+
+		}
+
+		return undefined;
+
+	},
+
+	getWorldPosition: function ( target ) {
+
+		if ( target === undefined ) {
+
+			console.warn( 'THREE.Object3D: .getWorldPosition() target is now required' );
+			target = new Vector3();
+
+		}
+
+		this.updateMatrixWorld( true );
+
+		return target.setFromMatrixPosition( this.matrixWorld );
+
+	},
+
+	getWorldQuaternion: function () {
+
+		var position = new Vector3();
+		var scale = new Vector3();
+
+		return function getWorldQuaternion( target ) {
+
+			if ( target === undefined ) {
+
+				console.warn( 'THREE.Object3D: .getWorldQuaternion() target is now required' );
+				target = new Quaternion();
+
+			}
+
+			this.updateMatrixWorld( true );
+
+			this.matrixWorld.decompose( position, target, scale );
+
+			return target;
+
+		};
+
+	}(),
+
+	getWorldScale: function () {
+
+		var position = new Vector3();
+		var quaternion = new Quaternion();
+
+		return function getWorldScale( target ) {
+
+			if ( target === undefined ) {
+
+				console.warn( 'THREE.Object3D: .getWorldScale() target is now required' );
+				target = new Vector3();
+
+			}
+
+			this.updateMatrixWorld( true );
+
+			this.matrixWorld.decompose( position, quaternion, target );
+
+			return target;
+
+		};
+
+	}(),
+
+	getWorldDirection: function ( target ) {
+
+		if ( target === undefined ) {
+
+			console.warn( 'THREE.Object3D: .getWorldDirection() target is now required' );
+			target = new Vector3();
+
+		}
+
+		this.updateMatrixWorld( true );
+
+		var e = this.matrixWorld.elements;
+
+		return target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();
+
+	},
+
+	raycast: function () {},
+
+	traverse: function ( callback ) {
+
+		callback( this );
+
+		var children = this.children;
+
+		for ( var i = 0, l = children.length; i < l; i ++ ) {
+
+			children[ i ].traverse( callback );
+
+		}
+
+	},
+
+	traverseVisible: function ( callback ) {
+
+		if ( this.visible === false ) return;
+
+		callback( this );
+
+		var children = this.children;
+
+		for ( var i = 0, l = children.length; i < l; i ++ ) {
+
+			children[ i ].traverseVisible( callback );
+
+		}
+
+	},
+
+	traverseAncestors: function ( callback ) {
+
+		var parent = this.parent;
+
+		if ( parent !== null ) {
+
+			callback( parent );
+
+			parent.traverseAncestors( callback );
+
+		}
+
+	},
+
+	updateMatrix: function () {
+
+		this.matrix.compose( this.position, this.quaternion, this.scale );
+
+		this.matrixWorldNeedsUpdate = true;
+
+	},
+
+	updateMatrixWorld: function ( force ) {
+
+		if ( this.matrixAutoUpdate ) this.updateMatrix();
+
+		if ( this.matrixWorldNeedsUpdate || force ) {
+
+			if ( this.parent === null ) {
+
+				this.matrixWorld.copy( this.matrix );
+
+			} else {
+
+				this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );
+
+			}
+
+			this.matrixWorldNeedsUpdate = false;
+
+			force = true;
+
+		}
+
+		// update children
+
+		var children = this.children;
+
+		for ( var i = 0, l = children.length; i < l; i ++ ) {
+
+			children[ i ].updateMatrixWorld( force );
+
+		}
+
+	},
+
+	updateWorldMatrix: function ( updateParents, updateChildren ) {
+
+		var parent = this.parent;
+
+		if ( updateParents === true && parent !== null ) {
+
+			parent.updateWorldMatrix( true, false );
+
+		}
+
+		if ( this.matrixAutoUpdate ) this.updateMatrix();
+
+		if ( this.parent === null ) {
+
+			this.matrixWorld.copy( this.matrix );
+
+		} else {
+
+			this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );
+
+		}
+
+		// update children
+
+		if ( updateChildren === true ) {
+
+			var children = this.children;
+
+			for ( var i = 0, l = children.length; i < l; i ++ ) {
+
+				children[ i ].updateWorldMatrix( false, true );
+
+			}
+
+		}
+
+	},
+
+	toJSON: function ( meta ) {
+
+		// meta is a string when called from JSON.stringify
+		var isRootObject = ( meta === undefined || typeof meta === 'string' );
+
+		var output = {};
+
+		// meta is a hash used to collect geometries, materials.
+		// not providing it implies that this is the root object
+		// being serialized.
+		if ( isRootObject ) {
+
+			// initialize meta obj
+			meta = {
+				geometries: {},
+				materials: {},
+				textures: {},
+				images: {},
+				shapes: {}
+			};
+
+			output.metadata = {
+				version: 4.5,
+				type: 'Object',
+				generator: 'Object3D.toJSON'
+			};
+
+		}
+
+		// standard Object3D serialization
+
+		var object = {};
+
+		object.uuid = this.uuid;
+		object.type = this.type;
+
+		if ( this.name !== '' ) object.name = this.name;
+		if ( this.castShadow === true ) object.castShadow = true;
+		if ( this.receiveShadow === true ) object.receiveShadow = true;
+		if ( this.visible === false ) object.visible = false;
+		if ( this.frustumCulled === false ) object.frustumCulled = false;
+		if ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder;
+		if ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;
+
+		object.layers = this.layers.mask;
+		object.matrix = this.matrix.toArray();
+
+		if ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false;
+
+		//
+
+		function serialize( library, element ) {
+
+			if ( library[ element.uuid ] === undefined ) {
+
+				library[ element.uuid ] = element.toJSON( meta );
+
+			}
+
+			return element.uuid;
+
+		}
+
+		if ( this.isMesh || this.isLine || this.isPoints ) {
+
+			object.geometry = serialize( meta.geometries, this.geometry );
+
+			var parameters = this.geometry.parameters;
+
+			if ( parameters !== undefined && parameters.shapes !== undefined ) {
+
+				var shapes = parameters.shapes;
+
+				if ( Array.isArray( shapes ) ) {
+
+					for ( var i = 0, l = shapes.length; i < l; i ++ ) {
+
+						var shape = shapes[ i ];
+
+						serialize( meta.shapes, shape );
+
+					}
+
+				} else {
+
+					serialize( meta.shapes, shapes );
+
+				}
+
+			}
+
+		}
+
+		if ( this.material !== undefined ) {
+
+			if ( Array.isArray( this.material ) ) {
+
+				var uuids = [];
+
+				for ( var i = 0, l = this.material.length; i < l; i ++ ) {
+
+					uuids.push( serialize( meta.materials, this.material[ i ] ) );
+
+				}
+
+				object.material = uuids;
+
+			} else {
+
+				object.material = serialize( meta.materials, this.material );
+
+			}
+
+		}
+
+		//
+
+		if ( this.children.length > 0 ) {
+
+			object.children = [];
+
+			for ( var i = 0; i < this.children.length; i ++ ) {
+
+				object.children.push( this.children[ i ].toJSON( meta ).object );
+
+			}
+
+		}
+
+		if ( isRootObject ) {
+
+			var geometries = extractFromCache( meta.geometries );
+			var materials = extractFromCache( meta.materials );
+			var textures = extractFromCache( meta.textures );
+			var images = extractFromCache( meta.images );
+			var shapes = extractFromCache( meta.shapes );
+
+			if ( geometries.length > 0 ) output.geometries = geometries;
+			if ( materials.length > 0 ) output.materials = materials;
+			if ( textures.length > 0 ) output.textures = textures;
+			if ( images.length > 0 ) output.images = images;
+			if ( shapes.length > 0 ) output.shapes = shapes;
+
+		}
+
+		output.object = object;
+
+		return output;
+
+		// extract data from the cache hash
+		// remove metadata on each item
+		// and return as array
+		function extractFromCache( cache ) {
+
+			var values = [];
+			for ( var key in cache ) {
+
+				var data = cache[ key ];
+				delete data.metadata;
+				values.push( data );
+
+			}
+			return values;
+
+		}
+
+	},
+
+	clone: function ( recursive ) {
+
+		return new this.constructor().copy( this, recursive );
+
+	},
+
+	copy: function ( source, recursive ) {
+
+		if ( recursive === undefined ) recursive = true;
+
+		this.name = source.name;
+
+		this.up.copy( source.up );
+
+		this.position.copy( source.position );
+		this.quaternion.copy( source.quaternion );
+		this.scale.copy( source.scale );
+
+		this.matrix.copy( source.matrix );
+		this.matrixWorld.copy( source.matrixWorld );
+
+		this.matrixAutoUpdate = source.matrixAutoUpdate;
+		this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;
+
+		this.layers.mask = source.layers.mask;
+		this.visible = source.visible;
+
+		this.castShadow = source.castShadow;
+		this.receiveShadow = source.receiveShadow;
+
+		this.frustumCulled = source.frustumCulled;
+		this.renderOrder = source.renderOrder;
+
+		this.userData = JSON.parse( JSON.stringify( source.userData ) );
+
+		if ( recursive === true ) {
+
+			for ( var i = 0; i < source.children.length; i ++ ) {
+
+				var child = source.children[ i ];
+				this.add( child.clone() );
+
+			}
+
+		}
+
+		return this;
+
+	}
+
+} );
+
+
+export { Object3D };

lib/core/Raycaster.js

@@ -0,0 +1,134 @@
+import { Ray } from '../math/Ray.js';
+
+/**
+ * @author mrdoob / http://mrdoob.com/
+ * @author bhouston / http://clara.io/
+ * @author stephomi / http://stephaneginier.com/
+ */
+
+function Raycaster( origin, direction, near, far ) {
+
+	this.ray = new Ray( origin, direction );
+	// direction is assumed to be normalized (for accurate distance calculations)
+
+	this.near = near || 0;
+	this.far = far || Infinity;
+
+	this.params = {
+		Mesh: {},
+		Line: {},
+		LOD: {},
+		Points: { threshold: 1 },
+		Sprite: {}
+	};
+
+	Object.defineProperties( this.params, {
+		PointCloud: {
+			get: function () {
+
+				console.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' );
+				return this.Points;
+
+			}
+		}
+	} );
+
+}
+
+function ascSort( a, b ) {
+
+	return a.distance - b.distance;
+
+}
+
+function intersectObject( object, raycaster, intersects, recursive ) {
+
+	if ( object.visible === false ) return;
+
+	object.raycast( raycaster, intersects );
+
+	if ( recursive === true ) {
+
+		var children = object.children;
+
+		for ( var i = 0, l = children.length; i < l; i ++ ) {
+
+			intersectObject( children[ i ], raycaster, intersects, true );
+
+		}
+
+	}
+
+}
+
+Object.assign( Raycaster.prototype, {
+
+	linePrecision: 1,
+
+	set: function ( origin, direction ) {
+
+		// direction is assumed to be normalized (for accurate distance calculations)
+
+		this.ray.set( origin, direction );
+
+	},
+
+	setFromCamera: function ( coords, camera ) {
+
+		if ( ( camera && camera.isPerspectiveCamera ) ) {
+
+			this.ray.origin.setFromMatrixPosition( camera.matrixWorld );
+			this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();
+
+		} else if ( ( camera && camera.isOrthographicCamera ) ) {
+
+			this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera
+			this.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );
+
+		} else {
+
+			console.error( 'THREE.Raycaster: Unsupported camera type.' );
+
+		}
+
+	},
+
+	intersectObject: function ( object, recursive, optionalTarget ) {
+
+		var intersects = optionalTarget || [];
+
+		intersectObject( object, this, intersects, recursive );
+
+		intersects.sort( ascSort );
+
+		return intersects;
+
+	},
+
+	intersectObjects: function ( objects, recursive, optionalTarget ) {
+
+		var intersects = optionalTarget || [];
+
+		if ( Array.isArray( objects ) === false ) {
+
+			console.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' );
+			return intersects;
+
+		}
+
+		for ( var i = 0, l = objects.length; i < l; i ++ ) {
+
+			intersectObject( objects[ i ], this, intersects, recursive );
+
+		}
+
+		intersects.sort( ascSort );
+
+		return intersects;
+
+	}
+
+} );
+
+
+export { Raycaster };

lib/core/Uniform.js

@@ -0,0 +1,24 @@
+/**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+function Uniform( value ) {
+
+	if ( typeof value === 'string' ) {
+
+		console.warn( 'THREE.Uniform: Type parameter is no longer needed.' );
+		value = arguments[ 1 ];
+
+	}
+
+	this.value = value;
+
+}
+
+Uniform.prototype.clone = function () {
+
+	return new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );
+
+};
+
+export { Uniform };