6 年之前 · 2b6d945913
--- a/build/three.js
+++ b/build/three.js
--- a/build/three.min.js
+++ b/build/three.min.js
--- a/build/three.module.js
+++ b/build/three.module.js
--- a/docs/api/en/audio/Audio.html
+++ b/docs/api/en/audio/Audio.html
@@ -91,6 +91,9 @@
 
				 		<h3>[property:Number offset]</h3>
			
 
				 		<p>An offset to the time within the audio buffer that playback should begin. Same as the *offset* paramter of [link:https://developer.mozilla.org/en-US/docs/Web/API/AudioBufferSourceNode/start AudioBufferSourceNode.start](). Default is *0*.</p>
			
 
				 
			
 
				+		<h3>[property:Number duration]</h3>
			
 
				+		<p>Overrides the duration of the audio. Same as the *duration* paramter of [link:https://developer.mozilla.org/en-US/docs/Web/API/AudioBufferSourceNode/start AudioBufferSourceNode.start](). Default is *undefined* to play the whole buffer.</p>
			
 
				+
			
 
				 		<h3>[property:String source]</h3>
			
 
				 		<p>An [link:https://developer.mozilla.org/en-US/docs/Web/API/AudioBufferSourceNode AudioBufferSourceNode] created
			
 
				 		using [link:https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/createBufferSource AudioContext.createBufferSource]().</p>
			
--- a/docs/api/en/core/Raycaster.html
+++ b/docs/api/en/core/Raycaster.html
@@ -103,6 +103,14 @@
 
				 		This value shouldn't be negative and should be smaller than the far property.
			
 
				 		</p>
			
 
				 
			
 
				+		<h3>[property:Camera camera]</h3>
			
 
				+		<p>
			
 
				+		The camera to use when raycasting against view-dependent objects such as billboarded objects like [page:Sprites]. This field
			
 
				+		can be set manually or is set when calling "setFromCamera".
			
 
				+
			
 
				+		Defaults to null.
			
 
				+		</p>
			
 
				+
			
 
				 		<h3>[property:Object params]</h3>
			
 
				 		<p>
			
 
				 		An object with the following properties:
			
--- a/docs/api/en/scenes/FogExp2.html
+++ b/docs/api/en/scenes/FogExp2.html
@@ -10,7 +10,7 @@
 
				 	<body>
			
 
				 		<h1>[name]</h1>
			
 
				 
			
 
				-		<p class="desc">This class contains the parameters that define exponential fog, i.e., that grows exponentially denser with the distance.</p>
			
 
				+		<p class="desc">This class contains the parameters that define exponential squared fog, which gives a clear view near the camera and a faster than exponentially densening fog farther from the camera.</p>
			
 
				 
			
 
				 
			
 
				 		<h2>Constructor</h2>
			
--- a/docs/manual/en/introduction/How-to-use-WebGL2.html
+++ b/docs/manual/en/introduction/How-to-use-WebGL2.html
@@ -48,9 +48,14 @@ if ( WEBGL.isWebGL2Available() === false ) {
 
				 		automatically convert the built-in material's shader code to GLSL ES 3.00.
			
 
				 	</p>
			
 
				 
			
 
				+	<p>
			
 
				+		Since you are manually creating the WebGL 2 rendering context, you also have to pass in all necessary context attributes.
			
 
				+		Note: It's not possible to modify these attributes after the context has been created, so passing them to the WebGLRenderer won't have any effect.
			
 
				+	</p>
			
 
				+
			
 
				 	<code>
			
 
				 var canvas = document.createElement( 'canvas' );
			
 
				-var context = canvas.getContext( 'webgl2' );
			
 
				+var context = canvas.getContext( 'webgl2', { alpha: false } );
			
 
				 var renderer = new THREE.WebGLRenderer( { canvas: canvas, context: context } );
			
 
				 	</code>
			
 
				 
			
--- a/examples/js/controls/DragControls.js
+++ b/examples/js/controls/DragControls.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author zz85 / https://github.com/zz85
			
 
				  * @author mrdoob / http://mrdoob.com
			
 
				  * Running this will allow you to drag three.js objects around the screen.
			
--- a/examples/js/controls/OrthographicTrackballControls.js
+++ b/examples/js/controls/OrthographicTrackballControls.js
@@ -265,7 +265,7 @@ THREE.OrthographicTrackballControls = function ( object, domElement ) {
 
				 
			
 
				 			mouseChange.copy( _panEnd ).sub( _panStart );
			
 
				 
			
 
				-			if ( mouseChange.lengthSq() ) {
			
 
				+			if ( mouseChange.lengthSq() > EPS ) {
			
 
				 
			
 
				 				// Scale movement to keep clicked/dragged position under cursor
			
 
				 				var scale_x = ( _this.object.right - _this.object.left ) / _this.object.zoom;
			
--- a/examples/js/curves/CurveExtras.js
+++ b/examples/js/curves/CurveExtras.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * A bunch of parametric curves
			
 
				  * @author zz85
			
 
				  *
			
--- a/examples/js/effects/AsciiEffect.js
+++ b/examples/js/effects/AsciiEffect.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author zz85 / https://github.com/zz85
			
 
				  *
			
 
				  * Ascii generation is based on http://www.nihilogic.dk/labs/jsascii/
			
--- a/examples/js/exporters/ColladaExporter.js
+++ b/examples/js/exporters/ColladaExporter.js
@@ -485,7 +485,7 @@ THREE.ColladaExporter.prototype = {
 
				 
			
 
				 					(
			
 
				 						m.side === THREE.DoubleSide ?
			
 
				-							`<extra><technique><double_sided sid="double_sided" type="int">1</double_sided></technique></extra>` :
			
 
				+							`<extra><technique profile="THREEJS"><double_sided sid="double_sided" type="int">1</double_sided></technique></extra>` :
			
 
				 							''
			
 
				 					) +
			
 
				 
			
--- a/examples/js/exporters/GLTFExporter.js
+++ b/examples/js/exporters/GLTFExporter.js
@@ -895,7 +895,7 @@ THREE.GLTFExporter.prototype = {
 
				 
			
 
				 			}
			
 
				 
			
 
				-			if ( material.isShaderMaterial ) {
			
 
				+			if ( material.isShaderMaterial && !material.isGLTFSpecularGlossinessMaterial ) {
			
 
				 
			
 
				 				console.warn( 'GLTFExporter: THREE.ShaderMaterial not supported.' );
			
 
				 				return null;
			
@@ -915,6 +915,12 @@ THREE.GLTFExporter.prototype = {
 
				 
			
 
				 				extensionsUsed[ 'KHR_materials_unlit' ] = true;
			
 
				 
			
 
				+			} else if ( material.isGLTFSpecularGlossinessMaterial ) {
			
 
				+
			
 
				+				gltfMaterial.extensions = { KHR_materials_pbrSpecularGlossiness: {} };
			
 
				+
			
 
				+				extensionsUsed[ 'KHR_materials_pbrSpecularGlossiness' ] = true;
			
 
				+
			
 
				 			} else if ( ! material.isMeshStandardMaterial ) {
			
 
				 
			
 
				 				console.warn( 'GLTFExporter: Use MeshStandardMaterial or MeshBasicMaterial for best results.' );
			
@@ -947,6 +953,23 @@ THREE.GLTFExporter.prototype = {
 
				 
			
 
				 			}
			
 
				 
			
 
				+			// pbrSpecularGlossiness diffuse, specular and glossiness factor
			
 
				+			if ( material.isGLTFSpecularGlossinessMaterial ) {
			
 
				+				
			
 
				+				if ( gltfMaterial.pbrMetallicRoughness.baseColorFactor ) {
			
 
				+
			
 
				+					gltfMaterial.extensions.KHR_materials_pbrSpecularGlossiness.diffuseFactor = gltfMaterial.pbrMetallicRoughness.baseColorFactor;
			
 
				+				  
			
 
				+				}
			
 
				+
			
 
				+				var specularFactor = [ 1, 1, 1 ];
			
 
				+				material.specular.toArray( specularFactor, 0 );
			
 
				+				gltfMaterial.extensions.KHR_materials_pbrSpecularGlossiness.specularFactor = specularFactor;
			
 
				+
			
 
				+				gltfMaterial.extensions.KHR_materials_pbrSpecularGlossiness.glossinessFactor = material.glossiness;
			
 
				+			
			
 
				+			}
			
 
				+
			
 
				 			// pbrMetallicRoughness.metallicRoughnessTexture
			
 
				 			if ( material.metalnessMap || material.roughnessMap ) {
			
 
				 
			
@@ -964,12 +987,28 @@ THREE.GLTFExporter.prototype = {
 
				 
			
 
				 			}
			
 
				 
			
 
				-			// pbrMetallicRoughness.baseColorTexture
			
 
				+			// pbrMetallicRoughness.baseColorTexture or pbrSpecularGlossiness diffuseTexture
			
 
				 			if ( material.map ) {
			
 
				 
			
 
				 				var baseColorMapDef = { index: processTexture( material.map ) };
			
 
				 				applyTextureTransform( baseColorMapDef, material.map );
			
 
				+
			
 
				+				if ( material.isGLTFSpecularGlossinessMaterial ) {
			
 
				+
			
 
				+					gltfMaterial.extensions.KHR_materials_pbrSpecularGlossiness.diffuseTexture = baseColorMapDef;
			
 
				+
			
 
				+				}
			
 
				+
			
 
				 				gltfMaterial.pbrMetallicRoughness.baseColorTexture = baseColorMapDef;
			
 
				+				
			
 
				+			}
			
 
				+
			
 
				+			// pbrSpecularGlossiness specular map
			
 
				+			if ( material.isGLTFSpecularGlossinessMaterial && material.specularMap ) {
			
 
				+
			
 
				+				var specularMapDef = { index: processTexture( material.specularMap ) };
			
 
				+				applyTextureTransform( specularMapDef, material.specularMap );
			
 
				+				gltfMaterial.extensions.KHR_materials_pbrSpecularGlossiness.specularGlossinessTexture = specularMapDef;
			
 
				 
			
 
				 			}
			
 
				 
			
@@ -1004,7 +1043,7 @@ THREE.GLTFExporter.prototype = {
 
				 
			
 
				 				var normalMapDef = { index: processTexture( material.normalMap ) };
			
 
				 
			
 
				-				if ( material.normalScale.x !== - 1 ) {
			
 
				+				if ( material.normalScale && material.normalScale.x !== - 1 ) {
			
 
				 
			
 
				 					if ( material.normalScale.x !== material.normalScale.y ) {
			
 
				 
			
--- a/examples/js/geometries/ParametricGeometries.js
+++ b/examples/js/geometries/ParametricGeometries.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author zz85
			
 
				  *
			
 
				  * Experimenting of primitive geometry creation using Surface Parametric equations
			
--- a/examples/js/loaders/AMFLoader.js
+++ b/examples/js/loaders/AMFLoader.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author tamarintech / https://tamarintech.com
			
 
				  *
			
 
				  * Description: Early release of an AMF Loader following the pattern of the
			
--- a/examples/js/loaders/DDSLoader.js
+++ b/examples/js/loaders/DDSLoader.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author mrdoob / http://mrdoob.com/
			
 
				  */
			
 
				 
			
--- a/examples/js/loaders/STLLoader.js
+++ b/examples/js/loaders/STLLoader.js
@@ -28,6 +28,31 @@
 
				  *    material = new THREE.MeshPhongMaterial({ opacity: geometry.alpha, vertexColors: THREE.VertexColors });
			
 
				  *  } else { .... }
			
 
				  *  var mesh = new THREE.Mesh( geometry, material );
			
 
				+ *
			
 
				+ * For ASCII STLs containing multiple solids, each solid is assigned to a different group.
			
 
				+ * Groups can be used to assign a different color by defining an array of materials with the same length of
			
 
				+ * geometry.groups and passing it to the Mesh constructor:
			
 
				+ *
			
 
				+ * var mesh = new THREE.Mesh( geometry, material );
			
 
				+ *
			
 
				+ * For example:
			
 
				+ *
			
 
				+ *  var materials = [];
			
 
				+ *  var nGeometryGroups = geometry.groups.length;
			
 
				+ *
			
 
				+ *  var colorMap = ...; // Some logic to index colors.
			
 
				+ *
			
 
				+ *  for (var i = 0; i < nGeometryGroups; i++) {
			
 
				+ *
			
 
				+ *		var material = new THREE.MeshStandardMaterial({
			
 
				+ *			color: colorMap[i],
			
 
				+ *			wireframe: false
			
 
				+ *		});
			
 
				+ *
			
 
				+ *  }
			
 
				+ *
			
 
				+ *  materials.push(material);
			
 
				+ *  var mesh = new THREE.Mesh(geometry, materials);
			
 
				  */
			
 
				 
			
 
				 
			
@@ -107,7 +132,7 @@ THREE.STLLoader.prototype = {
 
				 
			
 
				 				// If "solid" text is matched to the current offset, declare it to be an ASCII STL.
			
 
				 
			
 
				-				if ( matchDataViewAt ( solid, reader, off ) ) return false;
			
 
				+				if ( matchDataViewAt( solid, reader, off ) ) return false;
			
 
				 
			
 
				 			}
			
 
				 
			
@@ -201,7 +226,7 @@ THREE.STLLoader.prototype = {
 
				 
			
 
				 					var vertexstart = start + i * 12;
			
 
				 					var componentIdx = ( face * 3 * 3 ) + ( ( i - 1 ) * 3 );
			
 
				-					
			
 
				+
			
 
				 					vertices[ componentIdx ] = reader.getFloat32( vertexstart, true );
			
 
				 					vertices[ componentIdx + 1 ] = reader.getFloat32( vertexstart + 4, true );
			
 
				 					vertices[ componentIdx + 2 ] = reader.getFloat32( vertexstart + 8, true );
			
@@ -240,6 +265,7 @@ THREE.STLLoader.prototype = {
 
				 		function parseASCII( data ) {
			
 
				 
			
 
				 			var geometry = new THREE.BufferGeometry();
			
 
				+			var patternSolid = /solid([\s\S]*?)endsolid/g;
			
 
				 			var patternFace = /facet([\s\S]*?)endfacet/g;
			
 
				 			var faceCounter = 0;
			
 
				 
			
@@ -254,53 +280,80 @@ THREE.STLLoader.prototype = {
 
				 
			
 
				 			var result;
			
 
				 
			
 
				-			while ( ( result = patternFace.exec( data ) ) !== null ) {
			
 
				+			var groupVertexes = [];
			
 
				+			var groupCount = 0;
			
 
				+			var startVertex = 0;
			
 
				+			var endVertex = 0;
			
 
				 
			
 
				-				var vertexCountPerFace = 0;
			
 
				-				var normalCountPerFace = 0;
			
 
				+			while ( ( result = patternSolid.exec( data ) ) !== null ) {
			
 
				 
			
 
				-				var text = result[ 0 ];
			
 
				+				startVertex = endVertex;
			
 
				 
			
 
				-				while ( ( result = patternNormal.exec( text ) ) !== null ) {
			
 
				+				var solid = result[ 0 ];
			
 
				 
			
 
				-					normal.x = parseFloat( result[ 1 ] );
			
 
				-					normal.y = parseFloat( result[ 2 ] );
			
 
				-					normal.z = parseFloat( result[ 3 ] );
			
 
				-					normalCountPerFace ++;
			
 
				+				while ( ( result = patternFace.exec( solid ) ) !== null ) {
			
 
				 
			
 
				-				}
			
 
				+					var vertexCountPerFace = 0;
			
 
				+					var normalCountPerFace = 0;
			
 
				 
			
 
				-				while ( ( result = patternVertex.exec( text ) ) !== null ) {
			
 
				+					var text = result[ 0 ];
			
 
				 
			
 
				-					vertices.push( parseFloat( result[ 1 ] ), parseFloat( result[ 2 ] ), parseFloat( result[ 3 ] ) );
			
 
				-					normals.push( normal.x, normal.y, normal.z );
			
 
				-					vertexCountPerFace ++;
			
 
				+					while ( ( result = patternNormal.exec( text ) ) !== null ) {
			
 
				 
			
 
				-				}
			
 
				+						normal.x = parseFloat( result[ 1 ] );
			
 
				+						normal.y = parseFloat( result[ 2 ] );
			
 
				+						normal.z = parseFloat( result[ 3 ] );
			
 
				+						normalCountPerFace ++;
			
 
				 
			
 
				-				// every face have to own ONE valid normal
			
 
				+					}
			
 
				 
			
 
				-				if ( normalCountPerFace !== 1 ) {
			
 
				+					while ( ( result = patternVertex.exec( text ) ) !== null ) {
			
 
				 
			
 
				-					console.error( 'THREE.STLLoader: Something isn\'t right with the normal of face number ' + faceCounter );
			
 
				+						vertices.push( parseFloat( result[ 1 ] ), parseFloat( result[ 2 ] ), parseFloat( result[ 3 ] ) );
			
 
				+						normals.push( normal.x, normal.y, normal.z );
			
 
				+						vertexCountPerFace ++;
			
 
				+						endVertex ++;
			
 
				 
			
 
				-				}
			
 
				+					}
			
 
				 
			
 
				-				// each face have to own THREE valid vertices
			
 
				+					// every face have to own ONE valid normal
			
 
				 
			
 
				-				if ( vertexCountPerFace !== 3 ) {
			
 
				+					if ( normalCountPerFace !== 1 ) {
			
 
				 
			
 
				-					console.error( 'THREE.STLLoader: Something isn\'t right with the vertices of face number ' + faceCounter );
			
 
				+						console.error( 'THREE.STLLoader: Something isn\'t right with the normal of face number ' + faceCounter );
			
 
				+
			
 
				+					}
			
 
				+
			
 
				+					// each face have to own THREE valid vertices
			
 
				+
			
 
				+					if ( vertexCountPerFace !== 3 ) {
			
 
				+
			
 
				+						console.error( 'THREE.STLLoader: Something isn\'t right with the vertices of face number ' + faceCounter );
			
 
				+
			
 
				+					}
			
 
				+
			
 
				+					faceCounter ++;
			
 
				 
			
 
				 				}
			
 
				 
			
 
				-				faceCounter ++;
			
 
				+				groupVertexes.push( { startVertex: startVertex, endVertex: endVertex } );
			
 
				+				groupCount ++;
			
 
				 
			
 
				 			}
			
 
				 
			
 
				 			geometry.addAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );
			
 
				 			geometry.addAttribute( 'normal', new THREE.Float32BufferAttribute( normals, 3 ) );
			
 
				 
			
 
				+			if ( groupCount > 0 ) {
			
 
				+
			
 
				+				for ( var i = 0; i < groupVertexes.length; i ++ ) {
			
 
				+
			
 
				+					geometry.addGroup( groupVertexes[ i ].startVertex, groupVertexes[ i ].endVertex, i );
			
 
				+
			
 
				+				}
			
 
				+
			
 
				+			}
			
 
				+
			
 
				 			return geometry;
			
 
				 
			
 
				 		}
			
@@ -327,6 +380,7 @@ THREE.STLLoader.prototype = {
 
				 					array_buffer[ i ] = buffer.charCodeAt( i ) & 0xff; // implicitly assumes little-endian
			
 
				 
			
 
				 				}
			
 
				+
			
 
				 				return array_buffer.buffer || array_buffer;
			
 
				 
			
 
				 			} else {
			
--- a/examples/js/loaders/TDSLoader.js
+++ b/examples/js/loaders/TDSLoader.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * Autodesk 3DS three.js file loader, based on lib3ds.
			
 
				  *
			
 
				  * Loads geometry with uv and materials basic properties with texture support.
			
--- a/examples/js/loaders/TGALoader.js
+++ b/examples/js/loaders/TGALoader.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author Daosheng Mu / https://github.com/DaoshengMu/
			
 
				  * @author mrdoob / http://mrdoob.com/
			
 
				  * @author takahirox / https://github.com/takahirox/
			
--- a/examples/js/modifiers/SimplifyModifier.js
+++ b/examples/js/modifiers/SimplifyModifier.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  *	@author zz85 / http://twitter.com/blurspline / http://www.lab4games.net/zz85/blog
			
 
				  *
			
 
				  *	Simplification Geometry Modifier
			
--- a/examples/js/modifiers/SubdivisionModifier.js
+++ b/examples/js/modifiers/SubdivisionModifier.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  *	@author zz85 / http://twitter.com/blurspline / http://www.lab4games.net/zz85/blog
			
 
				  *	@author centerionware / http://www.centerionware.com
			
 
				  *
			
--- a/examples/js/shaders/TranslucentShader.js
+++ b/examples/js/shaders/TranslucentShader.js
@@ -61,6 +61,7 @@ THREE.TranslucentShader = {
 
				 	].join( "\n" ),
			
 
				 
			
 
				 	fragmentShader: [
			
 
				+		"#define USE_UV",
			
 
				 		"#define USE_MAP",
			
 
				 		"#define PHONG",
			
 
				 		"#define TRANSLUCENT",
			
@@ -137,7 +138,7 @@ THREE.TranslucentShader = {
 
				 
			
 
				 		"			RE_Direct( directLight, geometry, material, reflectedLight );",
			
 
				 
			
 
				-		"			#if defined( TRANSLUCENT ) && defined( USE_MAP )",
			
 
				+		"			#if defined( TRANSLUCENT ) && defined( USE_UV )",
			
 
				 		"			RE_Direct_Scattering(directLight, vUv, geometry, reflectedLight);",
			
 
				 		"			#endif",
			
 
				 		"		}",
			
@@ -159,7 +160,7 @@ THREE.TranslucentShader = {
 
				 
			
 
				 		"			RE_Direct( directLight, geometry, material, reflectedLight );",
			
 
				 
			
 
				-		"			#if defined( TRANSLUCENT ) && defined( USE_MAP )",
			
 
				+		"			#if defined( TRANSLUCENT ) && defined( USE_UV )",
			
 
				 		"			RE_Direct_Scattering(directLight, vUv, geometry, reflectedLight);",
			
 
				 		"			#endif",
			
 
				 		"		}",
			
--- a/examples/js/utils/UVsDebug.js
+++ b/examples/js/utils/UVsDebug.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author zz85 / http://github.com/zz85
			
 
				  * @author WestLangley / http://github.com/WestLangley
			
 
				  * @author Mugen87 / https://github.com/Mugen87
			
--- a/examples/jsm/controls/DragControls.js
+++ b/examples/jsm/controls/DragControls.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author zz85 / https://github.com/zz85
			
 
				  * @author mrdoob / http://mrdoob.com
			
 
				  * Running this will allow you to drag three.js objects around the screen.
			
--- a/examples/jsm/controls/OrthographicTrackballControls.js
+++ b/examples/jsm/controls/OrthographicTrackballControls.js
@@ -272,7 +272,7 @@ var OrthographicTrackballControls = function ( object, domElement ) {
 
				 
			
 
				 			mouseChange.copy( _panEnd ).sub( _panStart );
			
 
				 
			
 
				-			if ( mouseChange.lengthSq() ) {
			
 
				+			if ( mouseChange.lengthSq() > EPS ) {
			
 
				 
			
 
				 				// Scale movement to keep clicked/dragged position under cursor
			
 
				 				var scale_x = ( _this.object.right - _this.object.left ) / _this.object.zoom;
			
--- a/examples/jsm/controls/TransformControls.d.ts
+++ b/examples/jsm/controls/TransformControls.d.ts
@@ -42,8 +42,8 @@ export class TransformControls extends Object3D {
 
				   pointerUp(pointer: Object): void;
			
 
				   getMode(): string;
			
 
				   setMode(mode: string): void;
			
 
				-  setTranslationSnap(translationSnap: Vector3): void;
			
 
				-  setRotationSnap(rotationSnap: Euler): void;
			
 
				+  setTranslationSnap(translationSnap: Number | null): void;
			
 
				+  setRotationSnap(rotationSnap: Number | null): void;
			
 
				   setSize(size: number): void;
			
 
				   setSpace(space: string): void;
			
 
				   dispose(): void;
			
--- a/examples/jsm/curves/CurveExtras.js
+++ b/examples/jsm/curves/CurveExtras.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * A bunch of parametric curves
			
 
				  * @author zz85
			
 
				  *
			
--- a/examples/jsm/effects/AsciiEffect.js
+++ b/examples/jsm/effects/AsciiEffect.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author zz85 / https://github.com/zz85
			
 
				  *
			
 
				  * Ascii generation is based on http://www.nihilogic.dk/labs/jsascii/
			
--- a/examples/jsm/exporters/ColladaExporter.js
+++ b/examples/jsm/exporters/ColladaExporter.js
@@ -496,7 +496,7 @@ ColladaExporter.prototype = {
 
				 
			
 
				 					(
			
 
				 						m.side === DoubleSide ?
			
 
				-							`<extra><technique><double_sided sid="double_sided" type="int">1</double_sided></technique></extra>` :
			
 
				+							`<extra><technique profile="THREEJS"><double_sided sid="double_sided" type="int">1</double_sided></technique></extra>` :
			
 
				 							''
			
 
				 					) +
			
 
				 
			
--- a/examples/jsm/geometries/ParametricGeometries.js
+++ b/examples/jsm/geometries/ParametricGeometries.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author zz85
			
 
				  *
			
 
				  * Experimenting of primitive geometry creation using Surface Parametric equations
			
--- a/examples/jsm/loaders/AMFLoader.js
+++ b/examples/jsm/loaders/AMFLoader.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author tamarintech / https://tamarintech.com
			
 
				  *
			
 
				  * Description: Early release of an AMF Loader following the pattern of the
			
--- a/examples/jsm/loaders/DDSLoader.js
+++ b/examples/jsm/loaders/DDSLoader.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author mrdoob / http://mrdoob.com/
			
 
				  */
			
 
				 
			
--- a/examples/jsm/loaders/STLLoader.js
+++ b/examples/jsm/loaders/STLLoader.js
@@ -28,6 +28,31 @@
 
				  *    material = new THREE.MeshPhongMaterial({ opacity: geometry.alpha, vertexColors: THREE.VertexColors });
			
 
				  *  } else { .... }
			
 
				  *  var mesh = new THREE.Mesh( geometry, material );
			
 
				+ *
			
 
				+ * For ASCII STLs containing multiple solids, each solid is assigned to a different group.
			
 
				+ * Groups can be used to assign a different color by defining an array of materials with the same length of
			
 
				+ * geometry.groups and passing it to the Mesh constructor:
			
 
				+ *
			
 
				+ * var mesh = new THREE.Mesh( geometry, material );
			
 
				+ *
			
 
				+ * For example:
			
 
				+ *
			
 
				+ *  var materials = [];
			
 
				+ *  var nGeometryGroups = geometry.groups.length;
			
 
				+ *
			
 
				+ *  var colorMap = ...; // Some logic to index colors.
			
 
				+ *
			
 
				+ *  for (var i = 0; i < nGeometryGroups; i++) {
			
 
				+ *
			
 
				+ *		var material = new THREE.MeshStandardMaterial({
			
 
				+ *			color: colorMap[i],
			
 
				+ *			wireframe: false
			
 
				+ *		});
			
 
				+ *
			
 
				+ *  }
			
 
				+ *
			
 
				+ *  materials.push(material);
			
 
				+ *  var mesh = new THREE.Mesh(geometry, materials);
			
 
				  */
			
 
				 
			
 
				 import {
			
@@ -117,7 +142,7 @@ STLLoader.prototype = {
 
				 
			
 
				 				// If "solid" text is matched to the current offset, declare it to be an ASCII STL.
			
 
				 
			
 
				-				if ( matchDataViewAt ( solid, reader, off ) ) return false;
			
 
				+				if ( matchDataViewAt( solid, reader, off ) ) return false;
			
 
				 
			
 
				 			}
			
 
				 
			
@@ -211,7 +236,7 @@ STLLoader.prototype = {
 
				 
			
 
				 					var vertexstart = start + i * 12;
			
 
				 					var componentIdx = ( face * 3 * 3 ) + ( ( i - 1 ) * 3 );
			
 
				-					
			
 
				+
			
 
				 					vertices[ componentIdx ] = reader.getFloat32( vertexstart, true );
			
 
				 					vertices[ componentIdx + 1 ] = reader.getFloat32( vertexstart + 4, true );
			
 
				 					vertices[ componentIdx + 2 ] = reader.getFloat32( vertexstart + 8, true );
			
@@ -250,6 +275,7 @@ STLLoader.prototype = {
 
				 		function parseASCII( data ) {
			
 
				 
			
 
				 			var geometry = new BufferGeometry();
			
 
				+			var patternSolid = /solid([\s\S]*?)endsolid/g;
			
 
				 			var patternFace = /facet([\s\S]*?)endfacet/g;
			
 
				 			var faceCounter = 0;
			
 
				 
			
@@ -264,53 +290,80 @@ STLLoader.prototype = {
 
				 
			
 
				 			var result;
			
 
				 
			
 
				-			while ( ( result = patternFace.exec( data ) ) !== null ) {
			
 
				+			var groupVertexes = [];
			
 
				+			var groupCount = 0;
			
 
				+			var startVertex = 0;
			
 
				+			var endVertex = 0;
			
 
				 
			
 
				-				var vertexCountPerFace = 0;
			
 
				-				var normalCountPerFace = 0;
			
 
				+			while ( ( result = patternSolid.exec( data ) ) !== null ) {
			
 
				 
			
 
				-				var text = result[ 0 ];
			
 
				+				startVertex = endVertex;
			
 
				 
			
 
				-				while ( ( result = patternNormal.exec( text ) ) !== null ) {
			
 
				+				var solid = result[ 0 ];
			
 
				 
			
 
				-					normal.x = parseFloat( result[ 1 ] );
			
 
				-					normal.y = parseFloat( result[ 2 ] );
			
 
				-					normal.z = parseFloat( result[ 3 ] );
			
 
				-					normalCountPerFace ++;
			
 
				+				while ( ( result = patternFace.exec( solid ) ) !== null ) {
			
 
				 
			
 
				-				}
			
 
				+					var vertexCountPerFace = 0;
			
 
				+					var normalCountPerFace = 0;
			
 
				 
			
 
				-				while ( ( result = patternVertex.exec( text ) ) !== null ) {
			
 
				+					var text = result[ 0 ];
			
 
				 
			
 
				-					vertices.push( parseFloat( result[ 1 ] ), parseFloat( result[ 2 ] ), parseFloat( result[ 3 ] ) );
			
 
				-					normals.push( normal.x, normal.y, normal.z );
			
 
				-					vertexCountPerFace ++;
			
 
				+					while ( ( result = patternNormal.exec( text ) ) !== null ) {
			
 
				 
			
 
				-				}
			
 
				+						normal.x = parseFloat( result[ 1 ] );
			
 
				+						normal.y = parseFloat( result[ 2 ] );
			
 
				+						normal.z = parseFloat( result[ 3 ] );
			
 
				+						normalCountPerFace ++;
			
 
				 
			
 
				-				// every face have to own ONE valid normal
			
 
				+					}
			
 
				 
			
 
				-				if ( normalCountPerFace !== 1 ) {
			
 
				+					while ( ( result = patternVertex.exec( text ) ) !== null ) {
			
 
				 
			
 
				-					console.error( 'THREE.STLLoader: Something isn\'t right with the normal of face number ' + faceCounter );
			
 
				+						vertices.push( parseFloat( result[ 1 ] ), parseFloat( result[ 2 ] ), parseFloat( result[ 3 ] ) );
			
 
				+						normals.push( normal.x, normal.y, normal.z );
			
 
				+						vertexCountPerFace ++;
			
 
				+						endVertex ++;
			
 
				 
			
 
				-				}
			
 
				+					}
			
 
				 
			
 
				-				// each face have to own THREE valid vertices
			
 
				+					// every face have to own ONE valid normal
			
 
				 
			
 
				-				if ( vertexCountPerFace !== 3 ) {
			
 
				+					if ( normalCountPerFace !== 1 ) {
			
 
				 
			
 
				-					console.error( 'THREE.STLLoader: Something isn\'t right with the vertices of face number ' + faceCounter );
			
 
				+						console.error( 'THREE.STLLoader: Something isn\'t right with the normal of face number ' + faceCounter );
			
 
				+
			
 
				+					}
			
 
				+
			
 
				+					// each face have to own THREE valid vertices
			
 
				+
			
 
				+					if ( vertexCountPerFace !== 3 ) {
			
 
				+
			
 
				+						console.error( 'THREE.STLLoader: Something isn\'t right with the vertices of face number ' + faceCounter );
			
 
				+
			
 
				+					}
			
 
				+
			
 
				+					faceCounter ++;
			
 
				 
			
 
				 				}
			
 
				 
			
 
				-				faceCounter ++;
			
 
				+				groupVertexes.push( { startVertex: startVertex, endVertex: endVertex } );
			
 
				+				groupCount ++;
			
 
				 
			
 
				 			}
			
 
				 
			
 
				 			geometry.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
			
 
				 			geometry.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
			
 
				 
			
 
				+			if ( groupCount > 0 ) {
			
 
				+
			
 
				+				for ( var i = 0; i < groupVertexes.length; i ++ ) {
			
 
				+
			
 
				+					geometry.addGroup( groupVertexes[ i ].startVertex, groupVertexes[ i ].endVertex, i );
			
 
				+
			
 
				+				}
			
 
				+
			
 
				+			}
			
 
				+
			
 
				 			return geometry;
			
 
				 
			
 
				 		}
			
@@ -337,6 +390,7 @@ STLLoader.prototype = {
 
				 					array_buffer[ i ] = buffer.charCodeAt( i ) & 0xff; // implicitly assumes little-endian
			
 
				 
			
 
				 				}
			
 
				+
			
 
				 				return array_buffer.buffer || array_buffer;
			
 
				 
			
 
				 			} else {
			
--- a/examples/jsm/loaders/TDSLoader.js
+++ b/examples/jsm/loaders/TDSLoader.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * Autodesk 3DS three.js file loader, based on lib3ds.
			
 
				  *
			
 
				  * Loads geometry with uv and materials basic properties with texture support.
			
--- a/examples/jsm/loaders/TGALoader.js
+++ b/examples/jsm/loaders/TGALoader.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author Daosheng Mu / https://github.com/DaoshengMu/
			
 
				  * @author mrdoob / http://mrdoob.com/
			
 
				  * @author takahirox / https://github.com/takahirox/
			
--- a/examples/jsm/modifiers/SimplifyModifier.js
+++ b/examples/jsm/modifiers/SimplifyModifier.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  *	@author zz85 / http://twitter.com/blurspline / http://www.lab4games.net/zz85/blog
			
 
				  *
			
 
				  *	Simplification Geometry Modifier
			
--- a/examples/jsm/modifiers/SubdivisionModifier.js
+++ b/examples/jsm/modifiers/SubdivisionModifier.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  *	@author zz85 / http://twitter.com/blurspline / http://www.lab4games.net/zz85/blog
			
 
				  *	@author centerionware / http://www.centerionware.com
			
 
				  *
			
--- a/examples/jsm/nodes/accessors/NormalNode.js
+++ b/examples/jsm/nodes/accessors/NormalNode.js
@@ -36,7 +36,8 @@ NormalNode.prototype.generate = function ( builder, output ) {
 
				 
			
 
				 		case NormalNode.LOCAL:
			
 
				 
			
 
				-			result = 'normal';
			
 
				+			if ( builder.isShader( 'vertex' ) ) result = 'objectNormal';
			
 
				+			else result = 'geometryNormal';
			
 
				 
			
 
				 			break;
			
 
				 
			
--- a/examples/jsm/nodes/accessors/ReflectNode.js
+++ b/examples/jsm/nodes/accessors/ReflectNode.js
@@ -3,6 +3,8 @@
 
				  */
			
 
				 
			
 
				 import { TempNode } from '../core/TempNode.js';
			
 
				+import { PositionNode } from './PositionNode.js';
			
 
				+import { NormalNode } from './NormalNode.js';
			
 
				 
			
 
				 function ReflectNode( scope ) {
			
 
				 
			
@@ -44,7 +46,10 @@ ReflectNode.prototype.generate = function ( builder, output ) {
 
				 
			
 
				 			case ReflectNode.VECTOR:
			
 
				 
			
 
				-				builder.addNodeCode( 'vec3 reflectVec = inverseTransformDirection( reflect( -normalize( vViewPosition ), normal ), viewMatrix );' );
			
 
				+				var viewNormal = new NormalNode().build( builder, 'v3' );
			
 
				+				var viewPosition = new PositionNode( PositionNode.VIEW ).build( builder, 'v3' );
			
 
				+
			
 
				+				builder.addNodeCode( 'vec3 reflectVec = inverseTransformDirection( reflect( -normalize( ' + viewPosition + ' ), ' + viewNormal + ' ), viewMatrix );' );
			
 
				 
			
 
				 				result = 'reflectVec';
			
 
				 
			
--- a/examples/jsm/nodes/materials/StandardNodeMaterial.js
+++ b/examples/jsm/nodes/materials/StandardNodeMaterial.js
@@ -27,6 +27,7 @@ NodeUtils.addShortcuts( StandardNodeMaterial.prototype, 'fragment', [
 
				 	'reflectivity',
			
 
				 	'clearCoat',
			
 
				 	'clearCoatRoughness',
			
 
				+	'clearCoatNormal',
			
 
				 	'normal',
			
 
				 	'emissive',
			
 
				 	'ambient',
			
--- a/examples/jsm/nodes/materials/nodes/StandardNode.js
+++ b/examples/jsm/nodes/materials/nodes/StandardNode.js
@@ -32,7 +32,7 @@ StandardNode.prototype.build = function ( builder ) {
 
				 
			
 
				 	var code;
			
 
				 
			
 
				-	builder.define( this.clearCoat || this.clearCoatRoughness ? 'PHYSICAL' : 'STANDARD' );
			
 
				+	builder.define( this.clearCoat || this.clearCoatRoughness || this.clearCoatNormal ? 'PHYSICAL' : 'STANDARD' );
			
 
				 
			
 
				 	builder.requires.lights = true;
			
 
				 
			
@@ -145,6 +145,7 @@ StandardNode.prototype.build = function ( builder ) {
 
				 
			
 
				 		if ( this.clearCoat ) this.clearCoat.analyze( builder );
			
 
				 		if ( this.clearCoatRoughness ) this.clearCoatRoughness.analyze( builder );
			
 
				+		if ( this.clearCoatNormal ) this.clearCoatNormal.analyze( builder );
			
 
				 
			
 
				 		if ( this.reflectivity ) this.reflectivity.analyze( builder );
			
 
				 
			
@@ -184,6 +185,7 @@ StandardNode.prototype.build = function ( builder ) {
 
				 
			
 
				 		var clearCoat = this.clearCoat ? this.clearCoat.flow( builder, 'f' ) : undefined;
			
 
				 		var clearCoatRoughness = this.clearCoatRoughness ? this.clearCoatRoughness.flow( builder, 'f' ) : undefined;
			
 
				+		var clearCoatNormal = this.clearCoatNormal ? this.clearCoatNormal.flow( builder, 'v3' ) : undefined;
			
 
				 
			
 
				 		var reflectivity = this.reflectivity ? this.reflectivity.flow( builder, 'f' ) : undefined;
			
 
				 
			
@@ -238,6 +240,7 @@ StandardNode.prototype.build = function ( builder ) {
 
				 
			
 
				 			// add before: prevent undeclared normal
			
 
				 			"	#include <normal_fragment_begin>",
			
 
				+			"	#include <clearcoat_normal_fragment_begin>",
			
 
				 
			
 
				 			// add before: prevent undeclared material
			
 
				 			"	PhysicalMaterial material;",
			
@@ -289,6 +292,15 @@ StandardNode.prototype.build = function ( builder ) {
 
				 
			
 
				 		}
			
 
				 
			
 
				+		if ( clearCoatNormal ) {
			
 
				+
			
 
				+			output.push(
			
 
				+				clearCoatNormal.code,
			
 
				+				'clearCoatNormal = ' + clearCoatNormal.result + ';'
			
 
				+			);
			
 
				+
			
 
				+		}
			
 
				+
			
 
				 		// optimization for now
			
 
				 
			
 
				 		output.push(
			
--- a/examples/jsm/shaders/TranslucentShader.js
+++ b/examples/jsm/shaders/TranslucentShader.js
@@ -68,6 +68,7 @@ var TranslucentShader = {
 
				 	].join( "\n" ),
			
 
				 
			
 
				 	fragmentShader: [
			
 
				+		"#define USE_UV",
			
 
				 		"#define USE_MAP",
			
 
				 		"#define PHONG",
			
 
				 		"#define TRANSLUCENT",
			
@@ -144,7 +145,7 @@ var TranslucentShader = {
 
				 
			
 
				 		"			RE_Direct( directLight, geometry, material, reflectedLight );",
			
 
				 
			
 
				-		"			#if defined( TRANSLUCENT ) && defined( USE_MAP )",
			
 
				+		"			#if defined( TRANSLUCENT ) && defined( USE_UV )",
			
 
				 		"			RE_Direct_Scattering(directLight, vUv, geometry, reflectedLight);",
			
 
				 		"			#endif",
			
 
				 		"		}",
			
@@ -166,7 +167,7 @@ var TranslucentShader = {
 
				 
			
 
				 		"			RE_Direct( directLight, geometry, material, reflectedLight );",
			
 
				 
			
 
				-		"			#if defined( TRANSLUCENT ) && defined( USE_MAP )",
			
 
				+		"			#if defined( TRANSLUCENT ) && defined( USE_UV )",
			
 
				 		"			RE_Direct_Scattering(directLight, vUv, geometry, reflectedLight);",
			
 
				 		"			#endif",
			
 
				 		"		}",
			
--- a/examples/jsm/utils/UVsDebug.js
+++ b/examples/jsm/utils/UVsDebug.js
@@ -1,4 +1,4 @@
 
				-/*
			
 
				+/**
			
 
				  * @author zz85 / http://github.com/zz85
			
 
				  * @author WestLangley / http://github.com/WestLangley
			
 
				  * @author Mugen87 / https://github.com/Mugen87
			
--- a/examples/misc_controls_transform.html
+++ b/examples/misc_controls_transform.html
@@ -83,7 +83,7 @@
 
				 
			
 
				 						case 17: // Ctrl
			
 
				 							control.setTranslationSnap( 100 );
			
 
				-							control.setRotationSnap( Math.degToRad( 15 ) );
			
 
				+							control.setRotationSnap( THREE.Math.degToRad( 15 ) );
			
 
				 							break;
			
 
				 
			
 
				 						case 87: // W
			
--- a/examples/webgl_materials_nodes.html
+++ b/examples/webgl_materials_nodes.html
@@ -742,6 +742,7 @@
 
				 						//mtl.reflectivity = // reflectivity (float)
			
 
				 						//mtl.clearCoat = // clearCoat (float)
			
 
				 						//mtl.clearCoatRoughness = // clearCoatRoughness (float)
			
 
				+						//mtl.clearCoatNormal = // clearCoatNormal (vec3)
			
 
				 						//mtl.normal = // normal (vec3)
			
 
				 						//mtl.emissive = // emissive color (vec3)
			
 
				 						//mtl.ambient = // ambient color (vec3)
			
@@ -754,6 +755,7 @@
 
				 						var mask = new Nodes.SwitchNode( new Nodes.TextureNode( getTexture( "decalDiffuse" ) ), 'w' );
			
 
				 
			
 
				 						var normalScale = new Nodes.FloatNode( .3 );
			
 
				+						var clearCoatNormalScale = new Nodes.FloatNode( .1 );
			
 
				 
			
 
				 						var roughnessA = new Nodes.FloatNode( .5 );
			
 
				 						var metalnessA = new Nodes.FloatNode( .5 );
			
@@ -785,12 +787,20 @@
 
				 							Nodes.OperatorNode.MUL
			
 
				 						);
			
 
				 
			
 
				+						var clearCoatNormalMask = new Nodes.OperatorNode(
			
 
				+							mask,
			
 
				+							clearCoatNormalScale,
			
 
				+							Nodes.OperatorNode.MUL
			
 
				+						);
			
 
				+
			
 
				 						mtl.color = new Nodes.ColorNode( 0xEEEEEE );
			
 
				 						mtl.roughness = roughness;
			
 
				 						mtl.metalness = metalness;
			
 
				 						mtl.reflectivity = reflectivity;
			
 
				 						mtl.clearCoat = clearCoat;
			
 
				 						mtl.clearCoatRoughness = clearCoatRoughness;
			
 
				+						mtl.clearCoatNormal = new Nodes.NormalMapNode( new Nodes.TextureNode( getTexture( "grassNormal" ) ) );
			
 
				+						mtl.clearCoatNormal.scale = clearCoatNormalMask;
			
 
				 						mtl.environment = new Nodes.CubeTextureNode( cubemap );
			
 
				 						mtl.normal = new Nodes.NormalMapNode( new Nodes.TextureNode( getTexture( "grassNormal" ) ) );
			
 
				 						mtl.normal.scale = normalMask;
			
@@ -821,6 +831,12 @@
 
				 
			
 
				 						}, false, 0, 1 );
			
 
				 
			
 
				+						addGui( 'clearCoatNormalScale', clearCoatNormalScale.value, function ( val ) {
			
 
				+
			
 
				+							clearCoatNormalScale.value = val;
			
 
				+
			
 
				+						}, false, 0, 1 );
			
 
				+
			
 
				 						addGui( 'roughnessA', roughnessA.value, function ( val ) {
			
 
				 
			
 
				 							roughnessA.value = val;
			
@@ -2586,12 +2602,14 @@
 
				 
			
 
				 							var nodeMaterial = new Nodes.StandardNodeMaterial();
			
 
				 							nodeMaterial.environment = new Nodes.CubeTextureNode( cubemap, node );
			
 
				-							nodeMaterial.roughness = new Nodes.FloatNode(0);
			
 
				-							nodeMaterial.metalness = new Nodes.FloatNode(1);
			
 
				+							nodeMaterial.roughness.value = .5;
			
 
				+							nodeMaterial.metalness.value = 1;
			
 
				 
			
 
				 							var standardMaterial = new THREE.MeshStandardMaterial( {
			
 
				+								color: nodeMaterial.color.value,
			
 
				+								side: defaultSide,
			
 
				 								envMap: cubemap,
			
 
				-								roughness: 0,
			
 
				+								roughness: nodeMaterial.roughness.value,
			
 
				 								metalness: 1
			
 
				 							} );
			
 
				 
			
@@ -2599,18 +2617,6 @@
 
				 
			
 
				 							// GUI
			
 
				 
			
 
				-							addGui( 'scope', {
			
 
				-								vector: Nodes.ReflectNode.VECTOR,
			
 
				-								cube: Nodes.ReflectNode.CUBE,
			
 
				-								sphere: Nodes.ReflectNode.SPHERE
			
 
				-							}, function ( val ) {
			
 
				-
			
 
				-								node.scope = val;
			
 
				-
			
 
				-								nodeMaterial.needsUpdate = true;
			
 
				-
			
 
				-							} );
			
 
				-
			
 
				 							addGui( 'node', true, function ( val ) {
			
 
				 
			
 
				 								mtl = val ? nodeMaterial : standardMaterial;
			
@@ -2618,7 +2624,7 @@
 
				 
			
 
				 							} );
			
 
				 
			
 
				-							addGui( 'roughness', 0, function ( val ) {
			
 
				+							addGui( 'roughness', nodeMaterial.roughness.value, function ( val ) {
			
 
				 
			
 
				 								nodeMaterial.roughness.value = val;
			
 
				 								standardMaterial.roughness = val;
			
--- a/examples/webgl_shadowmap_performance.html
+++ b/examples/webgl_shadowmap_performance.html
@@ -100,6 +100,8 @@
 
				 				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
			
 
				 				container.appendChild( renderer.domElement );
			
 
				 
			
 
				+				renderer.gammaOutput = true;
			
 
				+				renderer.gammaFactor = 2.2;
			
 
				 				renderer.autoClear = false;
			
 
				 
			
 
				 				//
			
@@ -137,7 +139,7 @@
 
				 				// GROUND
			
 
				 
			
 
				 				var geometry = new THREE.PlaneBufferGeometry( 100, 100 );
			
 
				-				var planeMaterial = new THREE.MeshPhongMaterial( { color: 0xffdd99 } );
			
 
				+				var planeMaterial = new THREE.MeshPhongMaterial( { color: 0xffb851 } );
			
 
				 
			
 
				 				var ground = new THREE.Mesh( geometry, planeMaterial );
			
 
				 
			
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,22 +1,22 @@
 
				 {
			
 
				   "name": "three",
			
 
				-  "version": "0.105.1",
			
 
				+  "version": "0.107.0",
			
 
				   "lockfileVersion": 1,
			
 
				   "requires": true,
			
 
				   "dependencies": {
			
 
				     "@babel/code-frame": {
			
 
				-      "version": "7.0.0",
			
 
				-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
			
 
				-      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
			
 
				+      "version": "7.5.5",
			
 
				+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
			
 
				+      "integrity": "sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==",
			
 
				       "dev": true,
			
 
				       "requires": {
			
 
				         "@babel/highlight": "^7.0.0"
			
 
				       }
			
 
				     },
			
 
				     "@babel/highlight": {
			
 
				-      "version": "7.0.0",
			
 
				-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
			
 
				-      "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
			
 
				+      "version": "7.5.0",
			
 
				+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
			
 
				+      "integrity": "sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==",
			
 
				       "dev": true,
			
 
				       "requires": {
			
 
				         "chalk": "^2.0.0",
			
@@ -36,55 +36,81 @@
 
				       "integrity": "sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==",
			
 
				       "dev": true
			
 
				     },
			
 
				+    "@types/json-schema": {
			
 
				+      "version": "7.0.3",
			
 
				+      "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.3.tgz",
			
 
				+      "integrity": "sha512-Il2DtDVRGDcqjDtE+rF8iqg1CArehSK84HZJCT7AMITlyXRBpuPhqGLDQMowraqqu1coEaimg4ZOqggt6L6L+A==",
			
 
				+      "dev": true
			
 
				+    },
			
 
				     "@types/node": {
			
 
				-      "version": "12.0.10",
			
 
				-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.0.10.tgz",
			
 
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				+      "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz",
			
 
				+      "integrity": "sha512-usZBT3PW+LOjM25wbqIlZwPeJV+3OSz3M1k1Ws8snlW39dZyYL9lOGC5FgPVHfk0jKmjiDV8Z0mIbVQPiwFs7g==",
			
 
				+      "dev": true
			
 
				+    },
			
 
				     "validate-npm-package-license": {
			
 
				       "version": "3.0.4",
			
 
				       "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
			
@@ -2015,7 +2093,7 @@
 
				     },
			
 
				     "wrap-ansi": {
			
 
				       "version": "2.1.0",
			
 
				-      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
			
 
				+      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
			
 
				       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
			
 
				       "dev": true,
			
 
				       "requires": {
			
--- a/package.json
+++ b/package.json
@@ -67,17 +67,17 @@
 
				   },
			
 
				   "homepage": "https://threejs.org/",
			
 
				   "devDependencies": {
			
 
				-    "@typescript-eslint/eslint-plugin": "^1.11.0",
			
 
				-    "@typescript-eslint/parser": "^1.11.0",
			
 
				+    "@typescript-eslint/eslint-plugin": "^2.0.0",
			
 
				+    "@typescript-eslint/parser": "^2.0.0",
			
 
				     "concurrently": "^4.1.1",
			
 
				-    "eslint": "^6.0.1",
			
 
				+    "eslint": "^6.1.0",
			
 
				     "eslint-config-mdcs": "^4.2.3",
			
 
				     "eslint-plugin-html": "^6.0.0",
			
 
				     "failonlyreporter": "^1.0.0",
			
 
				-    "google-closure-compiler": "20190618.0.0",
			
 
				+    "google-closure-compiler": "20190729.0.0",
			
 
				     "http-server": "^0.11.1",
			
 
				     "qunit": "^2.9.2",
			
 
				-    "rollup": "^1.16.2",
			
 
				+    "rollup": "^1.19.4",
			
 
				     "typescript": "^3.5.2"
			
 
				   },
			
 
				   "jspm": {
			
--- a/src/animation/PropertyBinding.js
+++ b/src/animation/PropertyBinding.js
@@ -10,9 +10,39 @@
 
				 
			
 
				 // Characters [].:/ are reserved for track binding syntax.
			
 
				 var _RESERVED_CHARS_RE = '\\[\\]\\.:\\/';
			
 
				+var _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );
			
 
				 
			
 
				-var _reservedRe;
			
 
				-var _trackRe, _supportedObjectNames;
			
 
				+// Attempts to allow node names from any language. ES5's `\w` regexp matches
			
 
				+// only latin characters, and the unicode \p{L} is not yet supported. So
			
 
				+// instead, we exclude reserved characters and match everything else.
			
 
				+var _wordChar = '[^' + _RESERVED_CHARS_RE + ']';
			
 
				+var _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\.', '' ) + ']';
			
 
				+
			
 
				+// Parent directories, delimited by '/' or ':'. Currently unused, but must
			
 
				+// be matched to parse the rest of the track name.
			
 
				+var _directoryRe = /((?:WC+[\/:])*)/.source.replace( 'WC', _wordChar );
			
 
				+
			
 
				+// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.
			
 
				+var _nodeRe = /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot );
			
 
				+
			
 
				+// Object on target node, and accessor. May not contain reserved
			
 
				+// characters. Accessor may contain any character except closing bracket.
			
 
				+var _objectRe = /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace( 'WC', _wordChar );
			
 
				+
			
 
				+// Property and accessor. May not contain reserved characters. Accessor may
			
 
				+// contain any non-bracket characters.
			
 
				+var _propertyRe = /\.(WC+)(?:\[(.+)\])?/.source.replace( 'WC', _wordChar );
			
 
				+
			
 
				+var _trackRe = new RegExp( ''
			
 
				+	+ '^'
			
 
				+	+ _directoryRe
			
 
				+	+ _nodeRe
			
 
				+	+ _objectRe
			
 
				+	+ _propertyRe
			
 
				+	+ '$'
			
 
				+);
			
 
				+
			
 
				+var _supportedObjectNames = [ 'material', 'materials', 'bones' ];
			
 
				 
			
 
				 function Composite( targetGroup, path, optionalParsedPath ) {
			
 
				 
			
@@ -114,54 +144,12 @@ Object.assign( PropertyBinding, {
 
				 	 */
			
 
				 	sanitizeNodeName: function ( name ) {
			
 
				 
			
 
				-		if ( _reservedRe === undefined ) {
			
 
				-
			
 
				-			_reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		return name.replace( /\s/g, '_' ).replace( _reservedRe, '' );
			
 
				 
			
 
				 	},
			
 
				 
			
 
				 	parseTrackName: function ( trackName ) {
			
 
				 
			
 
				-		if ( _supportedObjectNames === undefined ) {
			
 
				-
			
 
				-			// Attempts to allow node names from any language. ES5's `\w` regexp matches
			
 
				-			// only latin characters, and the unicode \p{L} is not yet supported. So
			
 
				-			// instead, we exclude reserved characters and match everything else.
			
 
				-			var wordChar = '[^' + _RESERVED_CHARS_RE + ']';
			
 
				-			var wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\.', '' ) + ']';
			
 
				-
			
 
				-			// Parent directories, delimited by '/' or ':'. Currently unused, but must
			
 
				-			// be matched to parse the rest of the track name.
			
 
				-			var directoryRe = /((?:WC+[\/:])*)/.source.replace( 'WC', wordChar );
			
 
				-
			
 
				-			// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.
			
 
				-			var nodeRe = /(WCOD+)?/.source.replace( 'WCOD', wordCharOrDot );
			
 
				-
			
 
				-			// Object on target node, and accessor. May not contain reserved
			
 
				-			// characters. Accessor may contain any character except closing bracket.
			
 
				-			var objectRe = /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace( 'WC', wordChar );
			
 
				-
			
 
				-			// Property and accessor. May not contain reserved characters. Accessor may
			
 
				-			// contain any non-bracket characters.
			
 
				-			var propertyRe = /\.(WC+)(?:\[(.+)\])?/.source.replace( 'WC', wordChar );
			
 
				-
			
 
				-			_trackRe = new RegExp( ''
			
 
				-				+ '^'
			
 
				-				+ directoryRe
			
 
				-				+ nodeRe
			
 
				-				+ objectRe
			
 
				-				+ propertyRe
			
 
				-				+ '$'
			
 
				-			);
			
 
				-
			
 
				-			_supportedObjectNames = [ 'material', 'materials', 'bones' ];
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var matches = _trackRe.exec( trackName );
			
 
				 
			
 
				 		if ( ! matches ) {
			
--- a/src/audio/Audio.d.ts
+++ b/src/audio/Audio.d.ts
@@ -17,6 +17,7 @@ export class Audio extends Object3D {
 
				 	loop: boolean;
			
 
				 	startTime: number;
			
 
				 	offset: number;
			
 
				+	duration: number | undefined;
			
 
				 	playbackRate: number;
			
 
				 	isPlaying: boolean;
			
 
				 	hasPlaybackControl: boolean;
			
--- a/src/audio/Audio.js
+++ b/src/audio/Audio.js
@@ -24,6 +24,7 @@ function Audio( listener ) {
 
				 	this.loop = false;
			
 
				 	this.startTime = 0;
			
 
				 	this.offset = 0;
			
 
				+	this.duration = undefined;
			
 
				 	this.playbackRate = 1;
			
 
				 	this.isPlaying = false;
			
 
				 	this.hasPlaybackControl = true;
			
@@ -98,7 +99,7 @@ Audio.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
				 		source.loop = this.loop;
			
 
				 		source.onended = this.onEnded.bind( this );
			
 
				 		this.startTime = this.context.currentTime;
			
 
				-		source.start( this.startTime, this.offset );
			
 
				+		source.start( this.startTime, this.offset, this.duration );
			
 
				 
			
 
				 		this.isPlaying = true;
			
 
				 
			
--- a/src/audio/AudioListener.js
+++ b/src/audio/AudioListener.js
@@ -8,8 +8,10 @@ import { Clock } from '../core/Clock.js';
 
				 import { Object3D } from '../core/Object3D.js';
			
 
				 import { AudioContext } from './AudioContext.js';
			
 
				 
			
 
				-var _position, _quaternion, _scale;
			
 
				-var _orientation;
			
 
				+var _position = new Vector3();
			
 
				+var _quaternion = new Quaternion();
			
 
				+var _scale = new Vector3();
			
 
				+var _orientation = new Vector3();
			
 
				 
			
 
				 function AudioListener() {
			
 
				 
			
@@ -102,15 +104,6 @@ AudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
				 
			
 
				 		Object3D.prototype.updateMatrixWorld.call( this, force );
			
 
				 
			
 
				-		if ( _position === undefined ) {
			
 
				-
			
 
				-			_position = new Vector3();
			
 
				-			_quaternion = new Quaternion();
			
 
				-			_scale = new Vector3();
			
 
				-			_orientation = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var listener = this.context.listener;
			
 
				 		var up = this.up;
			
 
				 
			
--- a/src/audio/PositionalAudio.js
+++ b/src/audio/PositionalAudio.js
@@ -7,8 +7,10 @@ import { Quaternion } from '../math/Quaternion.js';
 
				 import { Audio } from './Audio.js';
			
 
				 import { Object3D } from '../core/Object3D.js';
			
 
				 
			
 
				-var _position, _quaternion, _scale;
			
 
				-var _orientation;
			
 
				+var _position = new Vector3();
			
 
				+var _quaternion = new Quaternion();
			
 
				+var _scale = new Vector3();
			
 
				+var _orientation = new Vector3();
			
 
				 
			
 
				 function PositionalAudio( listener ) {
			
 
				 
			
@@ -100,15 +102,6 @@ PositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {
 
				 
			
 
				 		Object3D.prototype.updateMatrixWorld.call( this, force );
			
 
				 
			
 
				-		if ( _position === undefined ) {
			
 
				-
			
 
				-			_position = new Vector3();
			
 
				-			_quaternion = new Quaternion();
			
 
				-			_scale = new Vector3();
			
 
				-			_orientation = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		if ( this.hasPlaybackControl === true && this.isPlaying === false ) return;
			
 
				 
			
 
				 		this.matrixWorld.decompose( _position, _quaternion, _scale );
			
--- a/src/cameras/StereoCamera.js
+++ b/src/cameras/StereoCamera.js
@@ -2,7 +2,8 @@ import { Matrix4 } from '../math/Matrix4.js';
 
				 import { _Math } from '../math/Math.js';
			
 
				 import { PerspectiveCamera } from './PerspectiveCamera.js';
			
 
				 
			
 
				-var _eyeRight, _eyeLeft;
			
 
				+var _eyeRight = new Matrix4();
			
 
				+var _eyeLeft = new Matrix4();
			
 
				 
			
 
				 /**
			
 
				  * @author mrdoob / http://mrdoob.com/
			
@@ -40,13 +41,6 @@ Object.assign( StereoCamera.prototype, {
 
				 
			
 
				 	update: function ( camera ) {
			
 
				 
			
 
				-		if ( _eyeRight === undefined ) {
			
 
				-
			
 
				-			_eyeRight = new Matrix4();
			
 
				-			_eyeLeft = new Matrix4();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var cache = this._cache;
			
 
				 
			
 
				 		var needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov ||
			
--- a/src/core/BufferGeometry.js
+++ b/src/core/BufferGeometry.js
@@ -16,9 +16,13 @@ import { arrayMax } from '../utils.js';
 
				  */
			
 
				 
			
 
				 var _bufferGeometryId = 1; // BufferGeometry uses odd numbers as Id
			
 
				-var _m1, _obj, _offset;
			
 
				-var _box, _boxMorphTargets;
			
 
				-var _vector;
			
 
				+
			
 
				+var _m1 = new Matrix4();
			
 
				+var _obj = new Object3D();
			
 
				+var _offset = new Vector3();
			
 
				+var _box = new Box3();
			
 
				+var _boxMorphTargets = new Box3();
			
 
				+var _vector = new Vector3();
			
 
				 
			
 
				 function BufferGeometry() {
			
 
				 
			
@@ -189,8 +193,6 @@ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototy
 
				 
			
 
				 		// rotate geometry around world x-axis
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		_m1.makeRotationX( angle );
			
 
				 
			
 
				 		this.applyMatrix( _m1 );
			
@@ -203,8 +205,6 @@ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototy
 
				 
			
 
				 		// rotate geometry around world y-axis
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		_m1.makeRotationY( angle );
			
 
				 
			
 
				 		this.applyMatrix( _m1 );
			
@@ -217,8 +217,6 @@ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototy
 
				 
			
 
				 		// rotate geometry around world z-axis
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		_m1.makeRotationZ( angle );
			
 
				 
			
 
				 		this.applyMatrix( _m1 );
			
@@ -231,8 +229,6 @@ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototy
 
				 
			
 
				 		// translate geometry
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		_m1.makeTranslation( x, y, z );
			
 
				 
			
 
				 		this.applyMatrix( _m1 );
			
@@ -245,8 +241,6 @@ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototy
 
				 
			
 
				 		// scale geometry
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		_m1.makeScale( x, y, z );
			
 
				 
			
 
				 		this.applyMatrix( _m1 );
			
@@ -257,8 +251,6 @@ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototy
 
				 
			
 
				 	lookAt: function ( vector ) {
			
 
				 
			
 
				-		if ( _obj === undefined ) _obj = new Object3D();
			
 
				-
			
 
				 		_obj.lookAt( vector );
			
 
				 
			
 
				 		_obj.updateMatrix();
			
@@ -271,8 +263,6 @@ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototy
 
				 
			
 
				 	center: function () {
			
 
				 
			
 
				-		if ( _offset === undefined ) _offset = new Vector3();
			
 
				-
			
 
				 		this.computeBoundingBox();
			
 
				 
			
 
				 		this.boundingBox.getCenter( _offset ).negate();
			
@@ -578,12 +568,6 @@ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototy
 
				 
			
 
				 	computeBoundingBox: function () {
			
 
				 
			
 
				-		if ( _box === undefined ) {
			
 
				-
			
 
				-			_box = new Box3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		if ( this.boundingBox === null ) {
			
 
				 
			
 
				 			this.boundingBox = new Box3();
			
@@ -629,14 +613,6 @@ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototy
 
				 
			
 
				 	computeBoundingSphere: function () {
			
 
				 
			
 
				-		if ( _boxMorphTargets === undefined ) {
			
 
				-
			
 
				-			_box = new Box3();
			
 
				-			_vector = new Vector3();
			
 
				-			_boxMorphTargets = new Box3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		if ( this.boundingSphere === null ) {
			
 
				 
			
 
				 			this.boundingSphere = new Sphere();
			
@@ -877,8 +853,6 @@ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototy
 
				 
			
 
				 	normalizeNormals: function () {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		var normals = this.attributes.normal;
			
 
				 
			
 
				 		for ( var i = 0, il = normals.count; i < il; i ++ ) {
			
--- a/src/core/Geometry.js
+++ b/src/core/Geometry.js
@@ -20,7 +20,9 @@ import { _Math } from '../math/Math.js';
 
				  */
			
 
				 
			
 
				 var _geometryId = 0; // Geometry uses even numbers as Id
			
 
				-var _m1, _obj, _offset;
			
 
				+var _m1 = new Matrix4();
			
 
				+var _obj = new Object3D();
			
 
				+var _offset = new Vector3();
			
 
				 
			
 
				 function Geometry() {
			
 
				 
			
@@ -112,8 +114,6 @@ Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 		// rotate geometry around world x-axis
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		_m1.makeRotationX( angle );
			
 
				 
			
 
				 		this.applyMatrix( _m1 );
			
@@ -126,8 +126,6 @@ Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 		// rotate geometry around world y-axis
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		_m1.makeRotationY( angle );
			
 
				 
			
 
				 		this.applyMatrix( _m1 );
			
@@ -140,8 +138,6 @@ Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 		// rotate geometry around world z-axis
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		_m1.makeRotationZ( angle );
			
 
				 
			
 
				 		this.applyMatrix( _m1 );
			
@@ -154,8 +150,6 @@ Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 		// translate geometry
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		_m1.makeTranslation( x, y, z );
			
 
				 
			
 
				 		this.applyMatrix( _m1 );
			
@@ -168,8 +162,6 @@ Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 		// scale geometry
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		_m1.makeScale( x, y, z );
			
 
				 
			
 
				 		this.applyMatrix( _m1 );
			
@@ -180,8 +172,6 @@ Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 	lookAt: function ( vector ) {
			
 
				 
			
 
				-		if ( _obj === undefined ) _obj = new Object3D();
			
 
				-
			
 
				 		_obj.lookAt( vector );
			
 
				 
			
 
				 		_obj.updateMatrix();
			
@@ -327,8 +317,6 @@ Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 	center: function () {
			
 
				 
			
 
				-		if ( _offset === undefined ) _offset = new Vector3();
			
 
				-
			
 
				 		this.computeBoundingBox();
			
 
				 
			
 
				 		this.boundingBox.getCenter( _offset ).negate();
			
--- a/src/core/Object3D.js
+++ b/src/core/Object3D.js
@@ -8,6 +8,24 @@ import { Matrix3 } from '../math/Matrix3.js';
 
				 import { _Math } from '../math/Math.js';
			
 
				 import { TrianglesDrawMode } from '../constants.js';
			
 
				 
			
 
				+var _object3DId = 0;
			
 
				+
			
 
				+var _v1 = new Vector3();
			
 
				+var _q1 = new Quaternion();
			
 
				+var _m1 = new Matrix4();
			
 
				+var _target = new Vector3();
			
 
				+
			
 
				+var _position = new Vector3();
			
 
				+var _scale = new Vector3();
			
 
				+var _quaternion = new Quaternion();
			
 
				+
			
 
				+var _xAxis = new Vector3( 1, 0, 0 );
			
 
				+var _yAxis = new Vector3( 0, 1, 0 );
			
 
				+var _zAxis = new Vector3( 0, 0, 1 );
			
 
				+
			
 
				+var _addedEvent = { type: 'added' };
			
 
				+var _removedEvent = { type: 'removed' };
			
 
				+
			
 
				 /**
			
 
				  * @author mrdoob / http://mrdoob.com/
			
 
				  * @author mikael emtinger / http://gomo.se/
			
@@ -16,13 +34,6 @@ import { TrianglesDrawMode } from '../constants.js';
 
				  * @author elephantatwork / www.elephantatwork.ch
			
 
				  */
			
 
				 
			
 
				-var _object3DId = 0;
			
 
				-var _m1, _q1, _v1;
			
 
				-var _xAxis, _yAxis, _zAxis;
			
 
				-var _target, _position, _scale, _quaternion;
			
 
				-var _addedEvent = { type: 'added' };
			
 
				-var _removedEvent = { type: 'removed' };
			
 
				-
			
 
				 function Object3D() {
			
 
				 
			
 
				 	Object.defineProperty( this, 'id', { value: _object3DId ++ } );
			
@@ -170,8 +181,6 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 		// rotate object on axis in object space
			
 
				 		// axis is assumed to be normalized
			
 
				 
			
 
				-		if ( _q1 === undefined ) _q1 = new Quaternion();
			
 
				-
			
 
				 		_q1.setFromAxisAngle( axis, angle );
			
 
				 
			
 
				 		this.quaternion.multiply( _q1 );
			
@@ -186,8 +195,6 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 		// axis is assumed to be normalized
			
 
				 		// method assumes no rotated parent
			
 
				 
			
 
				-		if ( _q1 === undefined ) _q1 = new Quaternion();
			
 
				-
			
 
				 		_q1.setFromAxisAngle( axis, angle );
			
 
				 
			
 
				 		this.quaternion.premultiply( _q1 );
			
@@ -198,24 +205,18 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 	rotateX: function ( angle ) {
			
 
				 
			
 
				-		if ( _xAxis === undefined ) _xAxis = new Vector3( 1, 0, 0 );
			
 
				-
			
 
				 		return this.rotateOnAxis( _xAxis, angle );
			
 
				 
			
 
				 	},
			
 
				 
			
 
				 	rotateY: function ( angle ) {
			
 
				 
			
 
				-		if ( _yAxis === undefined ) _yAxis = new Vector3( 0, 1, 0 );
			
 
				-
			
 
				 		return this.rotateOnAxis( _yAxis, angle );
			
 
				 
			
 
				 	},
			
 
				 
			
 
				 	rotateZ: function ( angle ) {
			
 
				 
			
 
				-		if ( _zAxis === undefined ) _zAxis = new Vector3( 0, 0, 1 );
			
 
				-
			
 
				 		return this.rotateOnAxis( _zAxis, angle );
			
 
				 
			
 
				 	},
			
@@ -225,8 +226,6 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 		// translate object by distance along axis in object space
			
 
				 		// axis is assumed to be normalized
			
 
				 
			
 
				-		if ( _v1 === undefined ) _v1 = new Vector3();
			
 
				-
			
 
				 		_v1.copy( axis ).applyQuaternion( this.quaternion );
			
 
				 
			
 
				 		this.position.add( _v1.multiplyScalar( distance ) );
			
@@ -237,24 +236,18 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 	translateX: function ( distance ) {
			
 
				 
			
 
				-		if ( _xAxis === undefined ) _xAxis = new Vector3( 1, 0, 0 );
			
 
				-
			
 
				 		return this.translateOnAxis( _xAxis, distance );
			
 
				 
			
 
				 	},
			
 
				 
			
 
				 	translateY: function ( distance ) {
			
 
				 
			
 
				-		if ( _yAxis === undefined ) _yAxis = new Vector3( 0, 1, 0 );
			
 
				-
			
 
				 		return this.translateOnAxis( _yAxis, distance );
			
 
				 
			
 
				 	},
			
 
				 
			
 
				 	translateZ: function ( distance ) {
			
 
				 
			
 
				-		if ( _zAxis === undefined ) _zAxis = new Vector3( 0, 0, 1 );
			
 
				-
			
 
				 		return this.translateOnAxis( _zAxis, distance );
			
 
				 
			
 
				 	},
			
@@ -267,8 +260,6 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 	worldToLocal: function ( vector ) {
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		return vector.applyMatrix4( _m1.getInverse( this.matrixWorld ) );
			
 
				 
			
 
				 	},
			
@@ -277,15 +268,6 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 		// This method does not support objects having non-uniformly-scaled parent(s)
			
 
				 
			
 
				-		if ( _position === undefined ) {
			
 
				-
			
 
				-			_q1 = new Quaternion();
			
 
				-			_m1 = new Matrix4();
			
 
				-			_target = new Vector3();
			
 
				-			_position = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		if ( x.isVector3 ) {
			
 
				 
			
 
				 			_target.copy( x );
			
@@ -401,8 +383,6 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 		// adds object as a child of this, while maintaining the object's world transform
			
 
				 
			
 
				-		if ( _m1 === undefined ) _m1 = new Matrix4();
			
 
				-
			
 
				 		this.updateWorldMatrix( true, false );
			
 
				 
			
 
				 		_m1.getInverse( this.matrixWorld );
			
@@ -475,13 +455,6 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 	getWorldQuaternion: function ( target ) {
			
 
				 
			
 
				-		if ( _scale === undefined ) {
			
 
				-
			
 
				-			_position = new Vector3();
			
 
				-			_scale = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		if ( target === undefined ) {
			
 
				 
			
 
				 			console.warn( 'THREE.Object3D: .getWorldQuaternion() target is now required' );
			
@@ -499,13 +472,6 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
				 
			
 
				 	getWorldScale: function ( target ) {
			
 
				 
			
 
				-		if ( _quaternion === undefined ) {
			
 
				-
			
 
				-			_position = new Vector3();
			
 
				-			_quaternion = new Quaternion();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		if ( target === undefined ) {
			
 
				 
			
 
				 			console.warn( 'THREE.Object3D: .getWorldScale() target is now required' );
			
--- a/src/core/Raycaster.d.ts
+++ b/src/core/Raycaster.d.ts
@@ -55,6 +55,12 @@ export class Raycaster {
 
				 	 */
			
 
				 	far: number;
			
 
				 
			
 
				+	/**
			
 
				+	 * The camera to use when raycasting against view-dependent objects such as billboarded objects like Sprites. This field
			
 
				+	 * can be set manually or is set when calling "setFromCamera".
			
 
				+	 */
			
 
				+	camera: Camera;
			
 
				+
			
 
				 	params: RaycasterParameters;
			
 
				 
			
 
				 	/**
			
--- a/src/core/Raycaster.js
+++ b/src/core/Raycaster.js
@@ -13,6 +13,7 @@ function Raycaster( origin, direction, near, far ) {
 
				 
			
 
				 	this.near = near || 0;
			
 
				 	this.far = far || Infinity;
			
 
				+	this.camera = null;
			
 
				 
			
 
				 	this.params = {
			
 
				 		Mesh: {},
			
@@ -79,13 +80,13 @@ Object.assign( Raycaster.prototype, {
 
				 
			
 
				 			this.ray.origin.setFromMatrixPosition( camera.matrixWorld );
			
 
				 			this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();
			
 
				-			this._camera = camera;
			
 
				+			this.camera = camera;
			
 
				 
			
 
				 		} 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 );
			
 
				-			this._camera = camera;
			
 
				+			this.camera = camera;
			
 
				 
			
 
				 		} else {
			
 
				 
			
--- a/src/helpers/ArrowHelper.js
+++ b/src/helpers/ArrowHelper.js
@@ -24,7 +24,7 @@ import { Mesh } from '../objects/Mesh.js';
 
				 import { Line } from '../objects/Line.js';
			
 
				 import { Vector3 } from '../math/Vector3.js';
			
 
				 
			
 
				-var _axis;
			
 
				+var _axis = new Vector3();
			
 
				 var _lineGeometry, _coneGeometry;
			
 
				 
			
 
				 function ArrowHelper( dir, origin, length, color, headLength, headWidth ) {
			
@@ -70,8 +70,6 @@ ArrowHelper.prototype.constructor = ArrowHelper;
 
				 
			
 
				 ArrowHelper.prototype.setDirection = function ( dir ) {
			
 
				 
			
 
				-	if ( _axis === undefined ) _axis = new Vector3();
			
 
				-
			
 
				 	// dir is assumed to be normalized
			
 
				 
			
 
				 	if ( dir.y > 0.99999 ) {
			
--- a/src/helpers/BoxHelper.js
+++ b/src/helpers/BoxHelper.js
@@ -9,7 +9,7 @@ import { LineBasicMaterial } from '../materials/LineBasicMaterial.js';
 
				 import { BufferAttribute } from '../core/BufferAttribute.js';
			
 
				 import { BufferGeometry } from '../core/BufferGeometry.js';
			
 
				 
			
 
				-var _box;
			
 
				+var _box = new Box3();
			
 
				 
			
 
				 function BoxHelper( object, color ) {
			
 
				 
			
@@ -37,8 +37,6 @@ BoxHelper.prototype.constructor = BoxHelper;
 
				 
			
 
				 BoxHelper.prototype.update = function ( object ) {
			
 
				 
			
 
				-	if ( _box === undefined ) _box = new Box3();
			
 
				-
			
 
				 	if ( object !== undefined ) {
			
 
				 
			
 
				 		console.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );
			
--- a/src/helpers/CameraHelper.js
+++ b/src/helpers/CameraHelper.js
@@ -17,7 +17,8 @@ import { LineBasicMaterial } from '../materials/LineBasicMaterial.js';
 
				 import { BufferGeometry } from '../core/BufferGeometry.js';
			
 
				 import { Float32BufferAttribute } from '../core/BufferAttribute.js';
			
 
				 
			
 
				-var _vector, _camera;
			
 
				+var _vector = new Vector3();
			
 
				+var _camera = new Camera();
			
 
				 
			
 
				 function CameraHelper( camera ) {
			
 
				 
			
@@ -128,8 +129,6 @@ CameraHelper.prototype.constructor = CameraHelper;
 
				 
			
 
				 CameraHelper.prototype.update = function () {
			
 
				 
			
 
				-	if ( _camera === undefined ) _camera = new Camera();
			
 
				-
			
 
				 	var geometry = this.geometry;
			
 
				 	var pointMap = this.pointMap;
			
 
				 
			
@@ -183,8 +182,6 @@ CameraHelper.prototype.update = function () {
 
				 
			
 
				 function setPoint( point, pointMap, geometry, camera, x, y, z ) {
			
 
				 
			
 
				-	if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 	_vector.set( x, y, z ).unproject( camera );
			
 
				 
			
 
				 	var points = pointMap[ point ];
			
--- a/src/helpers/DirectionalLightHelper.js
+++ b/src/helpers/DirectionalLightHelper.js
@@ -11,7 +11,9 @@ import { Float32BufferAttribute } from '../core/BufferAttribute.js';
 
				 import { BufferGeometry } from '../core/BufferGeometry.js';
			
 
				 import { LineBasicMaterial } from '../materials/LineBasicMaterial.js';
			
 
				 
			
 
				-var _v1, _v2, _v3;
			
 
				+var _v1 = new Vector3();
			
 
				+var _v2 = new Vector3();
			
 
				+var _v3 = new Vector3();
			
 
				 
			
 
				 function DirectionalLightHelper( light, size, color ) {
			
 
				 
			
@@ -65,14 +67,6 @@ DirectionalLightHelper.prototype.dispose = function () {
 
				 
			
 
				 DirectionalLightHelper.prototype.update = function () {
			
 
				 
			
 
				-	if ( _v3 === undefined ) {
			
 
				-
			
 
				-		_v1 = new Vector3();
			
 
				-		_v2 = new Vector3();
			
 
				-		_v3 = new Vector3();
			
 
				-
			
 
				-	}
			
 
				-
			
 
				 	_v1.setFromMatrixPosition( this.light.matrixWorld );
			
 
				 	_v2.setFromMatrixPosition( this.light.target.matrixWorld );
			
 
				 	_v3.subVectors( _v2, _v1 );
			
--- a/src/helpers/FaceNormalsHelper.js
+++ b/src/helpers/FaceNormalsHelper.js
@@ -10,7 +10,9 @@ import { LineBasicMaterial } from '../materials/LineBasicMaterial.js';
 
				 import { Float32BufferAttribute } from '../core/BufferAttribute.js';
			
 
				 import { BufferGeometry } from '../core/BufferGeometry.js';
			
 
				 
			
 
				-var _v1, _v2, _normalMatrix;
			
 
				+var _v1 = new Vector3();
			
 
				+var _v2 = new Vector3();
			
 
				+var _normalMatrix = new Matrix3();
			
 
				 
			
 
				 function FaceNormalsHelper( object, size, hex, linewidth ) {
			
 
				 
			
@@ -62,14 +64,6 @@ FaceNormalsHelper.prototype.constructor = FaceNormalsHelper;
 
				 
			
 
				 FaceNormalsHelper.prototype.update = function () {
			
 
				 
			
 
				-	if ( _normalMatrix === undefined ) {
			
 
				-
			
 
				-		_v1 = new Vector3();
			
 
				-		_v2 = new Vector3();
			
 
				-		_normalMatrix = new Matrix3();
			
 
				-
			
 
				-	}
			
 
				-
			
 
				 	this.object.updateMatrixWorld( true );
			
 
				 
			
 
				 	_normalMatrix.getNormalMatrix( this.object.matrixWorld );
			
--- a/src/helpers/HemisphereLightHelper.js
+++ b/src/helpers/HemisphereLightHelper.js
@@ -13,7 +13,9 @@ import { MeshBasicMaterial } from '../materials/MeshBasicMaterial.js';
 
				 import { OctahedronBufferGeometry } from '../geometries/OctahedronGeometry.js';
			
 
				 import { BufferAttribute } from '../core/BufferAttribute.js';
			
 
				 
			
 
				-var _vector, _color1, _color2;
			
 
				+var _vector = new Vector3();
			
 
				+var _color1 = new Color();
			
 
				+var _color2 = new Color();
			
 
				 
			
 
				 function HemisphereLightHelper( light, size, color ) {
			
 
				 
			
@@ -56,14 +58,6 @@ HemisphereLightHelper.prototype.dispose = function () {
 
				 
			
 
				 HemisphereLightHelper.prototype.update = function () {
			
 
				 
			
 
				-	if ( _color2 === undefined ) {
			
 
				-
			
 
				-		_vector = new Vector3();
			
 
				-		_color1 = new Color();
			
 
				-		_color2 = new Color();
			
 
				-
			
 
				-	}
			
 
				-
			
 
				 	var mesh = this.children[ 0 ];
			
 
				 
			
 
				 	if ( this.color !== undefined ) {
			
--- a/src/helpers/SkeletonHelper.js
+++ b/src/helpers/SkeletonHelper.js
@@ -16,7 +16,9 @@ import { BufferGeometry } from '../core/BufferGeometry.js';
 
				 import { Float32BufferAttribute } from '../core/BufferAttribute.js';
			
 
				 import { Object3D } from '../core/Object3D.js';
			
 
				 
			
 
				-var _vector, _boneMatrix, _matrixWorldInv;
			
 
				+var _vector = new Vector3();
			
 
				+var _boneMatrix = new Matrix4();
			
 
				+var _matrixWorldInv = new Matrix4();
			
 
				 
			
 
				 function getBoneList( object ) {
			
 
				 
			
@@ -85,14 +87,6 @@ SkeletonHelper.prototype.constructor = SkeletonHelper;
 
				 
			
 
				 SkeletonHelper.prototype.updateMatrixWorld = function ( force ) {
			
 
				 
			
 
				-	if ( _matrixWorldInv === undefined ) {
			
 
				-
			
 
				-		_vector = new Vector3();
			
 
				-		_boneMatrix = new Matrix4();
			
 
				-		_matrixWorldInv = new Matrix4();
			
 
				-
			
 
				-	}
			
 
				-
			
 
				 	var bones = this.bones;
			
 
				 
			
 
				 	var geometry = this.geometry;
			
--- a/src/helpers/SpotLightHelper.js
+++ b/src/helpers/SpotLightHelper.js
@@ -11,7 +11,7 @@ import { LineBasicMaterial } from '../materials/LineBasicMaterial.js';
 
				 import { Float32BufferAttribute } from '../core/BufferAttribute.js';
			
 
				 import { BufferGeometry } from '../core/BufferGeometry.js';
			
 
				 
			
 
				-var _vector;
			
 
				+var _vector = new Vector3();
			
 
				 
			
 
				 function SpotLightHelper( light, color ) {
			
 
				 
			
@@ -70,8 +70,6 @@ SpotLightHelper.prototype.dispose = function () {
 
				 
			
 
				 SpotLightHelper.prototype.update = function () {
			
 
				 
			
 
				-	if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 	this.light.updateMatrixWorld();
			
 
				 
			
 
				 	var coneLength = this.light.distance ? this.light.distance : 1000;
			
--- a/src/helpers/VertexNormalsHelper.js
+++ b/src/helpers/VertexNormalsHelper.js
@@ -10,7 +10,10 @@ import { LineBasicMaterial } from '../materials/LineBasicMaterial.js';
 
				 import { Float32BufferAttribute } from '../core/BufferAttribute.js';
			
 
				 import { BufferGeometry } from '../core/BufferGeometry.js';
			
 
				 
			
 
				-var _v1, _v2, _normalMatrix, _keys;
			
 
				+var _v1 = new Vector3();
			
 
				+var _v2 = new Vector3();
			
 
				+var _normalMatrix = new Matrix3();
			
 
				+var _keys = [ 'a', 'b', 'c' ];
			
 
				 
			
 
				 function VertexNormalsHelper( object, size, hex, linewidth ) {
			
 
				 
			
@@ -61,15 +64,6 @@ VertexNormalsHelper.prototype.constructor = VertexNormalsHelper;
 
				 
			
 
				 VertexNormalsHelper.prototype.update = function () {
			
 
				 
			
 
				-	if ( _normalMatrix === undefined ) {
			
 
				-
			
 
				-		_v1 = new Vector3();
			
 
				-		_v2 = new Vector3();
			
 
				-		_normalMatrix = new Matrix3();
			
 
				-		_keys = [ 'a', 'b', 'c' ];
			
 
				-
			
 
				-	}
			
 
				-
			
 
				 	this.object.updateMatrixWorld( true );
			
 
				 
			
 
				 	_normalMatrix.getNormalMatrix( this.object.matrixWorld );
			
--- a/src/loaders/Loader.js
+++ b/src/loaders/Loader.js
@@ -24,7 +24,18 @@ import { Color } from '../math/Color.js';
 
				  * @author alteredq / http://alteredqualia.com/
			
 
				  */
			
 
				 
			
 
				-var _BlendingMode, _color, _textureLoader, _materialLoader;
			
 
				+var _BlendingMode = {
			
 
				+	NoBlending: NoBlending,
			
 
				+	NormalBlending: NormalBlending,
			
 
				+	AdditiveBlending: AdditiveBlending,
			
 
				+	SubtractiveBlending: SubtractiveBlending,
			
 
				+	MultiplyBlending: MultiplyBlending,
			
 
				+	CustomBlending: CustomBlending
			
 
				+};
			
 
				+
			
 
				+var _color = new Color();
			
 
				+var _textureLoader = new TextureLoader();
			
 
				+var _materialLoader = new MaterialLoader();
			
 
				 
			
 
				 function Loader() {}
			
 
				 
			
@@ -87,23 +98,6 @@ Object.assign( Loader.prototype, {
 
				 
			
 
				 	createMaterial: function ( m, texturePath, crossOrigin ) {
			
 
				 
			
 
				-		if ( _materialLoader === undefined ) {
			
 
				-
			
 
				-			_BlendingMode = {
			
 
				-				NoBlending: NoBlending,
			
 
				-				NormalBlending: NormalBlending,
			
 
				-				AdditiveBlending: AdditiveBlending,
			
 
				-				SubtractiveBlending: SubtractiveBlending,
			
 
				-				MultiplyBlending: MultiplyBlending,
			
 
				-				CustomBlending: CustomBlending
			
 
				-			};
			
 
				-
			
 
				-			_color = new Color();
			
 
				-			_textureLoader = new TextureLoader();
			
 
				-			_materialLoader = new MaterialLoader();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		// convert from old material format
			
 
				 
			
 
				 		var textures = {};
			
--- a/src/math/Box2.js
+++ b/src/math/Box2.js
@@ -4,7 +4,7 @@ import { Vector2 } from './Vector2.js';
 
				  * @author bhouston / http://clara.io
			
 
				  */
			
 
				 
			
 
				-var _vector;
			
 
				+var _vector = new Vector2();
			
 
				 
			
 
				 function Box2( min, max ) {
			
 
				 
			
@@ -40,8 +40,6 @@ Object.assign( Box2.prototype, {
 
				 
			
 
				 	setFromCenterAndSize: function ( center, size ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector2();
			
 
				-
			
 
				 		var halfSize = _vector.copy( size ).multiplyScalar( 0.5 );
			
 
				 		this.min.copy( center ).sub( halfSize );
			
 
				 		this.max.copy( center ).add( halfSize );
			
@@ -192,8 +190,6 @@ Object.assign( Box2.prototype, {
 
				 
			
 
				 	distanceToPoint: function ( point ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector2();
			
 
				-
			
 
				 		var clampedPoint = _vector.copy( point ).clamp( this.min, this.max );
			
 
				 		return clampedPoint.sub( point ).length();
			
 
				 
			
--- a/src/math/Box3.js
+++ b/src/math/Box3.js
@@ -1,19 +1,39 @@
 
				 import { Vector3 } from './Vector3.js';
			
 
				 
			
 
				+var _points = [
			
 
				+	new Vector3(),
			
 
				+	new Vector3(),
			
 
				+	new Vector3(),
			
 
				+	new Vector3(),
			
 
				+	new Vector3(),
			
 
				+	new Vector3(),
			
 
				+	new Vector3(),
			
 
				+	new Vector3()
			
 
				+];
			
 
				+var _vector = new Vector3();
			
 
				+
			
 
				+// triangle centered vertices
			
 
				+
			
 
				+var _v0 = new Vector3();
			
 
				+var _v1 = new Vector3();
			
 
				+var _v2 = new Vector3();
			
 
				+
			
 
				+// triangle edge vectors
			
 
				+
			
 
				+var _f0 = new Vector3();
			
 
				+var _f1 = new Vector3();
			
 
				+var _f2 = new Vector3();
			
 
				+
			
 
				+var _center = new Vector3();
			
 
				+var _extents = new Vector3();
			
 
				+var _triangleNormal = new Vector3();
			
 
				+var _testAxis = new Vector3();
			
 
				+
			
 
				 /**
			
 
				  * @author bhouston / http://clara.io
			
 
				  * @author WestLangley / http://github.com/WestLangley
			
 
				  */
			
 
				 
			
 
				-var _points;
			
 
				-var _vector;
			
 
				-
			
 
				-var _v0, _v1, _v2;
			
 
				-var _f0, _f1, _f2;
			
 
				-var _center;
			
 
				-var _extents;
			
 
				-var _triangleNormal;
			
 
				-
			
 
				 function Box3( min, max ) {
			
 
				 
			
 
				 	this.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );
			
@@ -116,8 +136,6 @@ Object.assign( Box3.prototype, {
 
				 
			
 
				 	setFromCenterAndSize: function ( center, size ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		var halfSize = _vector.copy( size ).multiplyScalar( 0.5 );
			
 
				 
			
 
				 		this.min.copy( center ).sub( halfSize );
			
@@ -222,8 +240,6 @@ Object.assign( Box3.prototype, {
 
				 
			
 
				 	expandByObject: function ( object ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		var i, l;
			
 
				 
			
 
				 		// Computes the world-axis-aligned bounding box of an object (including its children),
			
@@ -329,8 +345,6 @@ Object.assign( Box3.prototype, {
 
				 
			
 
				 	intersectsSphere: function ( sphere ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		// Find the point on the AABB closest to the sphere center.
			
 
				 		this.clampPoint( sphere.center, _vector );
			
 
				 
			
@@ -388,26 +402,6 @@ Object.assign( Box3.prototype, {
 
				 
			
 
				 	intersectsTriangle: function ( triangle ) {
			
 
				 
			
 
				-		if ( _v0 === undefined ) {
			
 
				-
			
 
				-			// triangle centered vertices
			
 
				-
			
 
				-			_v0 = new Vector3();
			
 
				-			_v1 = new Vector3();
			
 
				-			_v2 = new Vector3();
			
 
				-
			
 
				-			// triangle edge vectors
			
 
				-
			
 
				-			_f0 = new Vector3();
			
 
				-			_f1 = new Vector3();
			
 
				-			_f2 = new Vector3();
			
 
				-
			
 
				-			_center = new Vector3();
			
 
				-			_extents = new Vector3();
			
 
				-			_triangleNormal = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		if ( this.isEmpty() ) {
			
 
				 
			
 
				 			return false;
			
@@ -474,8 +468,6 @@ Object.assign( Box3.prototype, {
 
				 
			
 
				 	distanceToPoint: function ( point ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		var clampedPoint = _vector.copy( point ).clamp( this.min, this.max );
			
 
				 
			
 
				 		return clampedPoint.sub( point ).length();
			
@@ -484,8 +476,6 @@ Object.assign( Box3.prototype, {
 
				 
			
 
				 	getBoundingSphere: function ( target ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		if ( target === undefined ) {
			
 
				 
			
 
				 			console.error( 'THREE.Box3: .getBoundingSphere() target is now required' );
			
@@ -524,21 +514,6 @@ Object.assign( Box3.prototype, {
 
				 
			
 
				 	applyMatrix4: function ( matrix ) {
			
 
				 
			
 
				-		if ( _points === undefined ) {
			
 
				-
			
 
				-			_points = [
			
 
				-				new Vector3(),
			
 
				-				new Vector3(),
			
 
				-				new Vector3(),
			
 
				-				new Vector3(),
			
 
				-				new Vector3(),
			
 
				-				new Vector3(),
			
 
				-				new Vector3(),
			
 
				-				new Vector3()
			
 
				-			];
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		// transform of empty box is an empty box.
			
 
				 		if ( this.isEmpty() ) return this;
			
 
				 
			
@@ -575,12 +550,8 @@ Object.assign( Box3.prototype, {
 
				 
			
 
				 } );
			
 
				 
			
 
				-var _testAxis;
			
 
				-
			
 
				 function satForAxes( axes, v0, v1, v2, extents ) {
			
 
				 
			
 
				-	if ( _testAxis === undefined ) _testAxis = new Vector3();
			
 
				-
			
 
				 	var i, j;
			
 
				 
			
 
				 	for ( i = 0, j = axes.length - 3; i <= j; i += 3 ) {
			
--- a/src/math/Euler.d.ts
+++ b/src/math/Euler.d.ts
@@ -2,156 +2,6 @@ import { Matrix4 } from './Matrix4';
 
				 import { Quaternion } from './Quaternion';
			
 
				 import { Vector3 } from './Vector3';
			
 
				 
			
 
				-export namespace ColorKeywords {
			
 
				-	export const aliceblue: number;
			
 
				-	export const antiquewhite: number;
			
 
				-	export const aqua: number;
			
 
				-	export const aquamarine: number;
			
 
				-	export const azure: number;
			
 
				-	export const beige: number;
			
 
				-	export const bisque: number;
			
 
				-	export const black: number;
			
 
				-	export const blanchedalmond: number;
			
 
				-	export const blue: number;
			
 
				-	export const blueviolet: number;
			
 
				-	export const brown: number;
			
 
				-	export const burlywood: number;
			
 
				-	export const cadetblue: number;
			
 
				-	export const chartreuse: number;
			
 
				-	export const chocolate: number;
			
 
				-	export const coral: number;
			
 
				-	export const cornflowerblue: number;
			
 
				-	export const cornsilk: number;
			
 
				-	export const crimson: number;
			
 
				-	export const cyan: number;
			
 
				-	export const darkblue: number;
			
 
				-	export const darkcyan: number;
			
 
				-	export const darkgoldenrod: number;
			
 
				-	export const darkgray: number;
			
 
				-	export const darkgreen: number;
			
 
				-	export const darkgrey: number;
			
 
				-	export const darkkhaki: number;
			
 
				-	export const darkmagenta: number;
			
 
				-	export const darkolivegreen: number;
			
 
				-	export const darkorange: number;
			
 
				-	export const darkorchid: number;
			
 
				-	export const darkred: number;
			
 
				-	export const darksalmon: number;
			
 
				-	export const darkseagreen: number;
			
 
				-	export const darkslateblue: number;
			
 
				-	export const darkslategray: number;
			
 
				-	export const darkslategrey: number;
			
 
				-	export const darkturquoise: number;
			
 
				-	export const darkviolet: number;
			
 
				-	export const deeppink: number;
			
 
				-	export const deepskyblue: number;
			
 
				-	export const dimgray: number;
			
 
				-	export const dimgrey: number;
			
 
				-	export const dodgerblue: number;
			
 
				-	export const firebrick: number;
			
 
				-	export const floralwhite: number;
			
 
				-	export const forestgreen: number;
			
 
				-	export const fuchsia: number;
			
 
				-	export const gainsboro: number;
			
 
				-	export const ghostwhite: number;
			
 
				-	export const gold: number;
			
 
				-	export const goldenrod: number;
			
 
				-	export const gray: number;
			
 
				-	export const green: number;
			
 
				-	export const greenyellow: number;
			
 
				-	export const grey: number;
			
 
				-	export const honeydew: number;
			
 
				-	export const hotpink: number;
			
 
				-	export const indianred: number;
			
 
				-	export const indigo: number;
			
 
				-	export const ivory: number;
			
 
				-	export const khaki: number;
			
 
				-	export const lavender: number;
			
 
				-	export const lavenderblush: number;
			
 
				-	export const lawngreen: number;
			
 
				-	export const lemonchiffon: number;
			
 
				-	export const lightblue: number;
			
 
				-	export const lightcoral: number;
			
 
				-	export const lightcyan: number;
			
 
				-	export const lightgoldenrodyellow: number;
			
 
				-	export const lightgray: number;
			
 
				-	export const lightgreen: number;
			
 
				-	export const lightgrey: number;
			
 
				-	export const lightpink: number;
			
 
				-	export const lightsalmon: number;
			
 
				-	export const lightseagreen: number;
			
 
				-	export const lightskyblue: number;
			
 
				-	export const lightslategray: number;
			
 
				-	export const lightslategrey: number;
			
 
				-	export const lightsteelblue: number;
			
 
				-	export const lightyellow: number;
			
 
				-	export const lime: number;
			
 
				-	export const limegreen: number;
			
 
				-	export const linen: number;
			
 
				-	export const magenta: number;
			
 
				-	export const maroon: number;
			
 
				-	export const mediumaquamarine: number;
			
 
				-	export const mediumblue: number;
			
 
				-	export const mediumorchid: number;
			
 
				-	export const mediumpurple: number;
			
 
				-	export const mediumseagreen: number;
			
 
				-	export const mediumslateblue: number;
			
 
				-	export const mediumspringgreen: number;
			
 
				-	export const mediumturquoise: number;
			
 
				-	export const mediumvioletred: number;
			
 
				-	export const midnightblue: number;
			
 
				-	export const mintcream: number;
			
 
				-	export const mistyrose: number;
			
 
				-	export const moccasin: number;
			
 
				-	export const navajowhite: number;
			
 
				-	export const navy: number;
			
 
				-	export const oldlace: number;
			
 
				-	export const olive: number;
			
 
				-	export const olivedrab: number;
			
 
				-	export const orange: number;
			
 
				-	export const orangered: number;
			
 
				-	export const orchid: number;
			
 
				-	export const palegoldenrod: number;
			
 
				-	export const palegreen: number;
			
 
				-	export const paleturquoise: number;
			
 
				-	export const palevioletred: number;
			
 
				-	export const papayawhip: number;
			
 
				-	export const peachpuff: number;
			
 
				-	export const peru: number;
			
 
				-	export const pink: number;
			
 
				-	export const plum: number;
			
 
				-	export const powderblue: number;
			
 
				-	export const purple: number;
			
 
				-	export const red: number;
			
 
				-	export const rosybrown: number;
			
 
				-	export const royalblue: number;
			
 
				-	export const saddlebrown: number;
			
 
				-	export const salmon: number;
			
 
				-	export const sandybrown: number;
			
 
				-	export const seagreen: number;
			
 
				-	export const seashell: number;
			
 
				-	export const sienna: number;
			
 
				-	export const silver: number;
			
 
				-	export const skyblue: number;
			
 
				-	export const slateblue: number;
			
 
				-	export const slategray: number;
			
 
				-	export const slategrey: number;
			
 
				-	export const snow: number;
			
 
				-	export const springgreen: number;
			
 
				-	export const steelblue: number;
			
 
				-	export const tan: number;
			
 
				-	export const teal: number;
			
 
				-	export const thistle: number;
			
 
				-	export const tomato: number;
			
 
				-	export const turquoise: number;
			
 
				-	export const violet: number;
			
 
				-	export const wheat: number;
			
 
				-	export const white: number;
			
 
				-	export const whitesmoke: number;
			
 
				-	export const yellow: number;
			
 
				-	export const yellowgreen: number;
			
 
				-}
			
 
				-
			
 
				 export class Euler {
			
 
				 
			
 
				 	constructor( x?: number, y?: number, z?: number, order?: string );
			
--- a/src/math/Euler.js
+++ b/src/math/Euler.js
@@ -9,7 +9,8 @@ import { _Math } from './Math.js';
 
				  * @author bhouston / http://clara.io
			
 
				  */
			
 
				 
			
 
				-var _matrix, _quaternion;
			
 
				+var _matrix = new Matrix4();
			
 
				+var _quaternion = new Quaternion();
			
 
				 
			
 
				 function Euler( x, y, z, order ) {
			
 
				 
			
@@ -257,8 +258,6 @@ Object.assign( Euler.prototype, {
 
				 
			
 
				 	setFromQuaternion: function ( q, order, update ) {
			
 
				 
			
 
				-		if ( _matrix === undefined ) _matrix = new Matrix4();
			
 
				-
			
 
				 		_matrix.makeRotationFromQuaternion( q );
			
 
				 
			
 
				 		return this.setFromRotationMatrix( _matrix, order, update );
			
@@ -275,8 +274,6 @@ Object.assign( Euler.prototype, {
 
				 
			
 
				 		// WARNING: this discards revolution information -bhouston
			
 
				 
			
 
				-		if ( _quaternion === undefined ) _quaternion = new Quaternion();
			
 
				-
			
 
				 		_quaternion.setFromEuler( this );
			
 
				 
			
 
				 		return this.setFromQuaternion( _quaternion, newOrder );
			
--- a/src/math/Frustum.js
+++ b/src/math/Frustum.js
@@ -8,8 +8,8 @@ import { Plane } from './Plane.js';
 
				  * @author bhouston / http://clara.io
			
 
				  */
			
 
				 
			
 
				-var _sphere;
			
 
				-var _vector;
			
 
				+var _sphere = new Sphere();
			
 
				+var _vector = new Vector3();
			
 
				 
			
 
				 function Frustum( p0, p1, p2, p3, p4, p5 ) {
			
 
				 
			
@@ -85,8 +85,6 @@ Object.assign( Frustum.prototype, {
 
				 
			
 
				 	intersectsObject: function ( object ) {
			
 
				 
			
 
				-		if ( _sphere === undefined ) _sphere = new Sphere();
			
 
				-
			
 
				 		var geometry = object.geometry;
			
 
				 
			
 
				 		if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();
			
@@ -99,8 +97,6 @@ Object.assign( Frustum.prototype, {
 
				 
			
 
				 	intersectsSprite: function ( sprite ) {
			
 
				 
			
 
				-		if ( _sphere === undefined ) _sphere = new Sphere();
			
 
				-
			
 
				 		_sphere.center.set( 0, 0, 0 );
			
 
				 		_sphere.radius = 0.7071067811865476;
			
 
				 		_sphere.applyMatrix4( sprite.matrixWorld );
			
@@ -133,8 +129,6 @@ Object.assign( Frustum.prototype, {
 
				 
			
 
				 	intersectsBox: function ( box ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		var planes = this.planes;
			
 
				 
			
 
				 		for ( var i = 0; i < 6; i ++ ) {
			
--- a/src/math/Line3.js
+++ b/src/math/Line3.js
@@ -5,7 +5,8 @@ import { _Math } from './Math.js';
 
				  * @author bhouston / http://clara.io
			
 
				  */
			
 
				 
			
 
				-var _startP, _startEnd;
			
 
				+var _startP = new Vector3();
			
 
				+var _startEnd = new Vector3();
			
 
				 
			
 
				 function Line3( start, end ) {
			
 
				 
			
@@ -93,13 +94,6 @@ Object.assign( Line3.prototype, {
 
				 
			
 
				 	closestPointToPointParameter: function ( point, clampToLine ) {
			
 
				 
			
 
				-		if ( _startP === undefined ) {
			
 
				-
			
 
				-			_startP = new Vector3();
			
 
				-			_startEnd = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		_startP.subVectors( point, this.start );
			
 
				 		_startEnd.subVectors( this.end, this.start );
			
 
				 
			
--- a/src/math/Matrix3.js
+++ b/src/math/Matrix3.js
@@ -7,7 +7,7 @@ import { Vector3 } from './Vector3.js';
 
				  * @author tschw
			
 
				  */
			
 
				 
			
 
				-var _vector;
			
 
				+var _vector = new Vector3();
			
 
				 
			
 
				 function Matrix3() {
			
 
				 
			
@@ -94,8 +94,6 @@ Object.assign( Matrix3.prototype, {
 
				 
			
 
				 	applyToBufferAttribute: function ( attribute ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		for ( var i = 0, l = attribute.count; i < l; i ++ ) {
			
 
				 
			
 
				 			_vector.x = attribute.getX( i );
			
--- a/src/math/Matrix4.js
+++ b/src/math/Matrix4.js
@@ -1,5 +1,13 @@
 
				 import { Vector3 } from './Vector3.js';
			
 
				 
			
 
				+var _v1 = new Vector3();
			
 
				+var _m1 = new Matrix4();
			
 
				+var _zero = new Vector3( 0, 0, 0 );
			
 
				+var _one = new Vector3( 1, 1, 1 );
			
 
				+var _x = new Vector3();
			
 
				+var _y = new Vector3();
			
 
				+var _z = new Vector3();
			
 
				+
			
 
				 /**
			
 
				  * @author mrdoob / http://mrdoob.com/
			
 
				  * @author supereggbert / http://www.paulbrunt.co.uk/
			
@@ -13,10 +21,6 @@ import { Vector3 } from './Vector3.js';
 
				  * @author WestLangley / http://github.com/WestLangley
			
 
				  */
			
 
				 
			
 
				-var _v1, _m1;
			
 
				-var _zero, _one;
			
 
				-var _x, _y, _z;
			
 
				-
			
 
				 function Matrix4() {
			
 
				 
			
 
				 	this.elements = [
			
@@ -125,8 +129,6 @@ Object.assign( Matrix4.prototype, {
 
				 
			
 
				 	extractRotation: function ( m ) {
			
 
				 
			
 
				-		if ( _v1 === undefined ) _v1 = new Vector3();
			
 
				-
			
 
				 		// this method does not support reflection matrices
			
 
				 
			
 
				 		var te = this.elements;
			
@@ -290,27 +292,12 @@ Object.assign( Matrix4.prototype, {
 
				 
			
 
				 	makeRotationFromQuaternion: function ( q ) {
			
 
				 
			
 
				-		if ( _zero === undefined ) {
			
 
				-
			
 
				-			_zero = new Vector3( 0, 0, 0 );
			
 
				-			_one = new Vector3( 1, 1, 1 );
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		return this.compose( _zero, q, _one );
			
 
				 
			
 
				 	},
			
 
				 
			
 
				 	lookAt: function ( eye, target, up ) {
			
 
				 
			
 
				-		if ( _x === undefined ) {
			
 
				-
			
 
				-			_x = new Vector3();
			
 
				-			_y = new Vector3();
			
 
				-			_z = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var te = this.elements;
			
 
				 
			
 
				 		_z.subVectors( eye, target );
			
@@ -430,8 +417,6 @@ Object.assign( Matrix4.prototype, {
 
				 
			
 
				 	applyToBufferAttribute: function ( attribute ) {
			
 
				 
			
 
				-		if ( _v1 === undefined ) _v1 = new Vector3();
			
 
				-
			
 
				 		for ( var i = 0, l = attribute.count; i < l; i ++ ) {
			
 
				 
			
 
				 			_v1.x = attribute.getX( i );
			
@@ -782,13 +767,6 @@ Object.assign( Matrix4.prototype, {
 
				 
			
 
				 	decompose: function ( position, quaternion, scale ) {
			
 
				 
			
 
				-		if ( _m1 === undefined ) {
			
 
				-
			
 
				-			_m1 = new Matrix4();
			
 
				-			_v1 = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var te = this.elements;
			
 
				 
			
 
				 		var sx = _v1.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();
			
--- a/src/math/Plane.js
+++ b/src/math/Plane.js
@@ -5,7 +5,9 @@ import { Vector3 } from './Vector3.js';
 
				  * @author bhouston / http://clara.io
			
 
				  */
			
 
				 
			
 
				-var _vector1, _vector2, _normalMatrix;
			
 
				+var _vector1 = new Vector3();
			
 
				+var _vector2 = new Vector3();
			
 
				+var _normalMatrix = new Matrix3();
			
 
				 
			
 
				 function Plane( normal, constant ) {
			
 
				 
			
@@ -49,13 +51,6 @@ Object.assign( Plane.prototype, {
 
				 
			
 
				 	setFromCoplanarPoints: function ( a, b, c ) {
			
 
				 
			
 
				-		if ( _vector1 === undefined ) {
			
 
				-
			
 
				-			_vector1 = new Vector3();
			
 
				-			_vector2 = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize();
			
 
				 
			
 
				 		// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?
			
@@ -129,8 +124,6 @@ Object.assign( Plane.prototype, {
 
				 
			
 
				 	intersectLine: function ( line, target ) {
			
 
				 
			
 
				-		if ( _vector1 === undefined ) _vector1 = new Vector3();
			
 
				-
			
 
				 		if ( target === undefined ) {
			
 
				 
			
 
				 			console.warn( 'THREE.Plane: .intersectLine() target is now required' );
			
@@ -206,13 +199,6 @@ Object.assign( Plane.prototype, {
 
				 
			
 
				 	applyMatrix4: function ( matrix, optionalNormalMatrix ) {
			
 
				 
			
 
				-		if ( _normalMatrix === undefined ) {
			
 
				-
			
 
				-			_normalMatrix = new Matrix3();
			
 
				-			_vector1 = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix );
			
 
				 
			
 
				 		var referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix );
			
--- a/src/math/Ray.js
+++ b/src/math/Ray.js
@@ -1,13 +1,18 @@
 
				 import { Vector3 } from './Vector3.js';
			
 
				 
			
 
				+var _vector = new Vector3();
			
 
				+var _segCenter = new Vector3();
			
 
				+var _segDir = new Vector3();
			
 
				+var _diff = new Vector3();
			
 
				+
			
 
				+var _edge1 = new Vector3();
			
 
				+var _edge2 = new Vector3();
			
 
				+var _normal = new Vector3();
			
 
				+
			
 
				 /**
			
 
				  * @author bhouston / http://clara.io
			
 
				  */
			
 
				 
			
 
				-var _vector;
			
 
				-var _segCenter, _segDir, _diff;
			
 
				-var _diff, _edge1, _edge2, _normal;
			
 
				-
			
 
				 function Ray( origin, direction ) {
			
 
				 
			
 
				 	this.origin = ( origin !== undefined ) ? origin : new Vector3();
			
@@ -64,8 +69,6 @@ Object.assign( Ray.prototype, {
 
				 
			
 
				 	recast: function ( t ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		this.origin.copy( this.at( t, _vector ) );
			
 
				 
			
 
				 		return this;
			
@@ -103,8 +106,6 @@ Object.assign( Ray.prototype, {
 
				 
			
 
				 	distanceSqToPoint: function ( point ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		var directionDistance = _vector.subVectors( point, this.origin ).dot( this.direction );
			
 
				 
			
 
				 		// point behind the ray
			
@@ -123,14 +124,6 @@ Object.assign( Ray.prototype, {
 
				 
			
 
				 	distanceSqToSegment: function ( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {
			
 
				 
			
 
				-		if ( _segCenter === undefined ) {
			
 
				-
			
 
				-			_segCenter = new Vector3();
			
 
				-			_segDir = new Vector3();
			
 
				-			_diff = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h
			
 
				 		// It returns the min distance between the ray and the segment
			
 
				 		// defined by v0 and v1
			
@@ -250,8 +243,6 @@ Object.assign( Ray.prototype, {
 
				 
			
 
				 	intersectSphere: function ( sphere, target ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		_vector.subVectors( sphere.center, this.origin );
			
 
				 		var tca = _vector.dot( this.direction );
			
 
				 		var d2 = _vector.dot( _vector ) - tca * tca;
			
@@ -424,8 +415,6 @@ Object.assign( Ray.prototype, {
 
				 
			
 
				 	intersectsBox: function ( box ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		return this.intersectBox( box, _vector ) !== null;
			
 
				 
			
 
				 	},
			
@@ -434,15 +423,6 @@ Object.assign( Ray.prototype, {
 
				 
			
 
				 		// Compute the offset origin, edges, and normal.
			
 
				 
			
 
				-		if ( _diff === undefined ) {
			
 
				-
			
 
				-			_diff = new Vector3();
			
 
				-			_edge1 = new Vector3();
			
 
				-			_edge2 = new Vector3();
			
 
				-			_normal = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h
			
 
				 
			
 
				 		_edge1.subVectors( b, a );
			
--- a/src/math/Sphere.js
+++ b/src/math/Sphere.js
@@ -1,13 +1,13 @@
 
				 import { Box3 } from './Box3.js';
			
 
				 import { Vector3 } from './Vector3.js';
			
 
				 
			
 
				+var _box = new Box3();
			
 
				+
			
 
				 /**
			
 
				  * @author bhouston / http://clara.io
			
 
				  * @author mrdoob / http://mrdoob.com/
			
 
				  */
			
 
				 
			
 
				-var _box;
			
 
				-
			
 
				 function Sphere( center, radius ) {
			
 
				 
			
 
				 	this.center = ( center !== undefined ) ? center : new Vector3();
			
@@ -28,8 +28,6 @@ Object.assign( Sphere.prototype, {
 
				 
			
 
				 	setFromPoints: function ( points, optionalCenter ) {
			
 
				 
			
 
				-		if ( _box === undefined ) _box = new Box3();
			
 
				-
			
 
				 		var center = this.center;
			
 
				 
			
 
				 		if ( optionalCenter !== undefined ) {
			
--- a/src/math/Spherical.d.ts
+++ b/src/math/Spherical.d.ts
@@ -8,10 +8,11 @@ export class Spherical {
 
				 	phi: number;
			
 
				 	theta: number;
			
 
				 
			
 
				-	set( radius: number, phi: number, theta: number ): Spherical;
			
 
				+	set( radius: number, phi: number, theta: number ): this;
			
 
				 	clone(): this;
			
 
				 	copy( other: Spherical ): this;
			
 
				 	makeSafe(): void;
			
 
				-	setFromVector3( vec3: Vector3 ): Spherical;
			
 
				+	setFromVector3( v: Vector3 ): this;
			
 
				+	setFromCartesianCoords( x: number, y: number, z: number ): this;
			
 
				 
			
 
				 }
			
--- a/src/math/Triangle.js
+++ b/src/math/Triangle.js
@@ -5,8 +5,17 @@ import { Vector3 } from './Vector3.js';
 
				  * @author mrdoob / http://mrdoob.com/
			
 
				  */
			
 
				 
			
 
				-var _v0, _v1, _v2, _v3;
			
 
				-var _vab, _vac, _vbc, _vap, _vbp, _vcp;
			
 
				+var _v0 = new Vector3();
			
 
				+var _v1 = new Vector3();
			
 
				+var _v2 = new Vector3();
			
 
				+var _v3 = new Vector3();
			
 
				+
			
 
				+var _vab = new Vector3();
			
 
				+var _vac = new Vector3();
			
 
				+var _vbc = new Vector3();
			
 
				+var _vap = new Vector3();
			
 
				+var _vbp = new Vector3();
			
 
				+var _vcp = new Vector3();
			
 
				 
			
 
				 function Triangle( a, b, c ) {
			
 
				 
			
@@ -20,8 +29,6 @@ Object.assign( Triangle, {
 
				 
			
 
				 	getNormal: function ( a, b, c, target ) {
			
 
				 
			
 
				-		if ( _v0 === undefined ) _v0 = new Vector3();
			
 
				-
			
 
				 		if ( target === undefined ) {
			
 
				 
			
 
				 			console.warn( 'THREE.Triangle: .getNormal() target is now required' );
			
@@ -48,14 +55,6 @@ Object.assign( Triangle, {
 
				 	// based on: http://www.blackpawn.com/texts/pointinpoly/default.html
			
 
				 	getBarycoord: function ( point, a, b, c, target ) {
			
 
				 
			
 
				-		if ( _v2 === undefined ) {
			
 
				-
			
 
				-			_v0 = new Vector3();
			
 
				-			_v1 = new Vector3();
			
 
				-			_v2 = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		_v0.subVectors( c, a );
			
 
				 		_v1.subVectors( b, a );
			
 
				 		_v2.subVectors( point, a );
			
@@ -95,8 +94,6 @@ Object.assign( Triangle, {
 
				 
			
 
				 	containsPoint: function ( point, a, b, c ) {
			
 
				 
			
 
				-		if ( _v3 === undefined ) _v3 = new Vector3();
			
 
				-
			
 
				 		Triangle.getBarycoord( point, a, b, c, _v3 );
			
 
				 
			
 
				 		return ( _v3.x >= 0 ) && ( _v3.y >= 0 ) && ( ( _v3.x + _v3.y ) <= 1 );
			
@@ -105,8 +102,6 @@ Object.assign( Triangle, {
 
				 
			
 
				 	getUV: function ( point, p1, p2, p3, uv1, uv2, uv3, target ) {
			
 
				 
			
 
				-		if ( _v3 === undefined ) _v3 = new Vector3();
			
 
				-
			
 
				 		this.getBarycoord( point, p1, p2, p3, _v3 );
			
 
				 
			
 
				 		target.set( 0, 0 );
			
@@ -120,13 +115,6 @@ Object.assign( Triangle, {
 
				 
			
 
				 	isFrontFacing: function ( a, b, c, direction ) {
			
 
				 
			
 
				-		if ( _v1 === undefined ) {
			
 
				-
			
 
				-			_v0 = new Vector3();
			
 
				-			_v1 = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		_v0.subVectors( c, b );
			
 
				 		_v1.subVectors( a, b );
			
 
				 
			
@@ -177,13 +165,6 @@ Object.assign( Triangle.prototype, {
 
				 
			
 
				 	getArea: function () {
			
 
				 
			
 
				-		if ( _v1 === undefined ) {
			
 
				-
			
 
				-			_v0 = new Vector3();
			
 
				-			_v1 = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		_v0.subVectors( this.c, this.b );
			
 
				 		_v1.subVectors( this.a, this.b );
			
 
				 
			
@@ -255,17 +236,6 @@ Object.assign( Triangle.prototype, {
 
				 
			
 
				 	closestPointToPoint: function ( p, target ) {
			
 
				 
			
 
				-		if ( _vab === undefined ) {
			
 
				-
			
 
				-			_vab = new Vector3();
			
 
				-			_vac = new Vector3();
			
 
				-			_vbc = new Vector3();
			
 
				-			_vap = new Vector3();
			
 
				-			_vbp = new Vector3();
			
 
				-			_vcp = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		if ( target === undefined ) {
			
 
				 
			
 
				 			console.warn( 'THREE.Triangle: .closestPointToPoint() target is now required' );
			
--- a/src/math/Vector3.d.ts
+++ b/src/math/Vector3.d.ts
@@ -236,7 +236,9 @@ export class Vector3 implements Vector {
 
				 	distanceToManhattan( v: Vector3 ): number;
			
 
				 
			
 
				 	setFromSpherical( s: Spherical ): this;
			
 
				+	setFromSphericalCoords( r: number, phi: number, theta:number ): this;
			
 
				 	setFromCylindrical( s: Cylindrical ): this;
			
 
				+	setFromCylindricalCoords( radius: number, theta: number, y: number ): this;
			
 
				 	setFromMatrixPosition( m: Matrix4 ): this;
			
 
				 	setFromMatrixScale( m: Matrix4 ): this;
			
 
				 	setFromMatrixColumn( matrix: Matrix4, index: number ): this;
			
--- a/src/math/Vector3.js
+++ b/src/math/Vector3.js
@@ -10,7 +10,8 @@ import { Quaternion } from './Quaternion.js';
 
				  * @author WestLangley / http://github.com/WestLangley
			
 
				  */
			
 
				 
			
 
				-var _vector, _quaternion;
			
 
				+var _vector = new Vector3();
			
 
				+var _quaternion = new Quaternion();
			
 
				 
			
 
				 function Vector3( x, y, z ) {
			
 
				 
			
@@ -235,8 +236,6 @@ Object.assign( Vector3.prototype, {
 
				 
			
 
				 	applyEuler: function ( euler ) {
			
 
				 
			
 
				-		if ( _quaternion === undefined ) _quaternion = new Quaternion();
			
 
				-
			
 
				 		if ( ! ( euler && euler.isEuler ) ) {
			
 
				 
			
 
				 			console.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );
			
@@ -249,8 +248,6 @@ Object.assign( Vector3.prototype, {
 
				 
			
 
				 	applyAxisAngle: function ( axis, angle ) {
			
 
				 
			
 
				-		if ( _quaternion === undefined ) _quaternion = new Quaternion();
			
 
				-
			
 
				 		return this.applyQuaternion( _quaternion.setFromAxisAngle( axis, angle ) );
			
 
				 
			
 
				 	},
			
@@ -539,8 +536,6 @@ Object.assign( Vector3.prototype, {
 
				 
			
 
				 	projectOnPlane: function ( planeNormal ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		_vector.copy( this ).projectOnVector( planeNormal );
			
 
				 
			
 
				 		return this.sub( _vector );
			
@@ -549,8 +544,6 @@ Object.assign( Vector3.prototype, {
 
				 
			
 
				 	reflect: function ( normal ) {
			
 
				 
			
 
				-		if ( _vector === undefined ) _vector = new Vector3();
			
 
				-
			
 
				 		// reflect incident vector off plane orthogonal to normal
			
 
				 		// normal is assumed to have unit length
			
 
				 
			
--- a/src/math/Vector4.d.ts
+++ b/src/math/Vector4.d.ts
@@ -4,10 +4,6 @@ import { Matrix3 } from './Matrix3';
 
				 import { BufferAttribute } from './../core/BufferAttribute';
			
 
				 import { Vector } from './Vector2';
			
 
				 
			
 
				-/**
			
 
				- * @deprecated use {@link Vector3 THREE.Vector3} instead.
			
 
				- */
			
 
				-
			
 
				 /**
			
 
				  * 4D vector.
			
 
				  *
			
--- a/src/objects/LOD.js
+++ b/src/objects/LOD.js
@@ -7,7 +7,8 @@ import { Object3D } from '../core/Object3D.js';
 
				  * @author mrdoob / http://mrdoob.com/
			
 
				  */
			
 
				 
			
 
				-var _v1, _v2;
			
 
				+var _v1 = new Vector3();
			
 
				+var _v2 = new Vector3();
			
 
				 
			
 
				 function LOD() {
			
 
				 
			
@@ -96,8 +97,6 @@ LOD.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
				 
			
 
				 	raycast: function ( raycaster, intersects ) {
			
 
				 
			
 
				-		if ( _v1 === undefined ) _v1 = new Vector3();
			
 
				-
			
 
				 		_v1.setFromMatrixPosition( this.matrixWorld );
			
 
				 
			
 
				 		var distance = raycaster.ray.origin.distanceTo( _v1 );
			
@@ -108,13 +107,6 @@ LOD.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
				 
			
 
				 	update: function ( camera ) {
			
 
				 
			
 
				-		if ( _v2 === undefined ) {
			
 
				-
			
 
				-			_v1 = new Vector3();
			
 
				-			_v2 = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var levels = this.levels;
			
 
				 
			
 
				 		if ( levels.length > 1 ) {
			
--- a/src/objects/Line.js
+++ b/src/objects/Line.js
@@ -11,8 +11,11 @@ import { Float32BufferAttribute } from '../core/BufferAttribute.js';
 
				  * @author mrdoob / http://mrdoob.com/
			
 
				  */
			
 
				 
			
 
				-var _start, _end;
			
 
				-var _inverseMatrix, _ray, _sphere;
			
 
				+var _start = new Vector3();
			
 
				+var _end = new Vector3();
			
 
				+var _inverseMatrix = new Matrix4();
			
 
				+var _ray = new Ray();
			
 
				+var _sphere = new Sphere();
			
 
				 
			
 
				 function Line( geometry, material, mode ) {
			
 
				 
			
@@ -39,13 +42,6 @@ Line.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
				 
			
 
				 	computeLineDistances: function () {
			
 
				 
			
 
				-		if ( _end === undefined ) {
			
 
				-
			
 
				-			_start = new Vector3();
			
 
				-			_end = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var geometry = this.geometry;
			
 
				 
			
 
				 		if ( geometry.isBufferGeometry ) {
			
@@ -97,14 +93,6 @@ Line.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
				 
			
 
				 	raycast: function ( raycaster, intersects ) {
			
 
				 
			
 
				-		if ( _sphere === undefined ) {
			
 
				-
			
 
				-			_inverseMatrix = new Matrix4();
			
 
				-			_ray = new Ray();
			
 
				-			_sphere = new Sphere();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var precision = raycaster.linePrecision;
			
 
				 
			
 
				 		var geometry = this.geometry;
			
--- a/src/objects/LineSegments.js
+++ b/src/objects/LineSegments.js
@@ -6,7 +6,8 @@ import { Float32BufferAttribute } from '../core/BufferAttribute.js';
 
				  * @author mrdoob / http://mrdoob.com/
			
 
				  */
			
 
				 
			
 
				-var _start, _end;
			
 
				+var _start = new Vector3();
			
 
				+var _end = new Vector3();
			
 
				 
			
 
				 function LineSegments( geometry, material ) {
			
 
				 
			
@@ -24,13 +25,6 @@ LineSegments.prototype = Object.assign( Object.create( Line.prototype ), {
 
				 
			
 
				 	computeLineDistances: function () {
			
 
				 
			
 
				-		if ( _end === undefined ) {
			
 
				-
			
 
				-			_start = new Vector3();
			
 
				-			_end = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var geometry = this.geometry;
			
 
				 
			
 
				 		if ( geometry.isBufferGeometry ) {
			
--- a/src/objects/Mesh.js
+++ b/src/objects/Mesh.js
@@ -17,12 +17,28 @@ import { BufferGeometry } from '../core/BufferGeometry.js';
 
				  * @author jonobr1 / http://jonobr1.com/
			
 
				  */
			
 
				 
			
 
				-var _inverseMatrix, _ray, _sphere;
			
 
				-var _vA, _vB, _vC;
			
 
				-var _tempA, _tempB, _tempC;
			
 
				-var _morphA, _morphB, _morphC;
			
 
				-var _uvA, _uvB, _uvC;
			
 
				-var _intersectionPoint, _intersectionPointWorld;
			
 
				+var _inverseMatrix = new Matrix4();
			
 
				+var _ray = new Ray();
			
 
				+var _sphere = new Sphere();
			
 
				+
			
 
				+var _vA = new Vector3();
			
 
				+var _vB = new Vector3();
			
 
				+var _vC = new Vector3();
			
 
				+
			
 
				+var _tempA = new Vector3();
			
 
				+var _tempB = new Vector3();
			
 
				+var _tempC = new Vector3();
			
 
				+
			
 
				+var _morphA = new Vector3();
			
 
				+var _morphB = new Vector3();
			
 
				+var _morphC = new Vector3();
			
 
				+
			
 
				+var _uvA = new Vector2();
			
 
				+var _uvB = new Vector2();
			
 
				+var _uvC = new Vector2();
			
 
				+
			
 
				+var _intersectionPoint = new Vector3();
			
 
				+var _intersectionPointWorld = new Vector3();
			
 
				 
			
 
				 function Mesh( geometry, material ) {
			
 
				 
			
@@ -121,33 +137,6 @@ Mesh.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
				 
			
 
				 	raycast: function ( raycaster, intersects ) {
			
 
				 
			
 
				-		if ( _intersectionPointWorld === undefined ) {
			
 
				-
			
 
				-			_inverseMatrix = new Matrix4();
			
 
				-			_ray = new Ray();
			
 
				-			_sphere = new Sphere();
			
 
				-
			
 
				-			_vA = new Vector3();
			
 
				-			_vB = new Vector3();
			
 
				-			_vC = new Vector3();
			
 
				-
			
 
				-			_tempA = new Vector3();
			
 
				-			_tempB = new Vector3();
			
 
				-			_tempC = new Vector3();
			
 
				-
			
 
				-			_morphA = new Vector3();
			
 
				-			_morphB = new Vector3();
			
 
				-			_morphC = new Vector3();
			
 
				-
			
 
				-			_uvA = new Vector2();
			
 
				-			_uvB = new Vector2();
			
 
				-			_uvC = new Vector2();
			
 
				-
			
 
				-			_intersectionPoint = new Vector3();
			
 
				-			_intersectionPointWorld = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var geometry = this.geometry;
			
 
				 		var material = this.material;
			
 
				 		var matrixWorld = this.matrixWorld;
			
--- a/src/objects/Points.js
+++ b/src/objects/Points.js
@@ -10,7 +10,10 @@ import { BufferGeometry } from '../core/BufferGeometry.js';
 
				  * @author alteredq / http://alteredqualia.com/
			
 
				  */
			
 
				 
			
 
				-var _inverseMatrix, _ray, _sphere, _position;
			
 
				+var _inverseMatrix = new Matrix4();
			
 
				+var _ray = new Ray();
			
 
				+var _sphere = new Sphere();
			
 
				+var _position = new Vector3();
			
 
				 
			
 
				 function Points( geometry, material ) {
			
 
				 
			
@@ -33,15 +36,6 @@ Points.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
				 
			
 
				 	raycast: function ( raycaster, intersects ) {
			
 
				 
			
 
				-		if ( _sphere === undefined ) {
			
 
				-
			
 
				-			_inverseMatrix = new Matrix4();
			
 
				-			_ray = new Ray();
			
 
				-			_sphere = new Sphere();
			
 
				-			_position = new Vector3();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var geometry = this.geometry;
			
 
				 		var matrixWorld = this.matrixWorld;
			
 
				 		var threshold = raycaster.params.Points.threshold;
			
--- a/src/objects/Skeleton.js
+++ b/src/objects/Skeleton.js
@@ -7,7 +7,8 @@ import { Matrix4 } from '../math/Matrix4.js';
 
				  * @author ikerr / http://verold.com
			
 
				  */
			
 
				 
			
 
				-var _offsetMatrix, _identityMatrix;
			
 
				+var _offsetMatrix = new Matrix4();
			
 
				+var _identityMatrix = new Matrix4();
			
 
				 
			
 
				 function Skeleton( bones, boneInverses ) {
			
 
				 
			
@@ -117,13 +118,6 @@ Object.assign( Skeleton.prototype, {
 
				 
			
 
				 	update: function () {
			
 
				 
			
 
				-		if ( _identityMatrix === undefined ) {
			
 
				-
			
 
				-			_offsetMatrix = new Matrix4();
			
 
				-			_identityMatrix = new Matrix4();
			
 
				-
			
 
				-		}
			
 
				-
			
 
				 		var bones = this.bones;
			
 
				 		var boneInverses = this.boneInverses;
			
 
				 		var boneMatrices = this.boneMatrices;
			
--- a/src/objects/Sprite.js
+++ b/src/objects/Sprite.js
@@ -15,10 +15,21 @@ import { SpriteMaterial } from '../materials/SpriteMaterial.js';
 
				 
			
 
				 var _geometry;
			
 
				 
			
 
				-var _intersectPoint, _worldScale, _mvPosition;
			
 
				-var _alignedPosition, _rotatedPosition, _viewWorldMatrix;
			
 
				-var _vA, _vB, _vC;
			
 
				-var _uvA, _uvB, _uvC;
			
 
				+var _intersectPoint = new Vector3();
			
 
				+var _worldScale = new Vector3();
			
 
				+var _mvPosition = new Vector3();
			
 
				+
			
 
				+var _alignedPosition = new Vector2();
			
 
				+var _rotatedPosition = new Vector2();
			
 
				+var _viewWorldMatrix = new Matrix4();
			
 
				+
			
 
				+var _vA = new Vector3();
			
 
				+var _vB = new Vector3();
			
 
				+var _vC = new Vector3();
			
 
				+
			
 
				+var _uvA = new Vector2();
			
 
				+var _uvB = new Vector2();
			
 
				+var _uvC = new Vector2();
			
 
				 
			
 
				 function Sprite( material ) {
			
 
				 
			
@@ -60,34 +71,20 @@ Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
				 
			
 
				 	raycast: function ( raycaster, intersects ) {
			
 
				 
			
 
				-		if ( _uvC === undefined ) {
			
 
				-
			
 
				-			_intersectPoint = new Vector3();
			
 
				-			_worldScale = new Vector3();
			
 
				-			_mvPosition = new Vector3();
			
 
				-
			
 
				-			_alignedPosition = new Vector2();
			
 
				-			_rotatedPosition = new Vector2();
			
 
				-			_viewWorldMatrix = new Matrix4();
			
 
				-
			
 
				-			_vA = new Vector3();
			
 
				-			_vB = new Vector3();
			
 
				-			_vC = new Vector3();
			
 
				+		if ( raycaster.camera === null ) {
			
 
				 
			
 
				-			_uvA = new Vector2();
			
 
				-			_uvB = new Vector2();
			
 
				-			_uvC = new Vector2();
			
 
				+			console.error( 'THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.' );
			
 
				 
			
 
				 		}
			
 
				 
			
 
				 		_worldScale.setFromMatrixScale( this.matrixWorld );
			
 
				 
			
 
				-		_viewWorldMatrix.copy( raycaster._camera.matrixWorld );
			
 
				-		this.modelViewMatrix.multiplyMatrices( raycaster._camera.matrixWorldInverse, this.matrixWorld );
			
 
				+		_viewWorldMatrix.copy( raycaster.camera.matrixWorld );
			
 
				+		this.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );
			
 
				 
			
 
				 		_mvPosition.setFromMatrixPosition( this.modelViewMatrix );
			
 
				 
			
 
				-		if ( raycaster._camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {
			
 
				+		if ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {
			
 
				 
			
 
				 			_worldScale.multiplyScalar( - _mvPosition.z );
			
 
				 
			
--- a/src/renderers/WebGLRenderer.js
+++ b/src/renderers/WebGLRenderer.js
@@ -1,5 +1,4 @@
 
				 import {
			
 
				-	REVISION,
			
 
				 	RGBAFormat,
			
 
				 	HalfFloatType,
			
 
				 	FloatType,
			
--- a/src/renderers/shaders/ShaderChunk/clearcoat_normal_fragment_begin.glsl.js
+++ b/src/renderers/shaders/ShaderChunk/clearcoat_normal_fragment_begin.glsl.js
@@ -1,7 +1,7 @@
 
				 export default /* glsl */`
			
 
				-#ifdef USE_CLEARCOAT_NORMALMAP
			
 
				+#ifdef PHYSICAL
			
 
				 
			
 
				-  vec3 clearCoatNormal = geometryNormal;
			
 
				+	vec3 clearCoatNormal = geometryNormal;
			
 
				 
			
 
				 #endif
			
 
				 `;
			
--- a/src/renderers/shaders/ShaderChunk/common.glsl.js
+++ b/src/renderers/shaders/ShaderChunk/common.glsl.js
@@ -8,7 +8,7 @@ export default /* glsl */`
 
				 #define EPSILON 1e-6
			
 
				 
			
 
				 #define saturate(a) clamp( a, 0.0, 1.0 )
			
 
				-#define whiteCompliment(a) ( 1.0 - saturate( a ) )
			
 
				+#define whiteComplement(a) ( 1.0 - saturate( a ) )
			
 
				 
			
 
				 float pow2( const in float x ) { return x*x; }
			
 
				 float pow3( const in float x ) { return x*x*x; }
			
@@ -39,7 +39,9 @@ struct GeometricContext {
 
				 	vec3 position;
			
 
				 	vec3 normal;
			
 
				 	vec3 viewDir;
			
 
				+#ifdef PHYSICAL
			
 
				 	vec3 clearCoatNormal;
			
 
				+#endif
			
 
				 };
			
 
				 
			
 
				 vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
			
--- a/src/renderers/shaders/ShaderChunk/fog_fragment.glsl.js
+++ b/src/renderers/shaders/ShaderChunk/fog_fragment.glsl.js
@@ -3,7 +3,7 @@ export default /* glsl */`
 
				 
			
 
				 	#ifdef FOG_EXP2
			
 
				 
			
 
				-		float fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * fogDepth * fogDepth * LOG2 ) );
			
 
				+		float fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );
			
 
				 
			
 
				 	#else
			
 
				 
			
--- a/src/renderers/shaders/ShaderChunk/lights_fragment_begin.glsl.js
+++ b/src/renderers/shaders/ShaderChunk/lights_fragment_begin.glsl.js
@@ -20,14 +20,10 @@ geometry.position = - vViewPosition;
 
				 geometry.normal = normal;
			
 
				 geometry.viewDir = normalize( vViewPosition );
			
 
				 
			
 
				-#ifdef USE_CLEARCOAT_NORMALMAP
			
 
				+#ifdef PHYSICAL
			
 
				 
			
 
				 	geometry.clearCoatNormal = clearCoatNormal;
			
 
				 
			
 
				-#else
			
 
				-
			
 
				-	geometry.clearCoatNormal = geometryNormal;
			
 
				-
			
 
				 #endif
			
 
				 
			
 
				 IncidentLight directLight;
			
--- a/src/renderers/shaders/ShaderChunk/lights_fragment_maps.glsl.js
+++ b/src/renderers/shaders/ShaderChunk/lights_fragment_maps.glsl.js
@@ -27,7 +27,7 @@ export default /* glsl */`
 
				 
			
 
				 	radiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.normal, Material_BlinnShininessExponent( material ), maxMipLevel );
			
 
				 
			
 
				-	#ifndef STANDARD
			
 
				+	#ifdef PHYSICAL
			
 
				 
			
 
				 		clearCoatRadiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.clearCoatNormal, Material_ClearCoat_BlinnShininessExponent( material ), maxMipLevel );
			
 
				 
			
--- a/src/renderers/shaders/ShaderChunk/lights_physical_pars_fragment.glsl.js
+++ b/src/renderers/shaders/ShaderChunk/lights_physical_pars_fragment.glsl.js
@@ -5,7 +5,7 @@ struct PhysicalMaterial {
 
				 	float	specularRoughness;
			
 
				 	vec3	specularColor;
			
 
				 
			
 
				-	#ifndef STANDARD
			
 
				+	#ifdef PHYSICAL
			
 
				 		float clearCoat;
			
 
				 		float clearCoatRoughness;
			
 
				 	#endif
			
@@ -76,7 +76,7 @@ void RE_Direct_Physical( const in IncidentLight directLight, const in GeometricC
 
				 
			
 
				 	#endif
			
 
				 
			
 
				-	#ifndef STANDARD
			
 
				+	#ifdef PHYSICAL
			
 
				 
			
 
				 		float ccDotNL = saturate( dot( geometry.clearCoatNormal, directLight.direction ) );
			
 
				 
			
@@ -111,7 +111,7 @@ void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricCo
 
				 
			
 
				 void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {
			
 
				 
			
 
				-	#ifndef STANDARD
			
 
				+	#ifdef PHYSICAL
			
 
				 
			
 
				 		float ccDotNV = saturate( dot( geometry.clearCoatNormal, geometry.viewDir ) );
			
 
				 
			
--- a/src/renderers/shaders/ShaderChunk/normal_fragment_begin.glsl.js
+++ b/src/renderers/shaders/ShaderChunk/normal_fragment_begin.glsl.js
@@ -33,7 +33,7 @@ export default /* glsl */`
 
				 
			
 
				 #endif
			
 
				 
			
 
				-// non perturbed normal for clearcoat
			
 
				+// non perturbed normal for clearcoat among others
			
 
				 
			
 
				 vec3 geometryNormal = normal;