CloneProperties renamed _copyFrom, swap src / dest arg order

examples/js/renderers/CanvasRenderer.js

@@ -22,7 +22,7 @@ THREE.SpriteCanvasMaterial.prototype.clone = function () {
 
 	var material = new THREE.SpriteCanvasMaterial();
 
-	THREE.Material.prototype.cloneProperties.call( this, material );
+	THREE.Material.prototype._copyFrom.call( material, this );
 
 	material.color.copy( this.color );
 	material.program = this.program;

examples/js/wip/ProxyGeometry.js

@@ -741,7 +741,7 @@ THREE.ProxyGeometry.prototype.computeBoundingBox = function () {
 };
 THREE.ProxyGeometry.prototype.clone = function () {
 
-	var buff = THREE.BufferGeometry.prototype.cloneProperties.call(this);
+	var buff = THREE.BufferGeometry.prototype.clone.call( this );
 	var geo = new THREE.ProxyGeometry();
 	geo.attributes = buff.attributes;
 	geo.offsets = buff.drawcalls;

src/cameras/Camera.js

@@ -53,17 +53,17 @@ THREE.Camera.prototype.lookAt = function () {
 THREE.Camera.prototype.clone = function () {
 
 	var camera = new THREE.Camera();
-	return this.cloneProperties( camera );
+	return camera._copyFrom( this );
 
 };
 
-THREE.Camera.prototype.cloneProperties = function ( camera ) {
+THREE.Camera.prototype._copyFrom = function ( source ) {
 
-	THREE.Object3D.prototype.cloneProperties.call( this, camera );
+	THREE.Object3D.prototype._copyFrom.call( this, source );
 
-	camera.matrixWorldInverse.copy( this.matrixWorldInverse );
-	camera.projectionMatrix.copy( this.projectionMatrix );
+	this.matrixWorldInverse.copy( source.matrixWorldInverse );
+	this.projectionMatrix.copy( source.projectionMatrix );
 
-	return camera;
+	return this;
 
 };

src/cameras/OrthographicCamera.js

@@ -40,7 +40,7 @@ THREE.OrthographicCamera.prototype.clone = function () {
 
 	var camera = new THREE.OrthographicCamera();
 
-	THREE.Camera.prototype.cloneProperties.call( this, camera );
+	THREE.Camera.prototype._copyFrom.call( camera, this );
 
 	camera.zoom = this.zoom;
 

src/cameras/PerspectiveCamera.js

@@ -126,7 +126,7 @@ THREE.PerspectiveCamera.prototype.clone = function () {
 
 	var camera = new THREE.PerspectiveCamera();
 
-	THREE.Camera.prototype.cloneProperties.call( this, camera );
+	THREE.Camera.prototype._copyFrom.call( camera, this );
 
 	camera.zoom = this.zoom;
 

src/core/BufferGeometry.js

@@ -1108,28 +1108,28 @@ THREE.BufferGeometry.prototype = {
 	clone: function () {
 
 		var geometry = new THREE.BufferGeometry();
-		return this.cloneProperties( geometry );
+		return geometry._copyFrom( this );
 
 	},
 
-	cloneProperties: function ( geometry ) {
+	_copyFrom: function ( source ) {
 
-		for ( var attr in this.attributes ) {
+		for ( var attr in source.attributes ) {
 
-			var sourceAttr = this.attributes[ attr ];
-			geometry.addAttribute( attr, sourceAttr.clone() );
+			var sourceAttr = source.attributes[ attr ];
+			this.addAttribute( attr, sourceAttr.clone() );
 
 		}
 
-		for ( var i = 0, il = this.drawcalls.length; i < il; i ++ ) {
+		for ( var i = 0, il = source.drawcalls.length; i < il; i ++ ) {
 
-			var offset = this.drawcalls[ i ];
+			var offset = source.drawcalls[ i ];
 
-			geometry.addDrawCall( offset.start, offset.count, offset.index );
+			this.addDrawCall( offset.start, offset.count, offset.index );
 
 		}
 
-		return geometry;
+		return this;
 
 	},
 

src/core/Geometry.js

@@ -1049,39 +1049,39 @@ THREE.Geometry.prototype = {
 	clone: function () {
 
 		var geometry = new THREE.Geometry();
-		return this.cloneProperties( geometry );
+		return geometry._copyFrom( this );
 
 	},
 
-	cloneProperties: function ( geometry ) {
+	_copyFrom: function ( source ) {
 
-		geometry.vertices = [];
-		geometry.faces = [];
-		geometry.faceVertexUvs = [ [] ];
+		this.vertices = [];
+		this.faces = [];
+		this.faceVertexUvs = [ [] ];
 
-		var vertices = this.vertices;
+		var vertices = source.vertices;
 
 		for ( var i = 0, il = vertices.length; i < il; i ++ ) {
 
-			geometry.vertices.push( vertices[ i ].clone() );
+			this.vertices.push( vertices[ i ].clone() );
 
 		}
 
-		var faces = this.faces;
+		var faces = source.faces;
 
 		for ( var i = 0, il = faces.length; i < il; i ++ ) {
 
-			geometry.faces.push( faces[ i ].clone() );
+			this.faces.push( faces[ i ].clone() );
 
 		}
 
-		for ( var i = 0, il = this.faceVertexUvs.length; i < il; i ++ ) {
+		for ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {
 
-			var faceVertexUvs = this.faceVertexUvs[ i ];
+			var faceVertexUvs = source.faceVertexUvs[ i ];
 
-			if ( geometry.faceVertexUvs[ i ] === undefined ) {
+			if ( this.faceVertexUvs[ i ] === undefined ) {
 
-				geometry.faceVertexUvs[ i ] = [];
+				this.faceVertexUvs[ i ] = [];
 
 			}
 
@@ -1097,13 +1097,13 @@ THREE.Geometry.prototype = {
 
 				}
 
-				geometry.faceVertexUvs[ i ].push( uvsCopy );
+				this.faceVertexUvs[ i ].push( uvsCopy );
 
 			}
 
 		}
 
-		return geometry;
+		return this;
 
 	},
 

src/core/Object3D.js

@@ -662,52 +662,52 @@ THREE.Object3D.prototype = {
 	clone: function ( recursive ) {
 
 		var object = new THREE.Object3D();
-		return this.cloneProperties( object, recursive );
+		return object._copyFrom( this, recursive );
 
 	},
 
-	cloneProperties: function ( object, recursive ) {
+	_copyFrom: function ( source, recursive ) {
 
 		if ( recursive === undefined ) recursive = true;
 
-		object.name = this.name;
+		this.name = source.name;
 
-		object.up.copy( this.up );
+		this.up.copy( source.up );
 
-		object.position.copy( this.position );
-		object.quaternion.copy( this.quaternion );
-		object.scale.copy( this.scale );
+		this.position.copy( source.position );
+		this.quaternion.copy( source.quaternion );
+		this.scale.copy( source.scale );
 
-		object.rotationAutoUpdate = this.rotationAutoUpdate;
+		this.rotationAutoUpdate = source.rotationAutoUpdate;
 
-		object.matrix.copy( this.matrix );
-		object.matrixWorld.copy( this.matrixWorld );
+		this.matrix.copy( source.matrix );
+		this.matrixWorld.copy( source.matrixWorld );
 
-		object.matrixAutoUpdate = this.matrixAutoUpdate;
-		object.matrixWorldNeedsUpdate = this.matrixWorldNeedsUpdate;
+		this.matrixAutoUpdate = source.matrixAutoUpdate;
+		this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;
 
-		object.visible = this.visible;
+		this.visible = source.visible;
 
-		object.castShadow = this.castShadow;
-		object.receiveShadow = this.receiveShadow;
+		this.castShadow = source.castShadow;
+		this.receiveShadow = source.receiveShadow;
 
-		object.frustumCulled = this.frustumCulled;
-		object.renderOrder = this.renderOrder;
+		this.frustumCulled = source.frustumCulled;
+		this.renderOrder = source.renderOrder;
 
-		object.userData = JSON.parse( JSON.stringify( this.userData ) );
+		this.userData = JSON.parse( JSON.stringify( source.userData ) );
 
 		if ( recursive === true ) {
 
-			for ( var i = 0; i < this.children.length; i ++ ) {
+			for ( var i = 0; i < source.children.length; i ++ ) {
 
-				var child = this.children[ i ];
-				object.add( child.clone() );
+				var child = source.children[ i ];
+				this.add( child.clone() );
 
 			}
 
 		}
 
-		return object;
+		return this;
 
 	}
 

src/extras/geometries/CircleBufferGeometry.js

@@ -77,7 +77,7 @@ THREE.CircleBufferGeometry.prototype.clone = function () {
 		this.parameters.thetaLength
 	);
 
-	THREE.BufferGeometry.prototype.cloneProperties.call( this, geometry );
+	THREE.BufferGeometry.prototype._copyFrom.call( geometry, this );
 
 	return geometry;
 

src/extras/geometries/DodecahedronGeometry.js

@@ -64,7 +64,7 @@ THREE.DodecahedronGeometry.prototype.clone = function () {
 		this.parameters.detail
 	);
 
-	THREE.PolyhedronGeometry.prototype.cloneProperties.call( this, geometry );
+	THREE.PolyhedronGeometry.prototype._copyFrom.call( geometry, this );
 
 	return geometry;
 

src/extras/geometries/IcosahedronGeometry.js

@@ -39,7 +39,7 @@ THREE.IcosahedronGeometry.prototype.clone = function () {
 		this.parameters.detail
 	);
 
-	THREE.PolyhedronGeometry.prototype.cloneProperties.call( this, geometry );
+	THREE.PolyhedronGeometry.prototype._copyFrom.call( geometry, this );
 
 	return geometry;
 

src/extras/geometries/OctahedronGeometry.js

@@ -32,7 +32,7 @@ THREE.OctahedronGeometry.prototype.clone = function () {
 		this.parameters.detail
 	);
 
-	THREE.PolyhedronGeometry.prototype.cloneProperties.call( this, geometry );
+	THREE.PolyhedronGeometry.prototype._copyFrom.call( geometry, this );
 
 	return geometry;
 

src/extras/geometries/PlaneBufferGeometry.js

@@ -104,7 +104,7 @@ THREE.PlaneBufferGeometry.prototype.clone = function () {
 		this.parameters.heightSegments
 	);
 
-	THREE.BufferGeometry.prototype.cloneProperties.call( this, geometry );
+	THREE.BufferGeometry.prototype._copyFrom.call( geometry, this );
 
 	return geometry;
 

src/extras/geometries/PolyhedronGeometry.js

@@ -243,13 +243,13 @@ THREE.PolyhedronGeometry.prototype.clone = function () {
 		this.parameters.detail
 	);
 
-	return this.cloneProperties( geometry );
+	return geometry._copyFrom( this );
 
 };
 
-THREE.PolyhedronGeometry.prototype.cloneProperties = function ( geometry ) {
+THREE.PolyhedronGeometry.prototype._copyFrom = function ( source ) {
 
-	THREE.Geometry.prototype.cloneProperties.call( this, geometry );
-	return geometry;
+	THREE.Geometry.prototype._copyFrom.call( this, source );
+	return this;
 
 };

src/extras/geometries/SphereBufferGeometry.js

@@ -112,7 +112,7 @@ THREE.SphereBufferGeometry.prototype.clone = function () {
 		this.parameters.thetaLength
 	);
 
-	THREE.BufferGeometry.prototype.cloneProperties.call( this, geometry );
+	THREE.BufferGeometry.prototype._copyFrom.call( geometry, this );
 
 	return geometry;
 

src/extras/geometries/TetrahedronGeometry.js

@@ -33,7 +33,7 @@ THREE.TetrahedronGeometry.prototype.clone = function () {
 		this.parameters.detail
 	);
 
-	THREE.PolyhedronGeometry.prototype.cloneProperties.call( this, geometry );
+	THREE.PolyhedronGeometry.prototype._copyFrom.call( geometry, this );
 
 	return geometry;
 

src/lights/AmbientLight.js

@@ -17,7 +17,7 @@ THREE.AmbientLight.prototype.clone = function () {
 
 	var light = new THREE.AmbientLight();
 
-	THREE.Light.prototype.cloneProperties.call( this, light );
+	THREE.Light.prototype._copyFrom.call( light, this );
 
 	return light;
 

src/lights/AreaLight.js

@@ -31,7 +31,7 @@ THREE.AreaLight.prototype.clone = function () {
 
 	var light = new THREE.AreaLight();
 
-	THREE.Light.prototype.cloneProperties.call( this, light );
+	THREE.Light.prototype._copyFrom.call( light, this );
 
 	light.normal.copy(this.normal);
 	light.right.copy(this.right);
@@ -40,7 +40,7 @@ THREE.AreaLight.prototype.clone = function () {
 	light.height = this.height;
 	light.constantAttenuation = this.constantAttenuation;
 	light.linearAttenuation = this.linearAttenuation;
-	light.quadraticAttenuation = this.quadraticAttenuation
+	light.quadraticAttenuation = this.quadraticAttenuation;
 
 	return light;
 

src/lights/DirectionalLight.js

@@ -67,7 +67,7 @@ THREE.DirectionalLight.prototype.clone = function () {
 
 	var light = new THREE.DirectionalLight();
 
-	THREE.Light.prototype.cloneProperties.call( this, light );
+	THREE.Light.prototype._copyFrom.call( light, this );
 
 	light.target = this.target.clone();
 

src/lights/HemisphereLight.js

@@ -22,7 +22,7 @@ THREE.HemisphereLight.prototype.clone = function () {
 
 	var light = new THREE.HemisphereLight();
 
-	THREE.Light.prototype.cloneProperties.call( this, light );
+	THREE.Light.prototype._copyFrom.call( light, this );
 
 	light.groundColor.copy( this.groundColor );
 	light.intensity = this.intensity;

src/lights/Light.js

@@ -19,15 +19,15 @@ THREE.Light.prototype.constructor = THREE.Light;
 THREE.Light.prototype.clone = function () {
 
 	var light = new THREE.Light();
-	return this.cloneProperties( light );
+	return light._copyFrom( this );
 
 };
 
-THREE.Light.prototype.cloneProperties = function ( light ) {
+THREE.Light.prototype._copyFrom = function ( source ) {
 
-	THREE.Object3D.prototype.cloneProperties.call( this, light );
-	light.color.copy( this.color );
+	THREE.Object3D.prototype._copyFrom.call( this, source );
+	this.color.copy( source.color );
 
-	return light;
+	return this;
 
 };

src/lights/PointLight.js

@@ -21,7 +21,7 @@ THREE.PointLight.prototype.clone = function () {
 
 	var light = new THREE.PointLight();
 
-	THREE.Light.prototype.cloneProperties.call( this, light );
+	THREE.Light.prototype._copyFrom.call( light, this );
 
 	light.intensity = this.intensity;
 	light.distance = this.distance;

src/lights/SpotLight.js

@@ -50,7 +50,7 @@ THREE.SpotLight.prototype.clone = function () {
 
 	var light = new THREE.SpotLight();
 
-	THREE.Light.prototype.cloneProperties.call( this, light );
+	THREE.Light.prototype._copyFrom.call( light, this );
 
 	light.target = this.target.clone();
 

src/materials/LineBasicMaterial.js

@@ -47,7 +47,7 @@ THREE.LineBasicMaterial.prototype.clone = function () {
 
 	var material = new THREE.LineBasicMaterial();
 
-	THREE.Material.prototype.cloneProperties.call( this, material );
+	THREE.Material.prototype._copyFrom.call( material, this );
 
 	material.color.copy( this.color );
 

src/materials/LineDashedMaterial.js

@@ -50,7 +50,7 @@ THREE.LineDashedMaterial.prototype.clone = function () {
 
 	var material = new THREE.LineDashedMaterial();
 
-	THREE.Material.prototype.cloneProperties.call( this, material );
+	THREE.Material.prototype._copyFrom.call( material, this );
 
 	material.color.copy( this.color );
 

src/materials/Material.js

@@ -164,43 +164,43 @@ THREE.Material.prototype = {
 	clone: function () {
 
 		var material = new THREE.Material();
-		return this.cloneProperties( material );
+		return material._copyFrom( this );
 
 	},
 
-	cloneProperties: function ( material ) {
+	_copyFrom: function ( source ) {
 
-		material.name = this.name;
+		this.name = source.name;
 
-		material.side = this.side;
+		this.side = source.side;
 
-		material.opacity = this.opacity;
-		material.transparent = this.transparent;
+		this.opacity = source.opacity;
+		this.transparent = source.transparent;
 
-		material.blending = this.blending;
+		this.blending = source.blending;
 
-		material.blendSrc = this.blendSrc;
-		material.blendDst = this.blendDst;
-		material.blendEquation = this.blendEquation;
-		material.blendSrcAlpha = this.blendSrcAlpha;
-		material.blendDstAlpha = this.blendDstAlpha;
-		material.blendEquationAlpha = this.blendEquationAlpha;
+		this.blendSrc = source.blendSrc;
+		this.blendDst = source.blendDst;
+		this.blendEquation = source.blendEquation;
+		this.blendSrcAlpha = source.blendSrcAlpha;
+		this.blendDstAlpha = source.blendDstAlpha;
+		this.blendEquationAlpha = source.blendEquationAlpha;
 
-		material.depthFunc = this.depthFunc;
-		material.depthTest = this.depthTest;
-		material.depthWrite = this.depthWrite;
+		this.depthFunc = source.depthFunc;
+		this.depthTest = source.depthTest;
+		this.depthWrite = source.depthWrite;
 
-		material.polygonOffset = this.polygonOffset;
-		material.polygonOffsetFactor = this.polygonOffsetFactor;
-		material.polygonOffsetUnits = this.polygonOffsetUnits;
+		this.polygonOffset = source.polygonOffset;
+		this.polygonOffsetFactor = source.polygonOffsetFactor;
+		this.polygonOffsetUnits = source.polygonOffsetUnits;
 
-		material.alphaTest = this.alphaTest;
+		this.alphaTest = source.alphaTest;
 
-		material.overdraw = this.overdraw;
+		this.overdraw = source.overdraw;
 
-		material.visible = this.visible;
+		this.visible = source.visible;
 
-		return material;
+		return this;
 
 	},
 

src/materials/MeshBasicMaterial.js

@@ -83,7 +83,7 @@ THREE.MeshBasicMaterial.prototype.clone = function () {
 
 	var material = new THREE.MeshBasicMaterial();
 
-	THREE.Material.prototype.cloneProperties.call( this, material );
+	THREE.Material.prototype._copyFrom.call( material, this );
 
 	material.color.copy( this.color );
 

src/materials/MeshDepthMaterial.js

@@ -35,7 +35,7 @@ THREE.MeshDepthMaterial.prototype.clone = function () {
 
 	var material = new THREE.MeshDepthMaterial();
 
-	THREE.Material.prototype.cloneProperties.call( this, material );
+	THREE.Material.prototype._copyFrom.call( material, this );
 
 	material.wireframe = this.wireframe;
 	material.wireframeLinewidth = this.wireframeLinewidth;

src/materials/MeshLambertMaterial.js

@@ -82,7 +82,7 @@ THREE.MeshLambertMaterial.prototype.clone = function () {
 
 	var material = new THREE.MeshLambertMaterial();
 
-	THREE.Material.prototype.cloneProperties.call( this, material );
+	THREE.Material.prototype._copyFrom.call( material, this );
 
 	material.color.copy( this.color );
 	material.emissive.copy( this.emissive );

src/materials/MeshNormalMaterial.js

@@ -36,7 +36,7 @@ THREE.MeshNormalMaterial.prototype.clone = function () {
 
 	var material = new THREE.MeshNormalMaterial();
 
-	THREE.Material.prototype.cloneProperties.call( this, material );
+	THREE.Material.prototype._copyFrom.call( material, this );
 
 	material.wireframe = this.wireframe;
 	material.wireframeLinewidth = this.wireframeLinewidth;

src/materials/MeshPhongMaterial.js

@@ -116,7 +116,7 @@ THREE.MeshPhongMaterial.prototype.clone = function () {
 
 	var material = new THREE.MeshPhongMaterial();
 
-	THREE.Material.prototype.cloneProperties.call( this, material );
+	THREE.Material.prototype._copyFrom.call( material, this );
 
 	material.color.copy( this.color );
 	material.emissive.copy( this.emissive );

src/materials/PointCloudMaterial.js

@@ -48,7 +48,7 @@ THREE.PointCloudMaterial.prototype.clone = function () {
 
 	var material = new THREE.PointCloudMaterial();
 
-	THREE.Material.prototype.cloneProperties.call( this, material );
+	THREE.Material.prototype._copyFrom.call( material, this );
 
 	material.color.copy( this.color );
 

src/materials/RawShaderMaterial.js

@@ -17,7 +17,7 @@ THREE.RawShaderMaterial.prototype.clone = function () {
 
 	var material = new THREE.RawShaderMaterial();
 
-	THREE.ShaderMaterial.prototype.cloneProperties.call( this, material );
+	THREE.ShaderMaterial.prototype._copyFrom.call( material, this );
 
 	return material;
 

src/materials/ShaderMaterial.js

@@ -92,39 +92,39 @@ THREE.ShaderMaterial.prototype.constructor = THREE.ShaderMaterial;
 THREE.ShaderMaterial.prototype.clone = function () {
 
 	var material = new THREE.ShaderMaterial();
-	return this.clone( material );
+	return material._copyFrom( this );
 
 };
 
-THREE.ShaderMaterial.prototype.cloneProperties = function ( material ) {
+THREE.ShaderMaterial.prototype._copyFrom = function ( source ) {
 
-	THREE.Material.prototype.cloneProperties.call( this, material );
+	THREE.Material.prototype._copyFrom.call( this, source );
 
-	material.fragmentShader = this.fragmentShader;
-	material.vertexShader = this.vertexShader;
+	this.fragmentShader = source.fragmentShader;
+	this.vertexShader = source.vertexShader;
 
-	material.uniforms = THREE.UniformsUtils.clone( this.uniforms );
+	this.uniforms = THREE.UniformsUtils.clone( source.uniforms );
 
-	material.attributes = this.attributes;
-	material.defines = this.defines;
+	this.attributes = source.attributes;
+	this.defines = source.defines;
 
-	material.shading = this.shading;
+	this.shading = source.shading;
 
-	material.wireframe = this.wireframe;
-	material.wireframeLinewidth = this.wireframeLinewidth;
+	this.wireframe = source.wireframe;
+	this.wireframeLinewidth = source.wireframeLinewidth;
 
-	material.fog = this.fog;
+	this.fog = source.fog;
 
-	material.lights = this.lights;
+	this.lights = source.lights;
 
-	material.vertexColors = this.vertexColors;
+	this.vertexColors = source.vertexColors;
 
-	material.skinning = this.skinning;
+	this.skinning = source.skinning;
 
-	material.morphTargets = this.morphTargets;
-	material.morphNormals = this.morphNormals;
+	this.morphTargets = source.morphTargets;
+	this.morphNormals = source.morphNormals;
 
-	return material;
+	return this;
 
 };
 

src/materials/SpriteMaterial.js

@@ -43,7 +43,7 @@ THREE.SpriteMaterial.prototype.clone = function () {
 
 	var material = new THREE.SpriteMaterial();
 
-	THREE.Material.prototype.cloneProperties.call( this, material );
+	THREE.Material.prototype._copyFrom.call( material, this );
 
 	material.color.copy( this.color );
 	material.map = this.map;

src/objects/Bone.js

@@ -20,15 +20,15 @@ THREE.Bone.prototype.constructor = THREE.Bone;
 THREE.Bone.prototype.clone = function () {
 
 	var bone = new THREE.Bone( this.skin );
-	return this.cloneProperties( bone );
+	return bone._copyFrom( this );
 
 };
 
-THREE.Bone.prototype.cloneProperties = function ( bone ) {
+THREE.Bone.prototype._copyFrom = function ( source ) {
 
-	THREE.Object3D.prototype.cloneProperties.call( this, bone );
-	bone.skin = this.skin;
+	THREE.Object3D.prototype._copyFrom.call( this, source );
+	this.skin = source.skin;
 
-	return bone;
+	return this;
 
 };

src/objects/Group.js

@@ -16,13 +16,13 @@ THREE.Group.prototype.constructor = THREE.Group;
 THREE.Group.prototype.clone = function () {
 
 	var group = new THREE.Group();
-	return this.cloneProperties( group );
+	return group._copyFrom( this );
 
 };
 
-THREE.Group.prototype.cloneProperties = function ( group ) {
+THREE.Group.prototype._copyFrom = function ( source ) {
 
-	THREE.Object3D.prototype.cloneProperties.call( this, group );
-	return group;
+	THREE.Object3D.prototype._copyFrom.call( this, source );
+	return this;
 
 };

src/objects/LOD.js

@@ -133,25 +133,25 @@ THREE.LOD.prototype.update = function () {
 THREE.LOD.prototype.clone = function () {
 
 	var lod = new THREE.LOD();
-	return this.cloneProperties( lod );
+	return lod._copyFrom( this );
 
 };
 
 
-THREE.LOD.prototype.cloneProperties = function ( lod ) {
+THREE.LOD.prototype._copyFrom = function ( source ) {
 
-	THREE.Object3D.prototype.cloneProperties.call( this, lod, false );
+	THREE.Object3D.prototype._copyFrom.call( this, source, false );
 
-	var levels = this.levels;
+	var levels = source.levels;
 
 	for ( var i = 0, l = levels.length; i < l; i ++ ) {
 
 		var level = levels[ i ];
 
-		lod.addLevel( level.object.clone(), level.distance );
+		this.addLevel( level.object.clone(), level.distance );
 
 	}
 
-	return lod;
+	return this;
 
 };

src/objects/LensFlare.js

@@ -81,23 +81,23 @@ THREE.LensFlare.prototype.updateLensFlares = function () {
 THREE.LensFlare.prototype.clone = function () {
 
 	var flare = new THREE.LensFlare();
-	return this.cloneProperties( flare );
+	return flare._copyFrom( this );
 
 };
 
-THREE.LensFlare.prototype.cloneProperties = function ( flare ) {
+THREE.LensFlare.prototype._copyFrom = function ( source ) {
 
-	THREE.Object3D.prototype.cloneProperties.call( this, flare );
+	THREE.Object3D.prototype._copyFrom.call( this, source );
 
-	flare.positionScreen.copy( this.positionScreen );
-	flare.customUpdateCallback = this.customUpdateCallback;
+	this.positionScreen.copy( source.positionScreen );
+	this.customUpdateCallback = source.customUpdateCallback;
 
-	for ( var i = 0, l = this.lensFlares.length; i < l; i ++ ) {
+	for ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) {
 
-		flare.lensFlares.push( this.lensFlares[ i ] );
+		this.lensFlares.push( source.lensFlares[ i ] );
 
 	}
 
-	return flare;
+	return this;
 
 };

src/objects/Line.js

@@ -186,14 +186,14 @@ THREE.Line.prototype.raycast = ( function () {
 THREE.Line.prototype.clone = function () {
 
 	var line = new THREE.Line( this.geometry, this.material );
-	return this.cloneProperties( line );
+	return line._copyFrom( this );
 
 };
 
-THREE.Line.prototype.cloneProperties = function ( line ) {
+THREE.Line.prototype._copyFrom = function ( source ) {
 
-	THREE.Object3D.prototype.cloneProperties.call( this, line );
-	return line;
+	THREE.Object3D.prototype._copyFrom.call( this, source );
+	return this;
 
 };
 

src/objects/LineSegments.js

@@ -17,7 +17,7 @@ THREE.LineSegments.prototype.clone = function () {
 
 	var line = new THREE.LineSegments( this.geometry, this.material );
 
-	THREE.Line.prototype.cloneProperties.call( this, line );
+	THREE.Line.prototype._copyFrom.call( line, this );
 
 	return line;
 

src/objects/Mesh.js

@@ -308,15 +308,14 @@ THREE.Mesh.prototype.raycast = ( function () {
 THREE.Mesh.prototype.clone = function () {
 
 	var mesh = new THREE.Mesh( this.geometry, this.material );
-	return this.cloneProperties( mesh );
+	return mesh._copyFrom( this );
 
 };
 
-THREE.Mesh.prototype.cloneProperties = function ( mesh ) {
+THREE.Mesh.prototype._copyFrom = function ( source ) {
 
-	THREE.Object3D.prototype.cloneProperties.call( this, mesh );
-
-	return mesh;
+	THREE.Object3D.prototype._copyFrom.call( this, source );
+	return this;
 
 };
 

src/objects/MorphAnimMesh.js

@@ -195,24 +195,24 @@ THREE.MorphAnimMesh.prototype.interpolateTargets = function ( a, b, t ) {
 THREE.MorphAnimMesh.prototype.clone = function () {
 
 	var morph = new THREE.MorphAnimMesh( this.geometry, this.material );
-	return this.cloneProperties( morph );
+	return morph._copyFrom( this );
 
 };
 
-THREE.MorphAnimMesh.prototype.cloneProperties = function ( morph ) {
+THREE.MorphAnimMesh.prototype._copyFrom = function ( source ) {
 
-	morph.duration = this.duration;
-	morph.mirroredLoop = this.mirroredLoop;
-	morph.time = this.time;
+	this.duration = source.duration;
+	this.mirroredLoop = source.mirroredLoop;
+	this.time = source.time;
 
-	morph.lastKeyframe = this.lastKeyframe;
-	morph.currentKeyframe = this.currentKeyframe;
+	this.lastKeyframe = source.lastKeyframe;
+	this.currentKeyframe = source.currentKeyframe;
 
-	morph.direction = this.direction;
-	morph.directionBackwards = this.directionBackwards;
+	this.direction = source.direction;
+	this.directionBackwards = source.directionBackwards;
 
-	THREE.Mesh.prototype.cloneProperties.call( this, morph );
+	THREE.Mesh.prototype._copyFrom.call( this, source );
 
-	return morph;
+	return this;
 
 };

src/objects/PointCloud.js

@@ -139,14 +139,14 @@ THREE.PointCloud.prototype.raycast = ( function () {
 THREE.PointCloud.prototype.clone = function () {
 
 	var pointCloud = new THREE.PointCloud( this.geometry, this.material );
-	return this.cloneProperties( pointCloud );
+	return pointCloud._copyFrom( this );
 
 };
 
-THREE.PointCloud.prototype.cloneProperties = function ( pointCloud ) {
+THREE.PointCloud.prototype._copyFrom = function ( source ) {
 
-	THREE.Object3D.prototype.cloneProperties.call( this, pointCloud );
-	return pointCloud;
+	THREE.Object3D.prototype._copyFrom.call( this, source );
+	return this;
 
 };
 

src/objects/SkinnedMesh.js

@@ -157,13 +157,13 @@ THREE.SkinnedMesh.prototype.updateMatrixWorld = function( force ) {
 THREE.SkinnedMesh.prototype.clone = function() {
 
 	var skinMesh = new THREE.SkinnedMesh( this.geometry, this.material, this.useVertexTexture );
-	return this.cloneProperties( skinMesh );
+	return skinMesh._copyFrom( this );
 
 };
 
-THREE.SkinnedMesh.prototype.cloneProperties = function( skinMesh ) {
+THREE.SkinnedMesh.prototype._copyFrom = function( source ) {
 
-	THREE.Mesh.prototype.cloneProperties.call( this, skinMesh );
-	return skinMesh;
+	THREE.Mesh.prototype._copyFrom.call( this, source );
+	return this;
 
 };

src/objects/Sprite.js

@@ -63,14 +63,14 @@ THREE.Sprite.prototype.raycast = ( function () {
 THREE.Sprite.prototype.clone = function () {
 
 	var sprite = new THREE.Sprite( this.material );
-	return this.cloneProperties( sprite );
+	return sprite._copyFrom( this );
 
 };
 
-THREE.Sprite.prototype.cloneProperties = function ( sprite ) {
+THREE.Sprite.prototype._copyFrom = function ( source ) {
 
-	THREE.Object3D.prototype.cloneProperties.call( this, sprite );
-	return sprite;
+	THREE.Object3D.prototype._copyFrom.call( this, source );
+	return this;
 
 };
 

src/scenes/Scene.js

@@ -21,22 +21,20 @@ THREE.Scene.prototype.constructor = THREE.Scene;
 THREE.Scene.prototype.clone = function () {
 
 	var scene = new THREE.Scene();
-	return this.cloneProperties( scene );
+	return scene._copyFrom( this );
 
 };
 
-THREE.Scene.prototype.cloneProperties = function ( scene ) {
+THREE.Scene.prototype._copyFrom = function ( source ) {
 
-	if ( scene === undefined ) scene = new THREE.Scene();
+	THREE.Object3D.prototype._copyFrom.call( this, source );
 
-	THREE.Object3D.prototype.cloneProperties.call( this, scene );
+	if ( source.fog !== null ) this.fog = source.fog.clone();
+	if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();
 
-	if ( this.fog !== null ) scene.fog = this.fog.clone();
-	if ( this.overrideMaterial !== null ) scene.overrideMaterial = this.overrideMaterial.clone();
+	this.autoUpdate = source.autoUpdate;
+	this.matrixAutoUpdate = source.matrixAutoUpdate;
 
-	scene.autoUpdate = this.autoUpdate;
-	scene.matrixAutoUpdate = this.matrixAutoUpdate;
-
-	return scene;
+	return this;
 
 };

src/textures/CompressedTexture.js

@@ -28,7 +28,7 @@ THREE.CompressedTexture.prototype.clone = function () {
 
 	var texture = new THREE.CompressedTexture();
 
-	THREE.Texture.prototype.cloneProperties.call( this, texture );
+	THREE.Texture.prototype._copyFrom.call( texture, this );
 
 	return texture;
 

src/textures/CubeTexture.js

@@ -20,7 +20,7 @@ THREE.CubeTexture.clone = function () {
 
 	var texture = new THREE.CubeTexture();
 
-	THREE.Texture.prototype.cloneProperties.call( this, texture );
+	THREE.Texture.prototype._copyFrom.call( texture, this );
 
 	texture.images = this.images;
 

src/textures/DataTexture.js

@@ -17,7 +17,7 @@ THREE.DataTexture.prototype.clone = function () {
 
 	var texture = new THREE.DataTexture();
 
-	THREE.Texture.prototype.cloneProperties.call( this, texture );
+	THREE.Texture.prototype._copyFrom.call( texture, this );
 
 	return texture;
 

src/textures/Texture.js

@@ -66,37 +66,37 @@ THREE.Texture.prototype = {
 	clone: function () {
 
 		var texture = new THREE.Texture();
-		return this.cloneProperties( texture );
+		return texture._copyFrom( this );
 
 	},
 
-	cloneProperties: function ( texture ) {
+	_copyFrom: function ( source ) {
 
-		texture.image = this.image;
-		texture.mipmaps = this.mipmaps.slice( 0 );
+		this.image = source.image;
+		this.mipmaps = source.mipmaps.slice( 0 );
 
-		texture.mapping = this.mapping;
+		this.mapping = source.mapping;
 
-		texture.wrapS = this.wrapS;
-		texture.wrapT = this.wrapT;
+		this.wrapS = source.wrapS;
+		this.wrapT = source.wrapT;
 
-		texture.magFilter = this.magFilter;
-		texture.minFilter = this.minFilter;
+		this.magFilter = source.magFilter;
+		this.minFilter = source.minFilter;
 
-		texture.anisotropy = this.anisotropy;
+		this.anisotropy = source.anisotropy;
 
-		texture.format = this.format;
-		texture.type = this.type;
+		this.format = source.format;
+		this.type = source.type;
 
-		texture.offset.copy( this.offset );
-		texture.repeat.copy( this.repeat );
+		this.offset.copy( source.offset );
+		this.repeat.copy( source.repeat );
 
-		texture.generateMipmaps = this.generateMipmaps;
-		texture.premultiplyAlpha = this.premultiplyAlpha;
-		texture.flipY = this.flipY;
-		texture.unpackAlignment = this.unpackAlignment;
+		this.generateMipmaps = source.generateMipmaps;
+		this.premultiplyAlpha = source.premultiplyAlpha;
+		this.flipY = source.flipY;
+		this.unpackAlignment = source.unpackAlignment;
 
-		return texture;
+		return this;
 
 	},