diff --git a/src/renderers/WebGLRenderer.js b/src/renderers/WebGLRenderer.js
index e2514e8e0864adb4643e10344fa87050027379e0..97ff77da1e162ee48b3276c453f7a92e61b5465a 100644
--- a/src/renderers/WebGLRenderer.js
+++ b/src/renderers/WebGLRenderer.js
@@ -12,6 +12,7 @@ import { WebGLShadowMap } from './webgl/WebGLShadowMap';
 import { WebGLAttributes } from './webgl/WebGLAttributes';
 import { WebGLBackground } from './webgl/WebGLBackground';
 import { WebGLRenderLists } from './webgl/WebGLRenderLists';
+import { WebGLMorphtargets } from './webgl/WebGLMorphtargets';
 import { WebGLIndexedBufferRenderer } from './webgl/WebGLIndexedBufferRenderer';
 import { WebGLBufferRenderer } from './webgl/WebGLBufferRenderer';
 import { WebGLGeometries } from './webgl/WebGLGeometries';
@@ -60,8 +61,6 @@ function WebGLRenderer( parameters ) {
 
 	var currentRenderList = null;
 
-	var morphInfluences = new Float32Array( 8 );
-
 	var spritesArray = [];
 	var flaresArray = [];
 
@@ -245,7 +244,7 @@ function WebGLRenderer( parameters ) {
 	var properties, textures, attributes, geometries, objects, lights;
 	var programCache, renderLists;
 
-	var background, bufferRenderer, indexedBufferRenderer;
+	var background, morphtargets, bufferRenderer, indexedBufferRenderer;
 	var flareRenderer, spriteRenderer;
 
 	function initGLContext() {
@@ -276,6 +275,7 @@ function WebGLRenderer( parameters ) {
 		attributes = new WebGLAttributes( _gl );
 		geometries = new WebGLGeometries( _gl, attributes, _infoMemory );
 		objects = new WebGLObjects( geometries, _infoRender );
+		morphtargets = new WebGLMorphtargets( _gl );
 		programCache = new WebGLPrograms( _this, extensions, capabilities );
 		lights = new WebGLLights();
 		renderLists = new WebGLRenderLists();
@@ -657,14 +657,6 @@ function WebGLRenderer( parameters ) {
 
 	};
 
-	var influencesList = {};
-
-	function absNumericalSort( a, b ) {
-
-		return Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] );
-
-	}
-
 	this.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {
 
 		state.setMaterial( material );
@@ -681,91 +673,9 @@ function WebGLRenderer( parameters ) {
 
 		}
 
-		// morph targets
-
-		var objectInfluences = object.morphTargetInfluences;
-
-		if ( objectInfluences !== undefined ) {
-
-			var length = objectInfluences.length;
-
-			var influences = influencesList[ geometry.id ];
-
-			if ( influences === undefined ) {
-
-				// initialise list
-
-				influences = [];
-
-				for ( var i = 0; i < length; i ++ ) {
-
-					influences[ i ] = [ i, 0 ];
-
-				}
-
-				influencesList[ geometry.id ] = influences;
-
-			}
-
-			var morphTargets = material.morphTargets && geometry.morphAttributes.position;
-			var morphNormals = material.morphNormals && geometry.morphAttributes.normal;
-
-			// Remove current morphAttributes
-
-			for ( var i = 0; i < length; i ++ ) {
-
-				var influence = influences[ i ];
-
-				if ( influence[ 1 ] !== 0 ) {
-
-					if ( morphTargets ) geometry.removeAttribute( 'morphTarget' + i );
-					if ( morphNormals ) geometry.removeAttribute( 'morphNormal' + i );
-
-				}
-
-			}
-
-			// Collect influences
-
-			for ( var i = 0; i < length; i ++ ) {
-
-				var influence = influences[ i ];
-
-				influence[ 0 ] = i;
-				influence[ 1 ] = objectInfluences[ i ];
-
-			}
-
-			influences.sort( absNumericalSort );
-
-			// Add morphAttributes
-
-			for ( var i = 0; i < 8; i ++ ) {
-
-				var influence = influences[ i ];
-
-				if ( influence ) {
-
-					var index = influence[ 0 ];
-					var value = influence[ 1 ];
-
-					if ( value ) {
-
-						if ( morphTargets ) geometry.addAttribute( 'morphTarget' + i, morphTargets[ index ] );
-						if ( morphNormals ) geometry.addAttribute( 'morphNormal' + i, morphNormals[ index ] );
-
-						morphInfluences[ i ] = value;
-						continue;
-
-					}
-
-				}
-
-				morphInfluences[ i ] = 0;
-
-			}
+		if ( object.morphTargetInfluences ) {
 
-			program.getUniforms().setValue( _gl, 'morphTargetInfluences', morphInfluences );
+			morphtargets.update( object, geometry, material, program );
 
 			updateBuffers = true;
 
diff --git a/src/renderers/webgl/WebGLMorphtargets.js b/src/renderers/webgl/WebGLMorphtargets.js
new file mode 100644
index 0000000000000000000000000000000000000000..470049634a486cf251aa1cb22d048ce2979bb371
--- /dev/null
+++ b/src/renderers/webgl/WebGLMorphtargets.js
@@ -0,0 +1,111 @@
+/**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+function absNumericalSort( a, b ) {
+
+	return Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] );
+
+}
+
+function WebGLMorphtargets( gl ) {
+
+	var influencesList = {};
+	var morphInfluences = new Float32Array( 8 );
+
+	function update( object, geometry, material, program ) {
+
+		var objectInfluences = object.morphTargetInfluences;
+
+		var length = objectInfluences.length;
+
+		var influences = influencesList[ geometry.id ];
+
+		if ( influences === undefined ) {
+
+			// initialise list
+
+			influences = [];
+
+			for ( var i = 0; i < length; i ++ ) {
+
+				influences[ i ] = [ i, 0 ];
+
+			}
+
+			influencesList[ geometry.id ] = influences;
+
+		}
+
+		var morphTargets = material.morphTargets && geometry.morphAttributes.position;
+		var morphNormals = material.morphNormals && geometry.morphAttributes.normal;
+
+		// Remove current morphAttributes
+
+		for ( var i = 0; i < length; i ++ ) {
+
+			var influence = influences[ i ];
+
+			if ( influence[ 1 ] !== 0 ) {
+
+				if ( morphTargets ) geometry.removeAttribute( 'morphTarget' + i );
+				if ( morphNormals ) geometry.removeAttribute( 'morphNormal' + i );
+
+			}
+
+		}
+
+		// Collect influences
+
+		for ( var i = 0; i < length; i ++ ) {
+
+			var influence = influences[ i ];
+
+			influence[ 0 ] = i;
+			influence[ 1 ] = objectInfluences[ i ];
+
+		}
+
+		influences.sort( absNumericalSort );
+
+		// Add morphAttributes
+
+		for ( var i = 0; i < 8; i ++ ) {
+
+			var influence = influences[ i ];
+
+			if ( influence ) {
+
+				var index = influence[ 0 ];
+				var value = influence[ 1 ];
+
+				if ( value ) {
+
+					if ( morphTargets ) geometry.addAttribute( 'morphTarget' + i, morphTargets[ index ] );
+					if ( morphNormals ) geometry.addAttribute( 'morphNormal' + i, morphNormals[ index ] );
+
+					morphInfluences[ i ] = value;
+					continue;
+
+				}
+
+			}
+
+			morphInfluences[ i ] = 0;
+
+		}
+
+		program.getUniforms().setValue( gl, 'morphTargetInfluences', morphInfluences );
+
+	}
+
+	return {
+
+		update: update
+
+	}
+
+}
+
+
+export { WebGLMorphtargets };