add support for normal/bump scale

src/loaders/ObjectLoader.js

@@ -5,6 +5,7 @@
 THREE.ObjectLoader = function ( manager ) {
 
 	this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
+	this.texturePath = '';
 
 };
 
@@ -14,7 +15,7 @@ THREE.ObjectLoader.prototype = {
 
 	load: function ( url, onLoad, onProgress, onError ) {
 
-		if ( this.texturePath === undefined ) {
+		if ( this.texturePath === '' ) {
 
 			this.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 );
 
@@ -245,6 +246,9 @@ THREE.ObjectLoader.prototype = {
 				if ( data.bumpMap !== undefined ) {
 
 					material.bumpMap = getTexture( data.bumpMap );
+					if ( data.bumpScale ) {
+						material.bumpScale = new THREE.Vector2( data.bumpScale, data.bumpScale );
+					}
 
 				}
 
@@ -263,6 +267,9 @@ THREE.ObjectLoader.prototype = {
 				if ( data.normalMap !== undefined ) {
 
 					material.normalMap = getTexture( data.normalMap );
+					if ( data.normalScale ) {
+						material.normalScale = new THREE.Vector2( data.normalScale, data.normalScale );
+					}
 
 				}