WebGLRenderer: Simplified sorting code.

src/renderers/WebGLRenderer.js

@@ -3178,11 +3178,11 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		if ( a.material.id !== b.material.id ) {
 
-			return b.material.id - a.material.id;
+			return a.material.id - b.material.id;
 
 		} else if ( a.z !== b.z ) {
 
-			return b.z - a.z;
+			return a.z - b.z;
 
 		} else {
 
@@ -3196,7 +3196,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		if ( a.z !== b.z ) {
 
-			return a.z - b.z;
+			return b.z - a.z;
 
 		} else {
 
@@ -3429,7 +3429,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		var material;
 
-		for ( var i = renderList.length - 1; i !== - 1; i -- ) {
+		for ( var i = 0, l = renderList.length; i < l; i ++ ) {
 
 			var webglObject = renderList[ i ];
 
@@ -3476,7 +3476,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		var material;
 
-		for ( var i = 0, il = renderList.length; i < il; i ++ ) {
+		for ( var i = 0, l = renderList.length; i < l; i ++ ) {
 
 			var webglObject = renderList[ i ];
 			var object = webglObject.object;
@@ -5664,7 +5664,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 			if ( texture.minFilter !== THREE.NearestFilter && texture.minFilter !== THREE.LinearFilter ) {
 
-				console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter is set to THREE.LinearFilter or THREE.NearestFilter. ( ' + texture.sourceFile + ' )' );			
+				console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter is set to THREE.LinearFilter or THREE.NearestFilter. ( ' + texture.sourceFile + ' )' );
 
 			}