Added call to .sortFacesByMaterial() in relevant examples.

examples/webgl_effects_parallaxbarrier.html

@@ -560,6 +560,8 @@
 
 			function createScene( geometry, car ) {
 
+				geometry.sortFacesByMaterial();
+
 				var m = new THREE.MeshFaceMaterial(),
 					s = CARS[ car ].scale * 1,
 					r = CARS[ car ].init_rotation,

examples/webgl_materials.html

@@ -100,6 +100,8 @@
 
 				}
 
+				geometry_pieces.sortFacesByMaterial();
+
 				objects = [];
 
 				for ( var i = 0, l = materials.length; i < l; i ++ ) {

examples/webgl_materials_cars.html

@@ -568,6 +568,8 @@
 
 			function createScene( geometry, car ) {
 
+				geometry.sortFacesByMaterial();
+
 				var m = new THREE.MeshFaceMaterial(),
 					s = CARS[ car ].scale * 1,
 					r = CARS[ car ].init_rotation,