ormal = normalize( cross( fdx, fdy ) );
				float diffuse = dot( normal, vec3( 0.0, 0.0, 1.0 ) );

				gl_FragColor = vec4( diffuse * color, 1.0 );
			#endif

		}

	</script>

	<script>

		var container, stats;
		var camera, controls, scene, renderer;
		var pickingData, pickingRenderTarget, pickingScene;
		var useOverrideMaterial = true;
		var singleMaterial, singlePickingMaterial;
		var highlightBox;
		var materialList = [];
		var geometryList = [];
		var objectCount = 0;
		var geometrySize = new THREE.Vec