Examples clean up.

examples/webgl_postprocessing_pixel.html

@@ -57,7 +57,7 @@
 			var camera, scene, renderer, gui, composer;
 			var pixelPass, params;
 
-            var geomData = [], group;
+			var group;
 
 			init();
 			animate();
@@ -111,23 +111,19 @@
 				dirLight3.position.set( 0, 125, 0 );
 				scene.add( dirLight3 );
 
-                scene.add( hemisphereLight );
-                scene.add( dirLight );
-                scene.add( dirLight2 );
-                scene.add( dirLight3 );
-
-                geomData.push( new THREE.SphereGeometry( 1, 64, 64 ) );
-                geomData.push( new THREE.BoxGeometry( 1, 1, 1 ) );
-                geomData.push( new THREE.ConeGeometry( 1, 1, 32 ) );
-                geomData.push( new THREE.TetrahedronGeometry( 1 ) );
-                geomData.push( new THREE.TorusKnotGeometry( 1, .4 ) );
+				var geometries = [
+					new THREE.SphereGeometry( 1, 64, 64 ),
+					new THREE.BoxGeometry( 1, 1, 1 ),
+					new THREE.ConeGeometry( 1, 1, 32 ),
+					new THREE.TetrahedronGeometry( 1 ),
+					new THREE.TorusKnotGeometry( 1, .4 )
+				];
 
-                var numShapes = 25;
 				group = new THREE.Group();
 
-                for ( var i = 0; i < numShapes; i ++ ) {
+				for ( var i = 0; i < 25; i ++ ) {
 
-                    var geom = geomData[ Math.floor( Math.random() * geomData.length ) ];
+					var geom = geometries[ Math.floor( Math.random() * geometries.length ) ];
 					var color = new THREE.Color();
 					color.setHSL( Math.random(), .7 + .2 * Math.random(), .5 + .1 * Math.random() );
 					var mat = new THREE.MeshPhongMaterial( { color: color, shininess: 200 } );
@@ -169,6 +165,7 @@
 
 				controls.update();
 				updateGUI();
+
 				group.rotation.y += .0015;
 				group.rotation.z += .001;