More cleanup

assets/scenes/cube.js

@@ -1,28 +1,26 @@
 var Cube = include('entities/cube.js');
 
-var cam;
-var cube;
+function CubeScene() {
+  this.cam = new Entity();
+  this.cam.add(POSITION);
+  this.cam.position.x = 3;
+  this.cam.position.y = 3;
+  this.cam.position.z = 3;
+  this.cam.position.lookAt(0, 0, 0);
+  this.cam.add(CAMERA);
 
-var SceneCube = {
-  init: function() {
-    cam = Entity.create();
-    cam.add(COMPONENT_TYPE_POSITION);
-    cam.position.x = 3;
-    cam.position.y = 3;
-    cam.position.z = 3;
-    cam.position.lookAt(0, 0, 0);
-    cam.add(COMPONENT_TYPE_CAMERA);
-    cube = Cube.create();
-  },
+  this.cube = new Cube();
+}
 
-  update: function() {
-    cube.update();
-  },
+Object.assign(CubeScene, Scene.prototype);
 
-  dispose: function() {
-    cam.dispose();
-    cube.dispose();
-  }
+CubeScene.prototype.update = function() {
+  this.cube.update();
 };
 
-SceneCube;
+CubeScene.prototype.dispose = function() {
+  this.cam.dispose();
+  this.cube.dispose();
+};
+
+module = CubeScene;