public PhysicsController(GeneralDestruction topLevel, Camera camera) {
		this.topLevel = topLevel;
		this.camera = camera;
		// Create rigid body world
		rigidBodyWorld = new World();

		// Create rigid body list
		rigidBodies = new ArrayList<RigidBody>();

		// Create new runnable
		physicsLoop = new PhysicsLoop();

		Runnable cameraLoop = new CameraLoop();
		Thread cameraThread = new Thread(cameraLoop);
		cameraThread.start();
	}