public static void startGame() {
   DDGameLoop loop = DDGameLoop.getInstance();
   if (loop.getGameState() == GameState.STANDBY) {
     loop.setGameState(GameState.LOADING);
   }
 }
 public static void init() {
   NetworkController.init();
   DDGameLoop.getInstance().setGameState(GameState.STANDBY);
   DDGameLoop.getInstance().start();
 }