/*create balls and player*/
  private void createModel() {
    createBallClass =
        new CreateBall(
            10,
            new BallCallBack() {
              @Override
              public void onBallCreate(Ball ball) {
                createBall(ball);
              }
            });

    createPlayer();
    createBallClass.runCreateBall();
    createWeapon();
  }
 @Override
 public void resume() {
   createBallClass.runCreateBall();
 }