private void AddBullet() { //clear out all the bulelts _moverManager.Clear(); //add a new bullet in the center of the screen mover = (Mover)_moverManager.CreateTopBullet(); mover.pos = new Vector2(graphics.PreferredBackBufferWidth / 2f, graphics.PreferredBackBufferHeight / 2f); mover.InitTopNode(_myPatterns[_CurrentPattern].RootNode); }