window = Display.getDisplayMode();
    public void reinit(int width, int height) {      if (width <= 0 || height <= 0) {          LoggingSystem.getLogger().log(Level.WARNING,                  "Invalid width " + "and/or height values.");          throw new JmeException("Invalid width and/or height values.");      }      this.width = width;      this.height = height;      if (camera != null) camera.resize(width, height);    }