class Scene_XXX
  def main
    # 创建一个线程
    @thre ad = Thread.new{loop do;Graphics.update;Input.update;end}
    # 渐变
    Graphics.transition
    loop do
      # 无限循环
      break if false
    end
    Graphics.freeze
    # 杀死进程，释放内存
    @thread.kill
  end
end