看马士兵老师的坦克大战视频写出的东西，代码都是我直接看他的需求敲的，具体实现和他不太一样 按space发射子弹，按ctrl是大招 要说bug的话暂时只发现如果键盘不好的话，同时按几个键会不灵 如果有其他bug请指出-Look Mashi Bing teacher Tankedaizhan video write something, I look directly at the code is knocked his needs, and he was not quite the s