这是一个源代码，用C++编写，你能下载下来去玩，但是你最好首先能看懂它，学习它，假如你还有什么不懂的地方你可以给我留言-this is a code,use C++ to write,you can download it to play,but you should look it very careful,and you can use it to study,if you have some quesson you can call me.