虽然现在各种上手极快，各种模仿。 但是我还是喜欢 Sonic Boot 这样的老式软件，所以我得到了这个东西。 参考论坛里的很多源码，不可能一一列举。
(Although now all kinds of skills are very fast, all kinds of imitation. But I still like old software like sonic boot, so I got this thing. Refer to many source codes in the forum. It is impossible to list them one by one.)
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