本程序生成了无风状态下的烟，并能够通过键盘控制烟尾得走向，效果较好。希望和大家一起交流学习。-the procedures generated wind under the smoke, and through the end of the keyboard to control smoke in the direction of better results. We hope and studying together.

本程序生成了无风状态下的烟，并能够通过键盘控制烟尾得走向，效果较好。希望和大家一起交流学习。-the procedures generated wind under the smoke, and through the end of the keyboard to control smoke in the direction of better results. We hope and studying together.