通过修改色系，本程序可以实现红色火焰、蓝色火焰、绿色火焰三种效果，在 InitFire() 函数中取消相应行注释可以实现不同色系的火焰效果。-By modifying the color, the program can achieve a red flame, blue flame, the flame three effects, in InitFire () function to cancel the corresponding line comments can be a different color flame effects.