static void DeleteSprite(int which);
static void MakeSprite(int atype, XYZ where, XYZ avelocity, float red, float green, float blue, float asize, float aopacity);
static void Draw();
static void DeleteSprite(int which);
static void MakeSprite(int atype, XYZ where, XYZ avelocity, float red, float green, float blue, float asize, float aopacity);
static void Draw();