unsigned long time_msec;
int mouse_x, mouse_y;
unsigned int mouse_bmask;
float sball_matrix[] = {1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};
unsigned long time_msec;
int mouse_x, mouse_y;
unsigned int mouse_bmask;
float sball_matrix[] = {1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};