void UpdateBullets(int *numbullets, int *numrobots, int bvel) {
	int i, j;
	for(i = 0; i < *numbullets ; i ++) {
		gfx_TransparentSprite_NoClip(ball_bullet,bullet[i].x,bullet[i].y);
		for(j = 0; j < *numrobots; j ++) {
			if (gfx_CheckRectangleHotspot(bullet[i].x, bullet[i].y, ball_bullet_width, ball_bullet_height, robots[j].x, robots[j].y, robotL_width, robotL_height)){

			}
		}

		if (bullet[i].x + bullet[i].xdir * bvel > 0 && bullet[i].x + bullet[i].xdir * bvel < 320-8 &&
            bullet[i].y + bullet[i].ydir * bvel > 0 && bullet[i].y + bullet[i].ydir * bvel < 240-8) {

			bullet[i].x += bullet[i].xdir * bvel;
			bullet[i].y += bullet[i].ydir * bvel;

		} else {

			bullet[i].x = bullet[*numbullets-1].x;
			bullet[i].y = bullet[*numbullets-1].y;
			bullet[i].xdir = bullet[*numbullets-1].xdir;
			bullet[i].ydir = bullet[*numbullets-1].ydir;
			*numbullets -= 1;
		}
    }
}