if (drawblack == 1)
{
    if (bl < 20)
        bl += 4;
    if (bl > 20)
    {
        bl = 20;
        snd_play(snd_noise);
    }
    draw_set_color(x_maroon);
    ossafe_fill_rectangle(140 + bl, 840 + bly, 140, 880);
    ossafe_fill_rectangle(180 - bl, 840 + bly, 180, 880);
}