siner += 1;
ac = sin(siner / 60) * 0.12;
for (s = 0; s < 40; s += 1)
{
    draw_set_color(c_white);
    ac = sin((s + siner) / 35) * 0.17;
    draw_set_alpha((0.7 + ac) - (s / 40));
    ossafe_fill_rectangle(x, y + (s * 4), x + 30, y + 4 + (s * 4));
}