draw_set_color(c_red);
draw_rectangle(a_x, a_y, a_x2, a_y2, true);
gh = collision_rectangle(a_x, a_y, a_x2, a_y2, obj_stormstar, 0, 1);
if (gh != -4)
{
    if (gh.con == 1)
        draw_circle(10, 10, 4, 0);
    if (gh.con == 2)
        draw_circle(30, 10, 4, 0);
}
with (gh)
{
    if (con != 3 && con != 4 && big == 0)
    {
        event_user(3);
        speed = 0;
    }
}
if (off == 1)
{
    vol -= 0.0125;
    caster_set_volume(expl, vol);
}