if (col == 0)
{
    snd_play(snd_glassbreak);
    oo = 1070;
    j = instance_create(oo.x, oo.y, obj_undynewindow_foreground);
    oo.image_index = 1;
    repeat (10)
        instance_create(oo.x + 11, oo.y + 30, obj_glassshard);
    col = 1;
}