if (visible == true && shot == 0)
{
    playdo = 1;
    myloop = audio_play_sound(snd_mtt_prebomb, 40, true);
    with (other.id)
        instance_destroy();
    shot = 1;
    nowx = x;
    nowy = y;
}
if (instance_exists(obj_ratingsmaster))
    global.ratings += 15;