if (destroyable == 1)
{
    if (other.big == 0)
    {
        with (other)
            event_user(0);
    }
    hp--;
    if (other.big || hp <= 0)
    {
        anim = instance_create(x, y, obj_yshot_anim);
        anim.image_xscale = image_xscale;
        anim.image_yscale = image_yscale;
        with (anim)
            sprite_index = spr_yheart_shot_hit3;
        instance_destroy();
    }
    else
    {
        flash = 1;
        if (sin((siner + swingdir) / 20) < sin(siner / 20))
            swingdir *= -1;
    }
}
else if (destroyable == -1)
{
    with (other)
        event_user(0);
}