if (destroyable == 1)
{
    if (other.big == 0)
        myspeed += 1;
    if (other.big)
        myspeed = 4;
    with (other)
        event_user(0);
    flash = 1;
    if (sin((siner + swingdir) / 20) < sin(siner / 20))
        swingdir *= -1;
}
else if (destroyable == -1)
{
    with (other)
        event_user(0);
}