if (weretriggered == 0)
{
    with (obj_mainchara)
    {
        if (place_meeting(x, y, obj_traffic_road_trigger))
            other.weretriggered = 1;
    }
}
if (weretriggered == 1)
{
    instance_create(camerax() + 640 + 12, 290, obj_chaseenemy);
    snd_play(snd_b);
    weretriggered = 2;
}