if (type == 0)
{
    if (con == 0)
    {
        if (chancer == 1)
            sprite_index = spr_coaster_barricade_alt;
        contimer++;
        flashtimer++;
        if (flashtimer == 2)
        {
            if (image_alpha == 0)
                image_alpha = 1;
            else
                image_alpha = 0;
            flashtimer = 0;
        }
        if (contimer >= waitamount && image_alpha == 1)
            con = 1;
    }
    if (con == 1)
    {
        hspeed = -2;
        gravity_direction = 180;
        gravity = 0.5;
        con = 2;
    }
    if (con == 2)
    {
        if (x <= -20)
            instance_destroy();
    }
}
if (type == 1)
{
    contimer++;
    if (contimer >= waitamount)
    {
        active = 0;
        image_alpha -= 0.1;
        if (image_alpha <= 0)
            instance_destroy();
    }
}