if (timer > 10)
{
    with (instance_create_depth(x, y, 0, obj_beatflash))
    {
        if (other.dir == "left")
            image_angle = 270;
        if (other.dir == "right")
            image_angle = 90;
        image_xscale = other.sprite_width;
        image_yscale = (1 / sprite_height) * 300;
    }
}
if (i_ex(glow))
{
    with (glow)
        instance_destroy();
}