if (init == 0)
{
    if (random_image)
    {
        image_speed = 0;
        image_index = irandom(image_number - 1);
    }
    init = 1;
}
if (rotation != 0)
    image_angle += rotation;
if (destroyoffscreen && (x < (camerax() - 50) || x > (camerax() + 680) || y < (cameray() - 50) || y > (cameray() + 510)))
{
    instance_destroy();
}
else if (lifetime > 0)
{
    lifetime--;
    if (lifetime <= 0)
        instance_destroy();
    else if (fadeondeath && lifetime < 10)
        image_alpha = lifetime / 10;
}