Re: [Plib-users] Runway Lights and Undocumented Secrets of Plib

[David M. <da...@me...>]

Steve Baker writes:

 > Bear in mind though that your callback is only called when the 
 > object's parent is inside the field of view.  This is both an
 > advantage and a curse.  It means that expensive callbacks are
 > only called when they are needed - but also that callbacks with
 > side-effects are a bit unpredictable!

Right -- every once in a while I have to do the equivalent of a
traversal with a 360-deg FOV to make sure that everything's culled.
It's been a while, so I don't remember exactly how I implemented that,
but I do recall that Norm Vine helped me to fine-tune it


All the best,


David

-- 
David Megginson, da...@me..., http://www.megginson.com/