From: Brian Furtaw (brian++at++sgi.com)
Date: 07/24/2000 12:05:22
Christopher,
Angus Dorbie did an example using billboarded trees doing just what you
want to do. He has a pretty good discription of what you need to do at
http://www.sgi.com/software/performer/brew/billboard.html. If you
subscribe to the developers toolbox the code may be in there.
Brian
christopher.g.dorosky++at++lmco.com wrote:
>
> hi,
>
> I am attempting to use a large number of billboards in my scene. Each
> billboard seems to get a post-cull (is this right?) callback that aligns it
> to the eye point.
>
> Is it possible to quickly (from a real time point of view) disable this
> callback, or enable it selectively?
>
> If I have 5000 billboards, I might want to set a limit of only 1000 to be
> updated per frame.
>
> Does anybody have any suggestions?
>
> Chris
>
> Christopher Dorosky
> Lead Electronic Systems Engineer - Real Time Simulation
> Lockheed Martin Missiles and Fire Control - Dallas
> christopher.g.dorosky++at++lmco.com
> 972-603-2349
> -----------------------------------------------------------------------
> List Archives, FAQ, FTP: http://www.sgi.com/software/performer/
> Submissions: info-performer++at++sgi.com
> Admin. requests: info-performer-request++at++sgi.com
--
----oOOo---- ----oOOo---- ----oOOo---- ----oOOo----
Brian Furtaw (brian++at++sgi.com)
Graphics Guru Office:(301)572-3293 Fax: (603)250-0370
12200-G Plum Orchard Drive OpenGL/Performer/OpenInventor/ImageVision
Silver Spring, Maryland 20904 Volumizer/Optimizer/React/PCI Device
Drivers
This archive was generated by hypermail 2b29 : Mon Jul 24 2000 - 12:09:24 PDT