Re: Particle System

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Devrim Erdem (devrim++at++infotron-tr.com)
Fri, 26 Nov 1999 11:57:37 -0500

> It sounds like what you probably want to do is to use a callback in the
> DRAW process to draw your particles (using your old OpenGL code) rather
> than creating a geoset. Try something like this:

Hi,

What is the advantage of the OpenGL method to the geoset approach ? It is possible to
recompute the vertices of the geoset each frame. Is it that gl calls will skip the culling phase ?

Regards,

--
/*===============================================
M. Devrim Erdem            devrim++at++infotron-tr.com
                  Simulation Software Development
                              info(+)TRON, Turkey
Tel: +90 216 4921002
Fax: +90 216 3432132
http://www.infotron-tr.com
http://abone.turk.net/mderdem
===============================================*/












It sounds like what you probably want to do is to
use a callback in the

DRAW process to draw your particles (using your old OpenGL code) rather

than creating a geoset.  Try something like this:

Hi,

What is the advantage of the OpenGL method to the geoset approach ?
It is possible to

recompute the vertices of the geoset each frame. Is it that gl calls
will skip the culling phase ?

Regards,

-- 
/*===============================================
M. Devrim Erdem            devrim++at++infotron-tr.com
                  Simulation Software Development
                              info(+)TRON, Turkey
Tel: +90 216 4921002
Fax: +90 216 3432132
Http://www.infotron-tr.com    
Http://abone.turk.net/mderdem
===============================================*/

 

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