Re: Missile Trails

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Angus Dorbie (dorbie++at++sgi.com)
Mon, 06 Apr 1998 11:28:22 -0700

> Sorroche, Joe CEI-TACCSF wrote:
>
> People;
>
> I'm working with Suzi Bemis on our Performer upgrade at
> TACCSF. I'm working on missile trails. I got some Open GL code from
> the training course which creates a missile trail, then attaches it to
> a model using the model's present location. I converted the code to
> Iris GL, then put the function call after a missile is fired, and the
> GL draw code before our HUD function is drawn. The missile trails are
> drawn on our HUD. Next, I put the GL code in PostDraw, and it seems
> PostDraw is never called. I have two questions. First, is there a
> way to draw a missile trail using performer functions rather that Iris
> GL, and second, where would one put the function call and draw code?

You should use pfFluxed attributes on a geoset.

What pletform are you running on?
You _really_ should use OpenGL on IMPACT, OCTANE or iR, using geoset
geometry should ease the transition.

Cheers,Angus.

-- 
"Only the mediocre are always at their best." -- Jean Giraudoux 


For advanced 3D graphics Performer + OpenGL based examples and tutors:
http://www.dorbie.com/
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