about collision

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Ricardo Galli (gallir++at++anim.uib.es)
Tue, 9 Nov 93 20:26:16 GMT

J. Barrus wrote:
> Unfortunately, I can't find any good discussions of collision detection so
> if anyone else has some reading suggestions, that might help here. The
> above is a very terse description of just a few possible options. (The
> Graphics Gems series - GG, GG II, and GG III - do discuss calculating
> bounding spheres and intersecting rays with spheres and axis-aligned boxes
> for ray-tracing applications.)
>

I think so, we are developing somme techniques for collision detection
and response between solid objects for real time applications, but
it's no easy to find literature about these kind of techniques (especially
for Performer users).

I saw in a demo included in a Onix a very interesting collision detection
(I think in this case is just a point, the observer aginst faces, is it perfor
mer gurus?) in the Village demo (i.e. when the "observer" collides against
a wall or more interesting, in the petrol station (against the "servers", I
don't know how is called is English that thing with a rubber tube and meters
to put the gas into the car's tank...).

SGI performer gurus, can you give to me a "track" to do this kind
of stuff very fast?

--Ricardo Galli
Universitat de les Illes Balears
Palma de Mallorca - SPAIN
Tel. +34 71 17 3201
FAX. +34 71 17 3003
e-mail. gallir++at++anim.uib.es
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|The nice thing about standards is that there are so many of them to |
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| -- Andrew S. Tanenbaum |
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