Re: Collision between 2 objects

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Andy Shein (ashein++at++orac.boston.sgi.com)
Thu, 12 Jun 1997 12:21:05 -0700

On Jun 12, 8:30am, Niels Hilbrink wrote:
> Subject: Re: Collision between 2 objects
> > I am interested in the collisions between 2 objects (nodes) in the scene.
> > How do I do it in Performer?
>
>
> Peformer has some functionality to perform basic interference tests. However
> these tests are only between bounding volumes <-> bounding volumes, bounding
> volumes <-> segements. For a more general geometry you have to resort to

   You can also intersect segments with pfNode's and pfGeoSets and find out
which poly was hit. take a look at
 /usr/share/Performer/src/pguide/libpf/C++/intersect.C
it's up to you to do the dynamics like spring/dampers between objects.

                                Andy

> specialized libraries like QCollide, ICollide or Rapid. I use Rapid ansd it
work
> for me, if heard other people who use ICollide and are satisfied with it.
>
> RAPID : http://www.cs.unc.edu/~geom/OBB/OBBT.html
> ICollide : http://www.cs.unc.edu/~geom/I_COLLIDE.html
> QCollide : http://www.cs.hku.hk/~tlchung/collision_library.html (no source
!!)
>
> regards,
> Niels Hilbrink
> --
> Niels Hilbrink (RS NOP) National Aerospace Laboratory (NLR)
> mailto:Hilbrink++at++nlr.nl Voorsterweg 31, 8316 PR Marknesse
> (++31)(0)527 242259 (Home) P.O. Box 153, 8300 AD Emmeloord
> (++31)(0)527 248224 (NLR) the Netherlands
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>-- End of excerpt from Niels Hilbrink

-- 
Andrew Shein   SE Stout               email: ashein++at++boston.sgi.com
Silicon Graphics Inc.                 phone: (508) 562 - 4800
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