Re: Collision between 2 objects

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Mark Baranowski (baranowski++at++marklynn.demon.co.uk)
Thu, 12 Jun 1997 07:55:12 GMT

On Wed, 11 Jun 1997 23:05:15 +0530 (IST), you wrote:

>I am interested in the collisions between 2 objects (nodes) in the scene.
>How do I do it in Performer?

See the paper "OBBTree: A Hierarchical Structure for Rapid
Interference Detection" by Gottschalk, Lin and Manocha.

Stefan Gottschalk implemented this approach in a library called RAPID.
As an exercise, I integrated this with Performer to perform arbitrary
geometry-geometry collision detection. Works well, but note that
Stefan will not grant permission to use the RAPID library for
commercial purposes.

See
http://www.cs.unc.edu/~geom/OBB/OBBT.html

Regards,

Mark.

-- 
Mark Baranowski at work (baranowski++at++marklynn.demon.co.uk)
Pera, VR Division. Melton Mowbray, Leics. LE13 0PB. UK.
Tel: +44 (0)1664 501501, Fax: +44 (0)1664 501553
All opinions expressed are my own and should not be viewed
as representing my employer unless stated otherwise.
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