From: James A Simmons <jsimmons@acsu.buffalo.edu>
  To  : GGI mailing list <ggi-develop@eskimo.com>
  Date: Fri, 21 Aug 1998 08:42:20 -0400 (EDT)

Whats RAPID

> > Yes. Also can use RAPID for collison detect. RAPID is fast but only works
> > with triangles
> 
> First - what's RAPID?  (never heard of it - but I haven't exactly got a
> lot of info on 3D rendering beyond what I've written myself and a buncha
> math-texts and the like - oh and OpenGL dox)

Go to www.cs.unc.edu/~geom/collide_packages.html for more info.