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Christoph Hormann wrote:
> - building the path is quite problematic too since it would involve
> changing the shape of the terrain either with csg operations or direct
> manipulation
Other problem is placing the cars on the track. Lots of mathematics, finding
where a circle with radius of the distance between the two sets of wheels
intersects the track. That's the easy part, then there's aligning the
wheels; if the wheels are perfectly aligned with the track, the couplers
won't necessarily line up, but making each coupled set of wheels rigid
wouldn't look right either...
--
David Fontaine <dav### [at] faricy net> ICQ 55354965
My raytracing gallery: http://davidf.faricy.net/
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