JRG wrote:
> 
> Now, to say the truth, I'm stuck in a problem that seems a bug to me.
> Trace() often doesn't work well with isosurfaces (every normal vector is
> stored as <0,0,0> even if intersection occurs).
> Or, better, sometimes it works fine like it should and sometimes it
> completely fails. This happens only with isosurface landscape.
> It's really a puzzle...
> 

This is a known problem, Megapov's isosurface code seems to be buggy in
that matter.  Funnily it seems to differ depending on whether you use a
freshly started program instance or render it a second time...

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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