This looks better and better! :)

Have you considered using a second, third or fourth order Runge-Kutta
integration scheme? It is much more stable than Euler-integration (which is
intrisically unstable) and only requires a little more programming. Once
done, it's certainly worth the while...

http://mathworld.wolfram.com/Runge-KuttaMethod.html

Regards,
Simen Kvaal.


news:3c655363@news.povray.org...
> I've been still working on cloths, but only today I got decent results
which
> I could post.
>
> I rewrote everything, and I'm again using forward Euler, as my attempts
with
> backward Euler were very frustrating. However, I implemented a
> variable-timestep scheme, which adapts the timestep in function of the
> amount of stress in the cloth. If there are very strong forces, then a
> smaller step is taken. I still have to tweak this a little bit.
>

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