"jr" <cre### [at] gmailcom> wrote:
>
> I found the attached 2003 code by Alain Ducharme in TdG's (extensive) archives,
> a "Povray rigid ball dynamics simulator"...

Many thanks! I plan to play around with it.

In looking through some of Alain D's code, I see that he uses... quaternions.
Very cool! (I'm attempting to learn and understand the basics of their use...
and to re-learn the concepts of imaginary/complex numbers in general. I have
never used any of that stuff in 'real life', not since my university days eons
ago.)

Your animation examples are really neat too; thanks for those as well.

------
Could you post a link to TdG's archive(s)? I thought I had that somewhere, but
nope :-(

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