John VanSickle wrote:

> I use two splines, one for the direction the model is walking and the
> other for the direction the model is facing as it walks, so that
> models can walk sideways, backwards, and turn as they walk.

Could you please post the code for a typical walk path?  Everyone's own
walking figures will work differently, but I'm at the square one of how to
define a curve that is smooth in povray.  Also, are you able to determine
the path length between two points on your path?

I had my own run-ins with splines and heard about the 3.5 bugs so I have
have had this on the back shelf.

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