Hey Dave,
   I fixed it.  I also changed a few other minor details.  Since it is
an algorithm you think you could use, I'll post it in p.b.s-f.  I
included an alternate edge-avoiding behavior, illustrated in the
attachment.  Enjoy.

------------------------------
Ben Scheele
Silmarillion: Ben's World
http://www21.brinkster.com/silmarillion/


"Dave Matthews" <nos### [at] nospamedu> wrote in message
news:40be0ab6$1@news.povray.org...
> It only wandered off a few times, and it always came back, so it may
be
> alive, but it's pretty well domesticated;-)
>
> It seems like there's only one little escape hole in your algorithm,
so
> I bet you can find it and fix it (then share it!)
>
> Dave Matthews

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