POV-Ray : Newsgroups : povray.binaries.animations : FK via IK walk cycle : Re: FK via IK walk cycle Server Time
20 Jul 2024 13:22:47 EDT (-0400)
  Re: FK via IK walk cycle  
From: Greg M  Johnson
Date: 30 Sep 2000 22:06:14
Message: <39d69c16@news.povray.org>
I made further improvements to the cycle and posted it at:

 http://members.nbci.com/_XMCM/gregjohn/animation.html#POV16

(new file in that same old link if you had looked before tonite.)
The foot actually bends like that in a real human.

I was trying for something more or less human-looking......

"Greg M. Johnson" wrote:

> All this talk of walk cycles inspired in me a desire to improve my own.
>
> I kept a true FK construction to my character, but I used JvS's
> FindKnee macro to determine the position of the knee, then back
> calculated the FK rotational angles to get the points described. This
> FK/IK setup will also make it easier to make it do things like walk up
> stairs.
>
> Thanks for the advice when I posted actually back in April this same
> deal.  I think it's a lot smoother.  Fixing the rotation or bending of
> the feet are a whole nuther project for another day.
>
> I still have a love/hate relationship with splines.  Yeah, I could
> figure out a way to get it to be very smooth, but then I wouldn't be
> able to tweak, retweak, and microtweak if I have 8 extra points to
> change every time I make a modification. (2 pts before, 2 pts after x 2
> legs= 8 )  >:-P  Note how the "up" ankle travels in a straight triangle.
>
>   ------------------------------------------------------------------------
>                            Name: thebodywalker38c.mpg
>    thebodywalker38c.mpg    Type: MPEG Video (video/mpeg)
>                        Encoding: base64


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