Re: [Algorithms] Skeletal Animation...

[Frag_ D. <fra...@ho...>]

     Wow, Jeff Lander's on this list!  How did I miss this list for so 
long!?!  Anyways, I've been reading like twenty-thousand emails, and am very 
glad that I joined this list.  Just wanted to comment on it...


>From: Jeff Lander <je...@di...>
>Reply-To: gda...@li...
>To: gda...@li...
>Subject: Re: [Algorithms] Skeletal Animation...
>Date: Mon, 28 Aug 2000 20:49:18 -0700
>
>
>Has Game Developer got some issues for you.  I have written several 
>articles on deformation of a mesh using an imbedded skeleton.  That will 
>handle the rendering aspect of a kinematic animation.
>
>http://www.darwin3d.com/gdm1999.htm#gdm1099
>http://www.darwin3d.com/gdm1998.htm#gdm0598
>
>For the physics, Chris Hecker wrote a multi-part series on linked rigid 
>body dynamics.  Specifically the example was a ponytail that moved 
>dynamically connected to a kinematic head.
>
>www.d6.com
>
>I don't know if Chris posted his ponytail app yet but if he hasn't send him 
>a note bugging him.  It should be there :)
>
>The person you were thinking of is Brian Mirtich from MERL.  His website is 
>http://www.merl.com/people/mirtich/
>
>-Jeff
>
>At 10:58 PM 8/28/2000 -0700, you wrote:
> >Hello.
> >
> >I was wondering if anyone had links to some good skeletal animation
> >techniques and perhaps some information about the kinematics involved.
> >
> >For example, if I was a model to have a ponytail which moves 
>realistically.
> >Given gravity and the mass of my character, I should be able to generate 
>the
> >normal force produced by walking (feet hitting the ground).
> >
> >Assuming the ponytail is just a couple bones end-to-end sharing 
>intermediate
> >vertices, the problem I arrive at is the way to correctly propogate a 
>force
> >applied at the origin vertex (ie the one connecting the ponytail to the
> >head) down into the other vertices.
> >
> >Any possible links would be great.  I heard that someone wrote quite a 
>few
> >papers on the physics involved in this, but I can't remember his name
> >exactly.  I know his last name is something like Mirich, but thats not 
>quite
> >it.
> >
> >Thanx!
> >Brandon Moro
> >
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>
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