I was wondering how high a priority it would be for the folks at Sun to
implement an extension to Java 3D that would allow users to use skeleton
bones and skin techniques to deform mesh geometry?

Such a system ought to be fairly straight forward: create a BoneGroup
which extends TransformGroup to implement the skeleton hierarchy and a
SmoothSkin that extends Leaf and who's constructor accepts an
Appearance, a GeometryArray, the root of a BoneGroup hierarchy and a
vector of vectors of weights that describe per vertex the amount of
deformation each bone contributes to the displacement of the vertex from
it's GeometryArray position.

I've been thinking of implementing such a thing in software, but know it
would run way too slowly.  If the Sun engineers think this would be a
good idea, I'd like to hear from them.

Mark McKay
--
http://www.kitfox.com

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