[x3d-public] HAnimHumanoid skin first or HAnimHumanoid skinCoord first

[John Carlson]

Users of x3d.py output.

Choice between skin field or skinCoord field first in HAnimHumanoid output:

1) skin first,

Better for single skin mesh, since AFAIK, skinCoord USE can’t reference
multiple meshes if second.   Or can it?  This approach is  also simpler.

2) skinCoord first,

Better for multiple skin mesh, all points are gathered in a single
Coordinate, which multiple IndexedFaceSet can USE in their coord field.  I
believe that Aaron has implemented this for Maya.  I believe Michalis says
this is not preferred.   I believe x3d.py does this.

I am moving from 1 to 2 in the Blender exporter, particularly, because
there aren’t Site or Segment nodes in Blender that I know of. (Blender
bones become joints).  Sandrunner example from Vince doesn’t have a single
mesh

I am not sure if I should continue with Blender.
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