[x3d-public] JSHumanoids repo—resize, reanimate your humanoids

[John Carlson]

https://github.com/coderextreme/JSHumanoids

Under Apache 2.0 license.  There’s also an .x3d file from the humanoid
archive—license is included.  Parts derived from X3DUOM.  Alternative
X3DJSAIL jars included.  Please also provide license for X3dToJson.xslt.

For applying transformations to an X3DJSAIL scenegraph, like rescaling
Humanoids and changing OrientationInterpolators through the whole
scenegraph.  3D Model is in X3DJSAIL-GraalJS, extending beyond limits of
Java binding code size.

I’d like to thank Don Brutzman for X3DUOM, X3DJSAIL and X3dToJson.xslt (I
can’t use CommandLine due to Java bug/stack overflow),  Roy Walmsley for
X3DUOM and X3D JSON Schema, the authors of JinLOA4.x3d, Java and JavaScript
language developers, vim developers, Saxon developers, Python language
developers and Git developers.

Rescaling takes a Humanoid with a scale field, and multiplies and adds the
values down the humanoid hierarchy.

Reorientation currently negates the rotation, achieving a kind of
satisfaction for converting +Z to -Z and vica versa for
OrientationInterpolators.  Negating any axis is also possible.

Thanks to Joe Williams for the inspiration,  and to Andreas Plesch for
showing it’s possible, and Katy and Carol for Gramps (not included).

If anyone wants a node-java version, let me know.

This might be a programming model for future WinterAndSpring work.
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