[x3d-public] CALL FOR: HAnim Level of Detail and other speed optimizations

[GPU Group]

Issue: Unlike offline raytracing, realtime graphics looks best with fast
frame rates. There is some desire to go beyond cartoon-like characters and
achieve more realism in HAnim. Detailed HAnimHumanoid models designed for
raytracing can slow frame rates. Scenes with multiple Humanoids and crowds
with humanoids at different distances, and clothing details over skin on
humanoids may benefit from speed optimizations.
1. Requirements for Level of Detail LOD type optimizations for humanoids:
a) coordinating change of skeleton / joints with change of skin and
Coordinate node
b) persistent fields to route to, in particular motions, motionsEnabled
when using Motion nodes, and method to use OrientationInterpolators on
persistent fields as the skeleton / joint nodes change
2. other speed enhancements - methods to remove skin under clothing / swap
clothing detail, use of buffers and GPU

Please post suggestions, methods and state of trial / if it has been tested
in a browser.

-Doug
(PS I have no authority to do a CALL FOR anything. But want to see if web3d
and hanim working groups should be doing/ can benefit from calls for)
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