Demos
LBS (left) vs spring-based skinning (right)
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With normals visible
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Armadillo
Spring forces with LBS
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Left: all forces but length. Loss of detail around abdominal muscles
Right: all forces. Better preservation, minor loss
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Same, but with normal map
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LBS ROM
A little difficult to compare due to video size. Will crop these so more of the mesh is visible on each side without so much filler space in between.
Left: without forces
Right: with forces. A couple of frame-to-frame artifacts (slight bulging on the arms), but also better volume preservation in the bends.
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Force combinations
Length force only. In this LBS pose, the mesh has 14% less volume than when it's in bind. After the length forces are applied, the mesh has 3.74% less volume than bind.
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Length and surface forces. Almost identical to using length-only forces
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Length, surface, attachment torque, and bone torque
Using position-based updater - no acceleration, only velocity.
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Using Physics-based updater - acceleration, velocity
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