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Git Commits -> Revision 4053af1

Revision 4053af1 by Alexander Gavrilov
January 8, 2021, 10:29 (GMT)
Armature: fix bad B-Bone deformation blending with Preserve Volume.

The double quaternion blending method in addition to the deformation
matrix of each bone requires their rest matrices. For ordinary bones
this literally should use the bone rest matrix without any ambiguity.

However, it was also using the bone rest matrix for all of its
B-Bone segments, which is incorrect and causes strange deformation
in some cases involving extreme non-uniform scale, especially
at boundaries between different B-Bones.

This changes both the Armature modifier and the Armature constraint
to use the actual segment rest matrices. Unlike bones, these can have
scale even in rest pose, so normalization is required.

Commit Details:

Full Hash: 4053af19c2e785b1592f9c0ec9d0461949c2d2ec
Parent Commit: c44e9b4
Lines Changed: +26, -9

2 Modified Paths:

/source/blender/blenkernel/intern/armature.c (+5, -1) (Diff)
/source/blender/blenkernel/intern/constraint.c (+21, -8) (Diff)
Tehnyt: Miika HämäläinenViimeksi päivitetty: 07.11.2014 14:18MiikaH:n Sivut a.k.a. MiikaHweb | 2003-2021