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Cleanup: format

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Campbell Barton 2023-08-04 08:45:19 +10:00
parent 7afd938dde
commit f7be60eff0
6 changed files with 20 additions and 19 deletions
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24
doc/python_api/examples/bpy.types.PoseBone.bbone_segment_matrix.py
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@ -4,28 +4,30 @@ produced by the Armature modifier or constraint when assigned to the given bone
(without Preserve Volume). The coordinates are processed in armature Pose space:
"""
def bbone_deform_matrix(pose_bone, point):
index, blend_next = pose_bone.bbone_segment_index(point)
index, blend_next = pose_bone.bbone_segment_index(point)
rest1 = pose_bone.bbone_segment_matrix(index, rest=True)
pose1 = pose_bone.bbone_segment_matrix(index, rest=False)
deform1 = pose1 @ rest1.inverted()
rest1 = pose_bone.bbone_segment_matrix(index, rest=True)
pose1 = pose_bone.bbone_segment_matrix(index, rest=False)
deform1 = pose1 @ rest1.inverted()
# bbone_segment_index ensures that index + 1 is always valid
rest2 = pose_bone.bbone_segment_matrix(index + 1, rest=True)
pose2 = pose_bone.bbone_segment_matrix(index + 1, rest=False)
deform2 = pose2 @ rest2.inverted()
# bbone_segment_index ensures that index + 1 is always valid
rest2 = pose_bone.bbone_segment_matrix(index + 1, rest=True)
pose2 = pose_bone.bbone_segment_matrix(index + 1, rest=False)
deform2 = pose2 @ rest2.inverted()
deform = deform1 * (1 - blend_next) + deform2 * blend_next
deform = deform1 * (1 - blend_next) + deform2 * blend_next
return pose_bone.matrix @ deform @ pose_bone.bone.matrix_local.inverted()
return pose_bone.matrix @ deform @ pose_bone.bone.matrix_local.inverted()
# Armature modifier deforming vertices:
mesh = bpy.data.objects["Mesh"]
pose_bone = bpy.data.objects["Armature"].pose.bones["Bone"]
for vertex in mesh.data.vertices:
vertex.co = bbone_deform_matrix(pose_bone, vertex.co) @ vertex.co
vertex.co = bbone_deform_matrix(pose_bone, vertex.co) @ vertex.co
# Armature constraint modifying an object transform:
empty = bpy.data.objects["Empty"]