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Fix T96748: split IK toe control does not respect stretch limit. 

Split the parent mch bone and its rigging together with the control.
This commit is contained in:
Alexander Gavrilov 2022-05-04 22:33:48 +03:00
parent 015248ed8d
commit 4efc7da9da
Notes: blender-bot 2023-02-14 18:22:41 +01:00 
Referenced by issue #96748, Rigify toe always stretched in IK mode
1 changed files with 20 additions and 2 deletions
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22
rigify/rigs/limbs/leg.py
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@ -98,9 +98,13 @@ class Rig(BaseLimbRig):
# Toe spin control.
# heel:
# Foot roll control
# ik_toe:
# If enabled, toe control for IK chain.
# mch:
# heel[]:
# Chain of bones implementing foot roll.
# ik_toe_parent:
# If using split IK toe, parent of the IK toe control.
#
####################################################
@ -208,21 +212,35 @@ class Rig(BaseLimbRig):
@stage.generate_bones
def make_ik_toe_control(self):
if self.use_ik_toe:
self.bones.ctrl.ik_toe = self.make_ik_toe_control_bone(self.bones.org.main[3])
toe = self.bones.org.main[3]
self.bones.ctrl.ik_toe = self.make_ik_toe_control_bone(toe)
self.bones.mch.ik_toe_parent = self.make_ik_toe_parent_mch_bone(toe)
def make_ik_toe_control_bone(self, org):
return self.copy_bone(org, make_derived_name(org, 'ctrl', '_ik'))
def make_ik_toe_parent_mch_bone(self, org):
return self.copy_bone(org, make_derived_name(org, 'mch', '_ik_parent'), scale=1/3)
@stage.parent_bones
def parent_ik_toe_control(self):
if self.use_ik_toe:
self.set_bone_parent(self.bones.ctrl.ik_toe, self.get_mch_heel_toe_output())
mch = self.bones.mch
align_bone_orientation(self.obj, mch.ik_toe_parent, self.get_mch_heel_toe_output())
self.set_bone_parent(mch.ik_toe_parent, mch.ik_target, use_connect=True)
self.set_bone_parent(self.bones.ctrl.ik_toe, mch.ik_toe_parent)
@stage.configure_bones
def configure_ik_toe_control(self):
if self.use_ik_toe:
self.copy_bone_properties(self.bones.org.main[3], self.bones.ctrl.ik_toe, props=False)
@stage.rig_bones
def rig_ik_toe_control(self):
if self.use_ik_toe:
self.make_constraint(self.bones.mch.ik_toe_parent, 'COPY_TRANSFORMS', self.get_mch_heel_toe_output())
@stage.generate_widgets
def make_ik_toe_control_widget(self):
if self.use_ik_toe: