def setChannelBoxAttrs(self, ctrl):
rigUtils.hideAttributes(ctrl,
trans=False,
scale=True,
rot=False,
vis=True,
radius=False)
def build_head():
headJnts = pm.ls('*_head*_jnt')
ctrl = rigUtils.createRigControl('circle')[0]
pm.rotate(90, 0, 0)
pm.makeIdentity(ctrl, a=True, t=True, r=True)
pm.rename(ctrl, 'head_ctrl')
rigUtils.setControlColor(ctrl)
pm.delete(pm.pointConstraint(headJnts[0], ctrl))
orientConst = pm.orientConstraint(headJnts[0], ctrl, mo=False)
pm.delete(orientConst)
pm.makeIdentity(ctrl, a=True, t=True, r=True)
pm.parent(headJnts[0], ctrl)
headGrp = pm.group(n='head_grp', em=True)
pm.parent(ctrl, headGrp)
spineJntList = pm.ls('M_spine*_jnt')
pm.parent(headGrp, 'neck_ctrl')
rigUtils.hideAttributes(ctrl=ctrl,
trans=True,
rot=False,
scale=True,
vis=True,
radius=False)
pm.delete(ctrl, ch=1)
def _build(self, side):
"""
main building block for rigging the limb
"""
# Duplicate and rename new joint chains (IK and FK)
self.duplicateLimbChain(jnt=self.startJoint, FK=True)
self.duplicateLimbChain(jnt=self.startJoint, IK=True)
# FK Build controls for the limb
for jnt in [self.startJoint, self.midJoint]:
self.placeCtrl(jnt.replace('_jnt', '_FK_ctrl'), type='fk')
# Create IK handle and control for switching IK/FK in the correct place
self.buildIkCtrlSetup(side=self.side)
# # IK/FK Blend Setup
for jnt in [self.startJoint, self.midJoint, self.endJoint]:
self.createIkFkBlendConnections(jnt)
# hide rotations and scale and visibility from the channel box
for ctrl in [self.startJoint.replace('_jnt', '_FK_ctrl'),
self.midJoint.replace('_jnt', '_FK_ctrl'), self.endJoint.replace('_jnt', '_FK_ctrl')]:
rigUtils.hideAttributes(ctrl, trans=True, scale=True, rot=False, vis=True, radius=True)
self.organizeLimbGrps(limbPart=self.limbPart)
def buildIkCtrlSetup(self, side):
"""
Builds IK control for the limb. Create a controller and it places the controller to the right place
and create the pole vector and the constrains plus connections
:param side: string - 'L' or 'R'
"""
ikCtrl = self.placeCtrl(self.endJoint, type='ik')
if not self.limbPart == 'leg':
pm.delete(pm.orientConstraint(self.endJoint, ikCtrl, mo=True))
# create ik handle and pole vector for the IK limb
ikh = pm.ikHandle(name=side + '_' + self.limbPart + '_limb_ikh', sj=self.startJoint.replace('_jnt', '_IK_jnt'),
ee=self.endJoint.replace('_jnt', '_IK_jnt'), sol='ikRPsolver')[0]
rigUtils.setControlColor(ikCtrl)
self.placePoleVectorCtrl((self.startJoint, self.midJoint, self.endJoint))
pm.poleVectorConstraint(self.poleVectCtrl, ikh)
# End limb control constraint
# pm.parentConstraint(ikCtrl, ikh)
if self.limbPart == 'arm':
pm.parent(self.side + '_arm_limb_ikh', self.side + '_arm_ik_ctrl')
else:
pm.parent(self.side + '_leg_limb_ikh', self.side + '_leg_ik_ctrl')
rigUtils.hideAttributes(ikCtrl, trans=False, scale=True, rot=False, vis=True, radius=False)
rigUtils.hideAttributes(self.poleVectCtrl, trans=False, scale=True, rot=True, vis=True, radius=False)
def setupHandBehavior(self):
"""
Main proc for creating the IK / FK arm switch
"""
handRootNode = pm.PyNode(self.side + '_hand0_jnt')
handRootPos = handRootNode.getTranslation('world')
# create locators for the blending FK/IK arm and groups.
# to set hand position into the right place
orientFKLoc = pm.spaceLocator(name=self.side + '_armFKOrient_loc')
orientIKLoc = pm.spaceLocator(name=self.side + '_armIKOrient_loc')
orientFKGrp = pm.group(name=self.side + '_armFKOrient_grp', em=True)
orientIKGrp = pm.group(name=self.side + '_armIKOrient_grp', em=True)
locFKShape = pm.listRelatives(orientFKLoc, s=1)[0]
locIKShape = pm.listRelatives(orientIKLoc, s=1)[0]
# setup a smaller locator and move it to the wrist joint (handRoot)
for loc in [locFKShape, locIKShape]:
for scale in ['.localScaleX', '.localScaleY', '.localScaleZ']:
pm.setAttr(loc + scale, 0.0005)
pm.move(loc, (handRootPos[0], handRootPos[1], handRootPos[2]))
# parent each locator to the corresponding group
for loc, grp in zip([orientFKLoc, orientIKLoc], [orientFKGrp, orientIKGrp]):
pm.parent(loc, grp)
# parent each locator group (IK and FK) to the right place
pm.parent(orientFKGrp, self.side + '_arm1_jnt')
pm.parent(orientIKGrp, self.side + '_arm_ik_ctrl')
self.handOrientConst = pm.orientConstraint(orientIKLoc, orientFKLoc, self.side + '_hand_grp')
# pointConstraint blend arm joint and handGrp
pm.pointConstraint(self.side + '_arm2_jnt', self.side + '_hand_grp')
# connect orientConstraint weights to handCtrl to be able to switch the weights from the FK/IK attribute
pm.connectAttr(self.side + '_hand_ctrl.FK_IK',
self.handOrientConst + '.' + self.side + '_armFKOrient_locW1')
handReverseNode = pm.createNode('reverse', name=self.side + '_handRev')
pm.connectAttr(self.side + '_hand_ctrl.FK_IK', handReverseNode + '.input.inputX')
pm.connectAttr(handReverseNode + '.output.outputX',
self.handOrientConst + '.' + self.side + '_armIKOrient_locW0')
# orient constraint hand module with the bind joints
#pm.orientConstraint(self.side + '_hand_IK_jnt', self.side + '_hand0_jnt', mo=True)
pm.parent(self.side + '_arm_limb_ikh',self.side + '_arm_ik_ctrl')
pm.parent(self.side + '_hand_grp', 'main_ctrl')
rigUtils.hideAttributes(ctrl=self.side + '_hand_ctrl', trans=True, scale=False, rot=False, vis=True, radius=False)
def _build(self):
spineJntChainList = pm.ls('M_spine*_jnt')
for i in range(len(spineJntChainList) - 1):
print(spineJntChainList[i])
if i != 0:
self.createFKControl(spineJntChainList[i])
rigUtils.hideAttributes(spineJntChainList[i],
trans=True,
scale=True,
rot=False,
vis=True,
radius=True)
self.createCOGCtrl()
rigUtils.hideAttributes('COG_ctrl',
trans=False,
scale=True,
rot=False,
vis=True,
radius=False)
self.organizeSpine()
def _buid(self):
self.createFootJointChain(self.footJnt)
footCtrl = self.createFootCtrl()
rigUtils.hideAttributes(footCtrl,
trans=True,
scale=True,
rot=False,
vis=True,
radius=False)
self.addChannelBoxFootAttrs(footCtrl)
self.createFootGroupSetup()
self.createFootConnections(footCtrl)
self.setFootGroupPivot()
self.connectFKIKBlendAttrs()
self.setupFootBehavior()
self.setupVisibility()
def spaceSwitchHeadSetup(self):
mainFollowLoc = pm.spaceLocator(name='M_headFollowMain_loc')
headFollowLoc = pm.spaceLocator(name='M_headFollowHead_loc')
# reduce local scale
for loc in [mainFollowLoc, headFollowLoc]:
pm.setAttr(loc + 'Shape.localScaleX', 0.015)
pm.setAttr(loc + 'Shape.localScaleY', 0.015)
pm.setAttr(loc + 'Shape.localScaleZ', 0.015)
mainFollowGrp = pm.group(name='M_headFollowMain_grp', em=True)
headFollowGrp = pm.group(name='M_headFollowHead_grp', em=True)
pm.parent(mainFollowLoc, mainFollowGrp)
pm.parent(mainFollowGrp, 'main_ctrl')
pm.parent(headFollowLoc, headFollowGrp)
# pm.parent(headFollowGrp, 'M_head_ctrl')
pm.move(
mainFollowGrp,
(self.headRootPos[0], self.headRootPos[1], self.headRootPos[2]))
pm.move(
headFollowGrp,
(self.headRootPos[0], self.headRootPos[1], self.headRootPos[2]))
neckCtrlNum = (len(pm.ls('M_spine*_jnt')) - 1)
pm.select('M_spine%s_jnt' % neckCtrlNum)
neckCtrl = pm.ls(sl=True)[0]
neckCtrl = pm.PyNode(neckCtrl)
neckPos = neckCtrl.getTranslation('world')
headFollowHeadGrp = pm.group(n='M_followHead_grp')
pm.parent(headFollowGrp, headFollowHeadGrp)
pm.xform(headFollowGrp, piv=neckPos, ws=True)
followOrientConst = pm.orientConstraint('M_headFollowMain_loc',
'M_headFollowHead_loc',
headFollowHeadGrp,
mo=True)
print('NeckCtrl: %s' % neckCtrl)
pm.parent('M_head_ctrl', neckCtrl)
rigUtils.hideAttributes(ctrl='M_head_ctrl',
trans=True,
scale=True,
rot=False,
vis=True,
radius=False)
# add channel box attributes to switch space
pm.addAttr('M_head_ctrl', ln="follow", at="enum", en="main:head:")
pm.setAttr('M_head_ctrl.follow', e=True, keyable=True)
# create connections from the follow attrs to the orientConstraint
headFollowInvNode = pm.createNode('reverse', name='headFollow_inv')
pm.connectAttr(
'M_head_ctrl.follow',
'M_followHead_grp_orientConstraint1.M_headFollowHead_locW1',
f=True)
pm.connectAttr('M_head_ctrl.follow',
headFollowInvNode + '.inputX',
f=True)
pm.connectAttr(
headFollowInvNode + '.outputX',
'M_followHead_grp_orientConstraint1.M_headFollowMain_locW0',
f=True)