def build(upLeg=None, lowLeg=None, ankle=None, end=None, side='lf', twistJoints=5, globalScaleAttr=None, cleanup=0):
'''
makes a triple chain leg using a set of 4 existing hierarchical joints
'''
#Validation
if not upLeg or not lowLeg or not ankle or not end:
if len(cmds.ls(sl=1)) == 4:
upLeg = cmds.ls(sl=1)[0]
lowLeg = cmds.ls(sl=1)[1]
ankle = cmds.ls(sl=1)[2]
end = cmds.ls(sl=1)[3]
else:
return common.showDialog( 'Argument Error', 'Please supply 4 hierarchical joints' )
# Root group
root = cmds.group(empty=1, name='%s_leg_grp' % side)
#Constrain group which is aligned to the first joint and can be used to attach the leg to a shoulder
const = cmds.group(empty=1, name='%s_leg_const_grp' % side)
common.align(const, upLeg)
cmds.parent(const, root)
# result chainw
dupes = cmds.duplicate(upLeg, rc=1)
resultChain = []
for i in range(4):
jnt = cmds.rename(dupes[i], '%s_%s_result_jnt' %(side, ['upLeg', 'lowLeg', 'ankle', 'end'][i]) )
resultChain.append(jnt)
cmds.parent(resultChain[0], const)
# fk chain
dupes = cmds.duplicate(resultChain[0], rc=1)
fkChain = []
for i in range(4):
jnt = cmds.rename(dupes[i], '%s_%s_fk_jnt' %(side, ['upLeg', 'lowLeg', 'ankle', 'end'][i]) )
fkChain.append(jnt)
# ik chain
dupes = cmds.duplicate(resultChain[0], rc=1)
ikChain = []
for i in range(4):
jnt = cmds.rename(dupes[i], '%s_%s_ik_jnt' %(side, ['upLeg', 'lowLeg', 'ankle', 'end'][i]) )
ikChain.append(jnt)
# Settings ctrl
settingsCtrl = controls.crossCtrl(name='%s_leg_settings_ctrl' % side)
settingsShape = common.getShape(settingsCtrl)
common.align(settingsCtrl, const)
cmds.parent(settingsCtrl, root)
# ik / fk attr
cmds.addAttr( settingsCtrl, longName='state', at='enum', enumName='ik:fk', keyable=True )
stateRev = cmds.createNode('reverse', name='%s_leg_state_rev' % side)
cmds.connectAttr('%s.state' % settingsCtrl, '%s.inputX' % stateRev)
# bendy ctrls switch
cmds.addAttr( settingsCtrl, longName='bendy_ctrls', at='enum', enumName='hide:show', keyable=True )
##################################################################################################################################### FK Ctrls
fkGrp = cmds.group(empty=1, name='%s_leg_fk_grp' % side)
cmds.parent(fkGrp, root)
cmds.connectAttr('%s.state' % settingsCtrl, '%s.visibility' % fkGrp)
# fk up leg
fkUpLegCtrl = controls.circleBumpCtrl(name='%s_upLeg_fk_ctrl' % side, axis='x', radius=10)[0]
common.align(fkUpLegCtrl, fkChain[0])
cmds.parent(fkUpLegCtrl, fkGrp)
common.insertGroup(fkUpLegCtrl)
# fk low leg
fkLowLegCtrl = controls.circleBumpCtrl(name='%s_lowLeg_fk_ctrl' % side, axis='x', radius=10)[0]
common.align(fkLowLegCtrl, fkChain[1])
cmds.parent(fkLowLegCtrl, fkUpLegCtrl)
# fk foot
fkFootCtrl = controls.circleBumpCtrl(name='%s_foot_fk_ctrl' % side, axis='x', radius=10)[0]
common.align(fkFootCtrl, fkChain[2])
cmds.parent(fkFootCtrl, fkLowLegCtrl)
cmds.parentConstraint(fkUpLegCtrl, fkChain[0])
cmds.parentConstraint(fkLowLegCtrl, fkChain[1])
cmds.parentConstraint(fkFootCtrl, fkChain[2])
# add extend attrs
for ctrl in [fkLowLegCtrl, fkFootCtrl]:
cmds.addAttr( ctrl, longName='extend', at='double', keyable=True )
extend_pma = cmds.createNode('plusMinusAverage', name='%s_extend_pma' % ctrl)
cmds.setAttr('%s.input1D[0]' % extend_pma, cmds.getAttr('%s.tx' % ctrl))
if side == 'lf':
cmds.setAttr('%s.operation' % extend_pma, 2)
cmds.connectAttr('%s.extend' % ctrl, '%s.input1D[1]' % extend_pma)
cmds.connectAttr('%s.output1D' % extend_pma, '%s.tx' % ctrl)
##################################################################################################################################### IK ctrls ####
ikGrp = cmds.group(empty=1, name='%s_leg_ik_grp' % side)
cmds.parent(ikGrp, root)
cmds.connectAttr('%s.outputX' % stateRev, '%s.visibility' % ikGrp)
# IK foot
ikFootCtrl = controls.boxCtrl(name='%s_foot_ik_ctrl' % side, size=10)
common.align(ikFootCtrl, resultChain[2], orient=0)
cmds.parent(ikFootCtrl, ikGrp)
common.insertGroup(ikFootCtrl)
cmds.addAttr( ikFootCtrl, longName='stretch', at='double', minValue=0, maxValue=1, defaultValue=0, keyable=True )
cmds.addAttr( ikFootCtrl, longName='extend', at='double', keyable=True )
cmds.addAttr( ikFootCtrl, longName='pin', at='double', minValue=0, maxValue=1, defaultValue=0, keyable=True )
# IK Knee
ikKneeCtrl = controls.crossCtrl(name='%s_knee_ik_ctrl' % side, size=10)
pvAxis = '-z'
if side == 'rt':
pvAxis='z'
pv = common.placePoleVector(node1=resultChain[0], node2=resultChain[1], node3=resultChain[2], axis=pvAxis)
cmds.setAttr('%s.t' % ikKneeCtrl, pv[0], pv[1], pv[2])
cmds.parent(ikKneeCtrl, ikGrp)
common.insertGroup(ikKneeCtrl)
# IK Solvers
ikHandle = cmds.ikHandle( solver='ikRPsolver', name='%s_leg_ikHandle' % side, startJoint=ikChain[ 0 ], endEffector=ikChain[ 2 ] )[ 0 ]
common.align(ikHandle, resultChain[2])
cmds.poleVectorConstraint(ikKneeCtrl, ikHandle)
cmds.parent(ikHandle, ikFootCtrl)
endIkFootle = cmds.ikHandle( solver='ikSCsolver', name='%s_leg_end_ikHandle' % side, startJoint=ikChain[ 2 ], endEffector=ikChain[ 3 ] )[ 0 ]
common.align(endIkFootle, resultChain[3])
cmds.parent(endIkFootle, ikFootCtrl)
cmds.setAttr('%s.rotateX' % endIkFootle, 0)
#if side == 'lf':
#cmds.setAttr('%s.preferredAngleY' % ikChain[1], -90)
# Set up ik / fk blending
for i in range(4):
common.blendAttrs(targ1=ikChain[i], targ2=fkChain[i], driven=resultChain[i], blendAttr='%s.state' % settingsCtrl)
############################################################################################################################## Stretchy IK
# upLeg to ankle measure
legDist = measure.build(start=resultChain[0], end=resultChain[2], name='%s_legDist' % side)
cmds.parent(legDist['start'], const)
cmds.parent(legDist['xform'], const)
cmds.parent(legDist['end'], ikFootCtrl)
# upLeg to knee measure
upLegDist = measure.build(start=resultChain[0], end=ikKneeCtrl, startLoc=legDist['start'], name='%s_upLegDist' % side)
cmds.parent(upLegDist['xform'], const)
cmds.parent(upLegDist['end'], ikKneeCtrl)
# knee to ankle measure
lowLegDist = measure.build(start=ikKneeCtrl, end=ikFootCtrl, startLoc=upLegDist['end'], endLoc=legDist['end'], name='%s_lowLegDist' % side)
cmds.parent(lowLegDist['xform'], const)
# Utility node creation
stretch_md = cmds.createNode('multiplyDivide', name='%s_leg_stretchFactor_md' % side)
squash_md = cmds.createNode('multiplyDivide', name='%s_leg_squashFactor_md' % side)
stretch_cond = cmds.createNode('condition', name='%s_leg_stretchFactor_cond' % side)
extend_pma = cmds.createNode('plusMinusAverage', name='%s_leg_extend_pma' % side)
upLegStretch_md = cmds.createNode('multiplyDivide', name='%s_upLeg_stretch_md' % side)
upLegStretchAmount_bc = cmds.createNode('blendColors', name='%s_upLeg_stretchAmount_bc' % side)
upLegPinAmount_bc = cmds.createNode('blendColors', name='%s_upLeg_pinAmount_bc' % side)
lowLegStretch_md = cmds.createNode('multiplyDivide', name='%s_lowLeg_stretch_md' % side)
lowLegStretchAmount_bc = cmds.createNode('blendColors', name='%s_lowLeg_stretchAmount_bc' % side)
lowLegPinAmount_bc = cmds.createNode('blendColors', name='%s_lowLeg_pinAmount_bc' % side)
extendGlobalScale_md = cmds.createNode('multiplyDivide', name='%s_leg_extendGlobalScale_md' % side)
legDistGlobalScale_md = cmds.createNode('multiplyDivide', name='%s_legDist_globalScale_md' % side)
upLegDistGlobalScale_md = cmds.createNode('multiplyDivide', name='%s_upLegDistGlobalScale_md' % side)
lowLegDistGlobalScale_md = cmds.createNode('multiplyDivide', name='%s_lowLegDistGlobalScale_md' % side)
# Connect up graph
cmds.connectAttr('%s.extend' % ikFootCtrl, '%s.input1X' % extendGlobalScale_md)
cmds.connectAttr('%s.distance' % legDist['shape'], '%s.input1X' % legDistGlobalScale_md)
cmds.setAttr('%s.operation' % legDistGlobalScale_md, 2)
cmds.connectAttr('%s.distance' % upLegDist['shape'], '%s.input1X' % upLegDistGlobalScale_md)
cmds.setAttr('%s.operation' % upLegDistGlobalScale_md, 2)
cmds.connectAttr('%s.distance' % lowLegDist['shape'], '%s.input1X' % lowLegDistGlobalScale_md)
cmds.setAttr('%s.operation' % lowLegDistGlobalScale_md, 2)
if globalScaleAttr:
cmds.connectAttr(globalScaleAttr, '%s.input2X' % legDistGlobalScale_md )
cmds.connectAttr(globalScaleAttr, '%s.input2X' % upLegDistGlobalScale_md )
cmds.connectAttr(globalScaleAttr, '%s.input2X' % lowLegDistGlobalScale_md )
else:
cmds.setAttr('%s.input2X' % legDistGlobalScale_md, 1)
cmds.setAttr('%s.input2X' % upLegDistGlobalScale_md, 1)
cmds.setAttr('%s.input2X' % lowLegDistGlobalScale_md, 1)
upLegLength = math.fabs(cmds.getAttr('%s.tx' % resultChain[1]))
lowLegLength = math.fabs(cmds.getAttr('%s.tx' % resultChain[2]))
cmds.connectAttr('%s.outputX' % extendGlobalScale_md, '%s.input1D[0]' % extend_pma)
cmds.setAttr('%s.input1D[1]' % extend_pma, upLegLength + lowLegLength)
cmds.connectAttr('%s.output1D' % extend_pma, '%s.input1X' % squash_md)
cmds.setAttr('%s.input2X' % squash_md, upLegLength + lowLegLength)
cmds.setAttr('%s.operation' % squash_md, 2)
cmds.connectAttr('%s.outputX' % legDistGlobalScale_md, '%s.input1X' % stretch_md)
cmds.setAttr('%s.input2X' % stretch_md, upLegLength + lowLegLength)
cmds.setAttr('%s.operation' % stretch_md, 2)
cmds.connectAttr('%s.outputX' % legDistGlobalScale_md, '%s.firstTerm' % stretch_cond)
cmds.connectAttr('%s.output1D' % extend_pma, '%s.secondTerm' % stretch_cond)
cmds.connectAttr('%s.outputX' % stretch_md, '%s.colorIfTrueR' % stretch_cond)
cmds.connectAttr('%s.outputX' % squash_md, '%s.colorIfFalseR' % stretch_cond)
cmds.setAttr('%s.operation' % stretch_cond, 2)
cmds.connectAttr('%s.outColorR' % stretch_cond, '%s.input1X' % upLegStretch_md)
cmds.setAttr('%s.input2X' % upLegStretch_md, upLegLength)
cmds.connectAttr('%s.outColorR' % stretch_cond, '%s.input1X' % lowLegStretch_md)
cmds.setAttr('%s.input2X' % lowLegStretch_md, lowLegLength)
cmds.connectAttr('%s.stretch' % ikFootCtrl, '%s.blender' % upLegStretchAmount_bc)
cmds.connectAttr('%s.outputX' % upLegStretch_md, '%s.color1R' % upLegStretchAmount_bc)
cmds.setAttr('%s.color2R' % upLegStretchAmount_bc, upLegLength)
cmds.connectAttr('%s.stretch' % ikFootCtrl, '%s.blender' % lowLegStretchAmount_bc)
cmds.connectAttr('%s.outputX' % lowLegStretch_md, '%s.color1R' % lowLegStretchAmount_bc)
cmds.setAttr('%s.color2R' % lowLegStretchAmount_bc, lowLegLength)
cmds.connectAttr('%s.pin' % ikFootCtrl, '%s.blender' % upLegPinAmount_bc)
cmds.connectAttr('%s.outputX' % upLegDistGlobalScale_md, '%s.color1R' % upLegPinAmount_bc)
cmds.connectAttr('%s.outputR' % upLegStretchAmount_bc, '%s.color2R' % upLegPinAmount_bc)
cmds.connectAttr('%s.pin' % ikFootCtrl, '%s.blender' % lowLegPinAmount_bc)
cmds.connectAttr('%s.outputX' % lowLegDistGlobalScale_md, '%s.color1R' % lowLegPinAmount_bc)
cmds.connectAttr('%s.outputR' % lowLegStretchAmount_bc, '%s.color2R' % lowLegPinAmount_bc)
if side == 'lf':
upLegPinAmount_uc = cmds.createNode('unitConversion', name='%s_upLegPinAmount_uc')
cmds.setAttr('%s.conversionFactor' % upLegPinAmount_uc, -1)
cmds.connectAttr('%s.outputR' % upLegPinAmount_bc, '%s.input' % upLegPinAmount_uc)
cmds.connectAttr('%s.output' % upLegPinAmount_uc, '%s.tx' % ikChain[1])
lowLegPinAmount_uc = cmds.createNode('unitConversion', name='%s_lowLegPinAmount_uc')
cmds.setAttr('%s.conversionFactor' % lowLegPinAmount_uc, -1)
cmds.connectAttr('%s.outputR' % lowLegPinAmount_bc, '%s.input' % lowLegPinAmount_uc)
cmds.connectAttr('%s.output' % lowLegPinAmount_uc, '%s.tx' % ikChain[2])
else:
cmds.connectAttr('%s.outputR' % upLegPinAmount_bc, '%s.tx' % ikChain[1])
cmds.connectAttr('%s.outputR' % lowLegPinAmount_bc, '%s.tx' % ikChain[2])
############################################################################################################################# Twist extration
upLegNonRoll = nonRoll.build(joint=resultChain[0], name='%s_upLeg' % side)
cmds.parent(upLegNonRoll['main_grp'], const)
lowLegNonRoll = nonRoll.build(joint=resultChain[1], name='%s_lowLeg' % side)
cmds.parent(lowLegNonRoll['main_grp'], upLegNonRoll['nonRoll'])
ankleNonRoll = nonRoll.build(joint=resultChain[2], name='%s_ankle' % side)
cmds.parent(ankleNonRoll['main_grp'], resultChain[1])
############################################################################################################################# Bendy leg
bendGrp = cmds.group(empty=1, name='%s_leg_bend_grp' % side)
cmds.parent(bendGrp, root)
cmds.connectAttr('%s.bendy_ctrls' % settingsCtrl, '%s.visibility' % bendGrp)
# Knee ctrl
bendyKneeCtrl = controls.squareCtrl(name='%s_knee_bend_ctrl' % side, axis='x', size=10)
cmds.parent(bendyKneeCtrl, bendGrp)
bendyKneeGrp = common.insertGroup(bendyKneeCtrl)
bendyKneeGrp = cmds.rename(bendyKneeGrp, '%s_knee_bend_grp' % side)
orientConstraint = cmds.orientConstraint(resultChain[0], resultChain[1], bendyKneeGrp)[0]
cmds.setAttr('%s.interpType' % orientConstraint, 2)
cmds.pointConstraint(resultChain[1], bendyKneeGrp)
cmds.addAttr(settingsCtrl, longName='auto_bend', at='double', minValue=0, maxValue=1, defaultValue=0, keyable=1)
# Auto / Manual knee bend
# In
bendyKneeInConstGrp = cmds.group(empty=1, name='%s_knee_bend_in_const_grp' % side)
common.align(bendyKneeInConstGrp, resultChain[0])
upLegPoints = common.pointsAlongVector(resultChain[0], resultChain[1], divisions=3)
cmds.setAttr('%s.t' % bendyKneeInConstGrp, upLegPoints[2][0], upLegPoints[2][1], upLegPoints[2][2])
cmds.parent(bendyKneeInConstGrp, bendGrp)
bendyKneeInCtrl = controls.squareCtrl(name='%s_knee_bend_in_ctrl' % side, axis='x', size=7.5)
common.align(bendyKneeInCtrl, bendyKneeInConstGrp)
cmds.parent(bendyKneeInCtrl, bendyKneeInConstGrp)
bendyKneeInManual = cmds.group(empty=1, name='%s_knee_bend_in_manual_targ' % side)
common.align(bendyKneeInManual, bendyKneeInConstGrp)
cmds.parent(bendyKneeInManual, resultChain[0])
cmds.pointConstraint(bendyKneeCtrl, resultChain[0], bendyKneeInManual)
cmds.pointConstraint(bendyKneeCtrl, bendyKneeInManual, e=1, w=2.0)
bendyKneeInAuto = cmds.group(empty=1, name='%s_knee_bend_in_auto_targ' % side)
common.align(bendyKneeInAuto, bendyKneeInConstGrp)
cmds.parent(bendyKneeInAuto, bendyKneeCtrl)
parentConstraint = cmds.parentConstraint(bendyKneeInManual, bendyKneeInAuto, bendyKneeInConstGrp)[0]
cmds.connectAttr('%s.auto_bend' % settingsCtrl, '%s.%sW1' % (parentConstraint, bendyKneeInAuto))
rev = cmds.createNode('reverse', name='%s_knee_bend_auto_rev')
cmds.connectAttr('%s.auto_bend' % settingsCtrl, '%s.inputX' % rev)
cmds.connectAttr('%s.outputX' % rev, '%s.%sW0' % (parentConstraint, bendyKneeInManual))
# out
bendyKneeOutConstGrp = cmds.group(empty=1, name='%s_knee_bend_out_const_grp' % side)
common.align(bendyKneeOutConstGrp, resultChain[1])
lowLegPoints = common.pointsAlongVector(resultChain[1], resultChain[2], divisions=3)
cmds.setAttr('%s.t' % bendyKneeOutConstGrp, lowLegPoints[1][0], lowLegPoints[1][1], lowLegPoints[1][2])
cmds.parent(bendyKneeOutConstGrp, bendGrp)
bendyKneeOutCtrl = controls.squareCtrl(name='%s_knee_bend_out_ctrl' % side, axis='x', size=7.5)
common.align(bendyKneeOutCtrl, bendyKneeOutConstGrp)
cmds.parent(bendyKneeOutCtrl, bendyKneeOutConstGrp)
bendyKneeOutManual = cmds.group(empty=1, name='%s_knee_bend_out_manual_targ' % side)
common.align(bendyKneeOutManual, bendyKneeOutConstGrp)
cmds.parent(bendyKneeOutManual, resultChain[1])
cmds.pointConstraint(bendyKneeCtrl, resultChain[2], bendyKneeOutManual)
cmds.pointConstraint(bendyKneeCtrl, bendyKneeOutManual, e=1, w=2.0)
bendyKneeOutAuto = cmds.group(empty=1, name='%s_knee_bend_out_auto_targ' % side)
common.align(bendyKneeOutAuto, bendyKneeOutConstGrp)
cmds.parent(bendyKneeOutAuto, bendyKneeCtrl)
parentConstraint = cmds.parentConstraint(bendyKneeOutManual, bendyKneeOutAuto, bendyKneeOutConstGrp)[0]
cmds.connectAttr('%s.auto_bend' % settingsCtrl, '%s.%sW1' % (parentConstraint, bendyKneeOutAuto))
rev = cmds.createNode('reverse', name='%s_knee_bend_auto_rev')
cmds.connectAttr('%s.auto_bend' % settingsCtrl, '%s.inputX' % rev)
cmds.connectAttr('%s.outputX' % rev, '%s.%sW0' % (parentConstraint, bendyKneeOutManual))
# Hip out
bendyHipConstGrp = cmds.group(empty=1, name='%s_hip_bend_const_grp' % side)
common.align(bendyHipConstGrp, resultChain[0])
cmds.parent(bendyHipConstGrp, bendGrp)
bendyHipCtrl = controls.squareCtrl(name='%s_hip_bend_ctrl' % side, axis='x', size=7.5)
common.align(bendyHipCtrl, bendyHipConstGrp)
cmds.parent(bendyHipCtrl, bendyHipConstGrp)
cmds.pointConstraint(bendyKneeCtrl, resultChain[0], bendyHipConstGrp)
cmds.pointConstraint(bendyKneeCtrl, bendyHipConstGrp, e=1, w=0.5)
cmds.orientConstraint(resultChain[0], bendyHipConstGrp)
# Ankle in
bendyAnkleConstGrp = cmds.group(empty=1, name='%s_ankle_bend_const_grp' % side)
common.align(bendyAnkleConstGrp, resultChain[1])
cmds.parent(bendyAnkleConstGrp, bendGrp)
bendyAnkleCtrl = controls.squareCtrl(name='%s_ankle_bend_ctrl' % side, axis='x', size=7.5)
common.align(bendyAnkleCtrl, bendyAnkleConstGrp)
cmds.parent(bendyAnkleCtrl, bendyAnkleConstGrp)
cmds.pointConstraint(bendyKneeCtrl, resultChain[2], bendyAnkleConstGrp)
cmds.pointConstraint(bendyKneeCtrl, bendyAnkleConstGrp, e=1, w=0.5)
cmds.orientConstraint(resultChain[1], bendyAnkleConstGrp)
############################################################################################################################# Curve segments
defJnts_grp = cmds.group(empty=1, name='%s_leg_defJnts_grp' % side)
cmds.parent(defJnts_grp, root)
# up leg
upLegSeg = cmds.group(empty=1, name='%s_upLeg_segment_grp' % side)
cmds.parent(upLegSeg, defJnts_grp)
cmds.setAttr('%s.inheritsTransform' % upLegSeg, 0)
crv = curve.curveBetweenNodes(start=upLeg, end=lowLeg, name='%s_upLeg' % side)
cmds.parent(crv, const)
mpNodes = curve.nodesAlongCurve(crv=crv, numNodes=twistJoints, name='%s_upLeg' % side, upNode=upLegNonRoll['nonRoll'])
cmds.parent(mpNodes['grps'], upLegSeg)
roll_uc = cmds.createNode('unitConversion', name='%s_upLeg_roll_uc' % side)
cmds.setAttr('%s.conversionFactor' % roll_uc, 1.0)
cmds.connectAttr('%s.rotateX' % lowLegNonRoll['info'], '%s.input' % roll_uc)
kneeRoll_uc = cmds.createNode('unitConversion', name='%s_upLeg_kneeRoll_uc' % side)
cmds.setAttr('%s.conversionFactor' % kneeRoll_uc, 1.0)
cmds.connectAttr('%s.rotateX' % bendyKneeCtrl, '%s.input' % kneeRoll_uc)
roll_pma = cmds.createNode('plusMinusAverage', name='%s_upLeg_roll_pma' % side)
cmds.connectAttr('%s.output' % roll_uc, '%s.input1D[0]' % roll_pma)
cmds.connectAttr('%s.output' % kneeRoll_uc, '%s.input1D[1]' % roll_pma)
for i in range(len(mpNodes['mpNodes'])):
# Create child Joint
cmds.select(clear=1)
j = cmds.joint(name='%s_upLeg_%s_defJnt' % (side, i))
common.align(j, mpNodes['grps'][i])
cmds.parent(j, mpNodes['grps'][i])
totalRoll_uc = cmds.createNode('unitConversion', name='%s_upLeg_totalRoll_%s_uc' % (side, i+1))
if side == 'lf':
cmds.setAttr('%s.conversionFactor' % totalRoll_uc, (1.0 / (twistJoints-1) * i)*-1)
else:
cmds.setAttr('%s.conversionFactor' % totalRoll_uc, 1.0 / (twistJoints-1) * i)
cmds.connectAttr('%s.output1D' % roll_pma, '%s.input' % totalRoll_uc)
cmds.connectAttr('%s.output' % totalRoll_uc, '%s.frontTwist' % mpNodes['mpNodes'][i])
upLegCrvJnts = curve.bindCurve(crv=crv)
cmds.parent(upLegCrvJnts[0], resultChain[0])
cmds.parent(upLegCrvJnts[1], bendyHipCtrl)
cmds.parent(upLegCrvJnts[2], bendyKneeInCtrl)
cmds.parent(upLegCrvJnts[3], bendyKneeCtrl)
# low leg
lowLegSeg = cmds.group(empty=1, name='%s_lowLeg_segment_grp' % side)
cmds.parent(lowLegSeg, defJnts_grp)
cmds.setAttr('%s.inheritsTransform' % lowLegSeg, 0)
crv = curve.curveBetweenNodes(start=lowLeg, end=ankle, name='%s_lowLeg' % side)
cmds.parent(crv, const)
mpNodes = curve.nodesAlongCurve(crv=crv, numNodes=twistJoints, name='%s_lowLeg' % side, upNode=resultChain[1])
cmds.parent(mpNodes['grps'], lowLegSeg)
for i in range(len(mpNodes['mpNodes'])):
# Create child Joint
cmds.select(clear=1)
j = cmds.joint(name='%s_lowLeg_%s_defJnt' % (side, i))
common.align(j, mpNodes['grps'][i])
cmds.parent(j, mpNodes['grps'][i])
roll_uc = cmds.createNode('unitConversion', name='%s_lowLeg_roll_%s_uc' % (side, i+1))
cmds.setAttr('%s.conversionFactor' % roll_uc, 1.0 / (twistJoints-1) * i)
cmds.connectAttr('%s.rotateX' % ankleNonRoll['info'], '%s.input' % roll_uc)
kneeRoll_uc = cmds.createNode('unitConversion', name='%s_lowLeg_kneeRoll_%s_uc' % (side, i+1))
cmds.setAttr('%s.conversionFactor' % kneeRoll_uc, 1.0 - (1.0 / (twistJoints-1) * i))
cmds.connectAttr('%s.rotateX' % bendyKneeCtrl, '%s.input' % kneeRoll_uc)
roll_pma = cmds.createNode('plusMinusAverage', name='%s_lowLeg_roll_%s_pma' % (side, i+1))
cmds.connectAttr('%s.output' % roll_uc, '%s.input1D[0]' % roll_pma)
cmds.connectAttr('%s.output' % kneeRoll_uc, '%s.input1D[1]' % roll_pma)
totalRoll_uc = cmds.createNode('unitConversion', name='%s_lowLeg_totalRoll_%s_uc' % (side, i+1))
if side == 'lf':
cmds.setAttr('%s.conversionFactor' % totalRoll_uc, -1.0)
else:
cmds.setAttr('%s.conversionFactor' % totalRoll_uc, 1.0)
cmds.connectAttr('%s.output1D' % roll_pma, '%s.input' % totalRoll_uc)
cmds.connectAttr('%s.output' % totalRoll_uc, '%s.frontTwist' % mpNodes['mpNodes'][i])
lowLegCrvJnts = curve.bindCurve(crv=crv)
cmds.parent(lowLegCrvJnts[0], bendyKneeCtrl)
cmds.parent(lowLegCrvJnts[1], bendyKneeOutCtrl)
cmds.parent(lowLegCrvJnts[2], bendyAnkleCtrl)
cmds.parent(lowLegCrvJnts[3], resultChain[2])
############################################################################################################################################## CLEANUP
if cleanup:
cmds.setAttr('%s.visibility' % const, 0)
common.attrCtrl(lock=True, keyable=False, channelBox=False, nodeList=[const, bendyKneeCtrl], attrList=['visibility'])
common.attrCtrl(lock=True, keyable=False, channelBox=False,
nodeList=[fkUpLegCtrl, fkLowLegCtrl, fkFootCtrl],
attrList=['visibility', 'tx', 'ty', 'tz', 'sx', 'sy', 'sz'])
common.attrCtrl(lock=True, keyable=False, channelBox=False,
nodeList=[ikFootCtrl,],
attrList=['visibility', 'sx', 'sy', 'sz'])
common.attrCtrl(lock=True, keyable=False, channelBox=False,
nodeList=[ikKneeCtrl, bendyHipCtrl, bendyKneeInCtrl, bendyKneeOutCtrl, bendyAnkleCtrl],
attrList=['visibility', 'sx', 'sy', 'sz'])
############################################################################################################################################## RETURN
returnDict={
'upLeg_fk_ctrl':fkUpLegCtrl,
'lowLeg_fk_ctrl':fkLowLegCtrl,
'foot_fk_ctrl':fkFootCtrl,
'foot_ik_ctrl':ikFootCtrl,
'knee_ik_ctrl': ikKneeCtrl,
'settings':settingsCtrl,
'knee_bend_ctrl':bendyKneeCtrl,
'hip_bend_ctrl':bendyHipCtrl,
'knee_in_bend_ctrl':bendyKneeInCtrl,
'knee_out_bend_ctrl':bendyKneeInCtrl,
'root':root,
'const':const
}
return returnDict
def buildFoot(name='', numJoints=5, side='rt', blendAttr=None, cleanup=1):
# main ik group
grp = cmds.group(empty=1, name=(name+'_ik_grp'))
noTouch_grp = cmds.group(empty=1, name=(name+'_ik_noTouch_grp'))
cmds.parent(noTouch_grp, grp)
# Create ik nurbsPlane
ikPlane = cmds.nurbsPlane(u=7, v=7, name=(name+'_ikPlane'), axis=[0,1,0])[0]
cmds.parent(ikPlane, noTouch_grp)
# Create ik follicles
ikFollicles=[]
for i in range(numJoints):
f = rivet.build(mesh=ikPlane, paramV=(1.0/(numJoints-1) * i), paramU=0.5, name=(name + '_ik_' + str(i+1)))
ikFollicles.append(f)
cmds.parent(f, noTouch_grp)
# Create IK Control
##ikCtrl = cmds.circle(name=(name + '_ik_bend_ctrl'))[0]
ikCtrl = controls.circleBumpCtrl(radius=5.0, name=(name + '_ik_bend_ctrl'), axis='x')[0]
cmds.parent(ikCtrl, grp)
common.insertGroup(ikCtrl)
cmds.addAttr(ikCtrl, ln='falloff', at='double', keyable=1, minValue=0.01)
# Create deformers
ikBend1 = cmds.nonLinear(ikPlane, type='bend')
ikBend1_bend = cmds.rename(ikBend1[0], name+'_ikBend_1')
ikBend1_handle = cmds.rename(ikBend1[1], name+'_ikBend_1_handle')
handle_grp = common.insertGroup(ikBend1_handle)
driven_grp = common.insertGroup(ikBend1_handle, 'driven')
cmds.xform(ikBend1_handle, ws=0, rotation=(90, 0, 90))
cmds.parent(handle_grp, noTouch_grp)
uc = cmds.createNode('unitConversion', name=(name + '_ikBend_1_falloff_uc'))
cmds.connectAttr(ikCtrl+'.falloff', uc+'.input')
cmds.setAttr(uc+'.conversionFactor', -1.0)
md = cmds.createNode('multiplyDivide', name=(name+'_ikBend_1_curvature_md'))
cmds.setAttr(md+'.operation', 2)
cmds.connectAttr(ikCtrl+'.rx', md+'.input1X')
cmds.connectAttr(ikCtrl+'.falloff', md+'.input2X')
cmds.connectAttr(md+'.outputX', ikBend1_bend+'.curvature')
cmds.connectAttr(uc+'.output', ikBend1_bend+'.lowBound')
cmds.setAttr(ikBend1_bend+'.highBound', 0.0)
cmds.connectAttr(ikCtrl+'.tx', driven_grp+'.tx')
cmds.connectAttr(ikCtrl+'.tz', driven_grp+'.tz')
cmds.connectAttr(ikCtrl+'.ry', driven_grp+'.ry')
# Create IK toe Control
##ikToeCtrl = cmds.circle(name=(name + '_ik_toe_ctrl'))[0]
ikToeCtrl = controls.circleBumpCtrl(radius=3.0, name=(name + '_ik_toe_ctrl'), axis='x')[0]
cmds.parent(ikToeCtrl, ikCtrl)
common.insertGroup(ikToeCtrl)
# Create deformers
ikToeBend1 = cmds.nonLinear(ikPlane, type='bend')
ikToeBend1_bend = cmds.rename(ikToeBend1[0], name+'_ikToeBend_1')
ikToeBend1_handle = cmds.rename(ikToeBend1[1], name+'_ikToeBend_1_handle')
cmds.parent(ikToeBend1_handle, driven_grp)
cmds.xform(ikToeBend1_handle, ws=0, rotation=(90, 0, 90))
uc = cmds.createNode('unitConversion', name=(name + '_ikToeBend_1_curvature_uc'))
cmds.connectAttr(ikToeCtrl+'.rx', uc+'.input')
cmds.setAttr(uc+'.conversionFactor', -57.296)
md = cmds.createNode('multiplyDivide', name=(name+'_ikToeBend_1_curvature_md'))
cmds.setAttr(md+'.operation', 2)
cmds.connectAttr(uc+'.output', md+'.input1X')
cmds.connectAttr(ikCtrl+'.falloff', md+'.input2X')
cmds.connectAttr(md+'.outputX', ikToeBend1_bend+'.curvature')
cmds.connectAttr(ikCtrl+'.falloff', ikToeBend1_bend+'.highBound')
cmds.setAttr(ikToeBend1_bend+'.lowBound', 0.0)
# main fk group
fk_grp = cmds.group(empty=1, name=(name+'_fk_grp'))
fk_noTouch_grp = cmds.group(empty=1, name=(name+'_fk_noTouch_grp'))
cmds.parent(fk_noTouch_grp, fk_grp)
# fk nurbsPlane
fkPlane = cmds.nurbsPlane(u=7, v=7, name=(name+'_fkPlane'), axis=[0,1,0])[0]
cmds.parent(fkPlane, fk_noTouch_grp)
# Create fk follicles
fkFollicles=[]
for i in range(numJoints):
f = rivet.build(mesh=fkPlane, paramV=(1.0/(numJoints-1) * i), paramU=0.5, name=(name + '_fk_' + str(i+1)))
fkFollicles.append(f)
cmds.parent(f, fk_noTouch_grp)
# Create FK Control
##fkCtrl = cmds.circle(name=(name + '_fk_bend_ctrl'))[0]
fkCtrl = controls.circleBumpCtrl(radius=4.0, name=(name + '_fk_bend_ctrl'), axis='x')[0]
cmds.parent(fkCtrl, fk_grp)
common.insertGroup(fkCtrl)
cmds.addAttr(fkCtrl, ln='falloff', at='double', keyable=1, minValue=0.01)
# Create fk deformers
fkBend1 = cmds.nonLinear(fkPlane, type='bend')
fkBend1_bend = cmds.rename(fkBend1[0], name+'_fkBend_1')
fkBend1_handle = cmds.rename(fkBend1[1], name+'_fkBend_1_handle')
handle_grp = common.insertGroup(fkBend1_handle)
driven_grp = common.insertGroup(fkBend1_handle, 'driven')
cmds.xform(fkBend1_handle, ws=0, rotation=(90, 0, 90))
cmds.parent(handle_grp, fk_noTouch_grp)
uc = cmds.createNode('unitConversion', name=(name + '_fkBend_1_curvature_uc'))
cmds.connectAttr(fkCtrl+'.rx', uc+'.input')
cmds.setAttr(uc+'.conversionFactor', -57.296)
md = cmds.createNode('multiplyDivide', name=(name+'_fkBend_1_curvature_md'))
cmds.setAttr(md+'.operation', 2)
cmds.connectAttr(uc+'.output', md+'.input1X')
cmds.connectAttr(fkCtrl+'.falloff', md+'.input2X')
cmds.connectAttr(md+'.outputX', fkBend1_bend+'.curvature')
cmds.connectAttr(fkCtrl+'.falloff', fkBend1_bend+'.highBound')
cmds.setAttr(fkBend1_bend+'.lowBound', 0.0)
cmds.connectAttr(fkCtrl+'.tx', driven_grp+'.tx')
cmds.connectAttr(fkCtrl+'.tz', driven_grp+'.tz')
cmds.connectAttr(fkCtrl+'.ry', driven_grp+'.ry')
# Set up blending attribute
ikAttr=None
fkAttr=None
if not blendAttr:
cmds.addAttr(grp, longName='state', at='enum', enumName='ik:fk', keyable=True )
stateRev = cmds.createNode('reverse', name=(name+'_state_rev'))
cmds.connectAttr(grp+'.state', stateRev+'.inputX')
fkAttr=(grp+'.state')
ikAttr=(stateRev+'.outputX')
else:
fkAttr=blendAttr
# Check whether a reverse node is connected to blendAttr
revCheck = cmds.listConnections(fkAttr, type='reverse')
if revCheck:
ikAttr = revCheck[0]+'.outputX'
else:
stateRev = cmds.createNode('reverse', name=(name+'_state_rev'))
cmds.connectAttr(fkAttr, stateRev+'.inputX')
ikAttr=(stateRev+'.outputX')
joints_grp = cmds.group(empty=1, name=(name+'_joints_grp'))
cmds.parent(joints_grp, grp)
# Build joints
for i in range(numJoints):
cmds.select(joints_grp)
pos = cmds.xform(ikFollicles[i], q=1, t=1, ws=1)
j = cmds.joint(name=(name+'_'+str(i+1)+'_jnt'), p=pos)
#Constrain between follicles
pc = cmds.parentConstraint([ikFollicles[i], fkFollicles[i]], j)[0]
weightAliasList = [str(w) for w in cmds.parentConstraint(j, q=1, weightAliasList=1)]
cmds.connectAttr(ikAttr, pc+'.'+weightAliasList[0])
cmds.connectAttr(fkAttr, pc+'.'+weightAliasList[1])
if cleanup:
common.attrCtrl(lock=True, keyable=False, channelBox=False, nodeList=[ikCtrl, fkCtrl], attrList=['ty', 'rz', 'sx', 'sy', 'sz', 'visibility'])
common.attrCtrl(lock=True, keyable=False, channelBox=False, nodeList=[ikToeCtrl], attrList=['tx', 'ty', 'tz', 'ry', 'rz', 'sx', 'sy', 'sz', 'visibility'])
#buildFoot()