def buildSpine(start, end, numJoints=10, name=''): # base groups main_grp = pmc.group(empty=1, name='%s_grp' % name) const_grp = pmc.group(empty=1, name='%s_const_grp' % name) common.align(const_grp.nodeName(), start, orient=0) # Create curve crv = curve.curveBetweenNodes(start, end, name=name) crvJoints = curve.bindCurve(crv) # controls # hips hip_ctrl = controls.circleBumpCtrl(name='%s_hips_ctrl' % name, axis='y') common.align(hip_ctrl.nodeName(), crvJoints[1]) hip_ctrl.setParent(const_grp) pmc.parent(crvJoints[0], hip_ctrl) hip_tan_grp = common.insertGroup(crvJoints[0]) hip_tan_grp = pmc.rename(hip_tan_grp, '%s_hips_tangent_grp' % name) pmc.parent(crvJoints[1], hip_tan_grp) pmc.parent(hip_tan_grp, hip_ctrl) common.insertGroup(hip_ctrl.nodeName()) # chest chest_ctrl = controls.circleBumpCtrl(name='%s_chest_ctrl' % name, axis='y') common.align(chest_ctrl.nodeName(), crvJoints[2]) chest_ctrl.setParent(const_grp) pmc.parent(crvJoints[3], chest_ctrl) chest_tan_grp = common.insertGroup(crvJoints[3]) chest_tan_grp = pmc.rename(chest_tan_grp, '%s_chest_tangent_grp' % name) pmc.parent(crvJoints[2], chest_tan_grp) pmc.parent(chest_tan_grp, chest_ctrl) common.insertGroup(chest_ctrl.nodeName()) # curve tangent stuff # crvInfo crvInfo = pmc.createNode('curveInfo', name='%s_crvInfo' % name) crvShape = common.getShape(crv) crvShape.worldSpace[0].connect(crvInfo.inputCurve) # distance ctrlDist = common.distanceBetweenNodes(hip_ctrl, chest_ctrl, name='%s_dist' % name) distMD = common.divide(ctrlDist.distance, ctrlDist.distance.get(), name='%s_ctrlDist_md') ctrlDistMult = common.pow(distMD.outputX, 0.5, name='%s_ctrlDistMult_md') # angle hipVp = pmc.createNode('vectorProduct', name='%s_hipAngle_vp' % name) hipVp.operation.set(3) hip_ctrl.worldMatrix[0].connect(hipVp.matrix) hipVp.input1X.set(0.0) hipVp.input1Y.set(1.0) hipVp.input1Z.set(0.0) chestVp = pmc.createNode('vectorProduct', name='%s_chestAngle_vp' % name) chestVp.operation.set(3) chest_ctrl.worldMatrix[0].connect(chestVp.matrix) chestVp.input1X.set(0.0) chestVp.input1Y.set(1.0) chestVp.input1Z.set(0.0) dotVp = pmc.createNode('vectorProduct', name='%s_angle' % name) hipVp.output.connect(dotVp.input1) chestVp.output.connect(dotVp.input2) dotVp.normalizeOutput.set(1) dotPMA = common.add([dotVp.outputX, 1.0], name='%_dotPlusOne_pma') dotMult = common.multiply(dotPMA.output1D, 0.25, name='%s_dot_md') dotRev = pmc.createNode('reverse', name='%s_dot_rev' % name) dotMult.outputX.connect(dotRev.inputX) tanPMA = common.add([dotRev.outputX, ctrlDistMult.outputX], name='%s_tangent_pma') tanPMA.output1D.connect('%s.sx' % hip_tan_grp) tanPMA.output1D.connect('%s.sy' % hip_tan_grp) tanPMA.output1D.connect('%s.sz' % hip_tan_grp) tanPMA.output1D.connect('%s.sx' % chest_tan_grp) tanPMA.output1D.connect('%s.sy' % chest_tan_grp) tanPMA.output1D.connect('%s.sz' % chest_tan_grp) # stretch stretchMD = common.divide(crvInfo.arcLength, crvInfo.arcLength.get(), name='%s_stretch_md' % name) # pathNodes mps = curve.nodesAlongCurve(crv=crv, numNodes=numJoints, name=name, followAxis='y', upAxis='z', upNode=hip_ctrl.nodeName(), upVec='z')
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