def addElbowFkOffset(pvCtl, ikJnts, handCtl, handIkH, wristDrv, elbowDrnCons): ''' ikJnts - (shoulder, elbow, wrist) ''' prefix_side = ikJnts[0].split('_')[-1] + '_' armGrp = mc.group(em=True, n=prefix_side + 'armGrp') """ NOT NEEDED - Wrist control will be directed controlled by pvCtl elbowFKCtl = cs.ctlCurve(prefix_side+'elbowFKOffset_ctl', 'circle', 0, (0,0,0), size=3, colorId=22, snap=pvCtl) mc.parent(elbowFKCtl.home, armGrp) abRT.hideAttr(elbowFKCtl.crv, ['tx','ty','tz','sx','sy','sz','v']) # elbowOffsetCtl is in the pvCtl space # mc.parentConstraint(ikJnts[1], elbowFKCtl.grp['space']) elbowFKCtl.setSpaces([pvCtl], ['PoleVector']) """ # duplicate joint chain (ikJnts[1:]) don't need the shoulder fkOffsetGrp = mc.group(em=True, n=prefix_side + 'armFkOffset_grp', p=armGrp) fkOffsetJnts = abRT.duplicateJointHierarchy( ikJnts[1:], [jnt.replace('IKX', 'FKOffset') for jnt in ikJnts[1:]], fkOffsetGrp) ''' # get transforms from IK chain mc.parentConstraint(ikJnts[0], fkOffsetJnts[0]) # position & rotation for shoulder mc.connectAttr(ikJnts[1]+'.tx', fkOffsetJnts[1]+'.tx', f=True) # stretchy for upperArm mc.connectAttr(ikJnts[2]+'.tx', fkOffsetJnts[2]+'.tx', f=True) # stretchy for lowerArm ''' # get offset rotations & rotations from ctrl pos = mc.xform(pvCtl, q=True, ws=True, t=True) mc.xform(fkOffsetJnts[0], t=pos, ws=True) # abRT.snapToPosition(elbowFKCtl.crv, fkOffsetJnts[0]) mc.setAttr(fkOffsetJnts[0] + '.jointOrient', 0, 0, 0) mc.setAttr(fkOffsetJnts[0] + '.ry', 180) mc.setAttr(fkOffsetJnts[1] + '.jointOrient', 0, 0, 0) mc.setAttr(fkOffsetJnts[1] + '.r', 0, 0, 0) mc.parentConstraint(pvCtl, fkOffsetJnts[0], mo=True) # unlock rotations for pvCtl, so that we can rotate the elbow mc.setAttr(pvCtl + '.rx', l=False, k=True) mc.setAttr(pvCtl + '.ry', l=False, k=True) mc.setAttr(pvCtl + '.rz', l=False, k=True) """ NOT NEEDED - since FKOffset will drive the Hand the Hand will drive the ikHandle the ikHandle drive the ikJoints Therefore, the deformation system should still follow the ikJoints #=========================================================================== # REPLACE IK DRIVERS WITH FKOFFSET DRIVERS #=========================================================================== # 1. WRIST DRV (END OF CHAIN) # wristDrv = IKFKAlignedArm_L is responsible for driving the endLoc of the bendyCrv # therefore, reparent from IKWrist to FKOffsetWrist mc.parent(wristDrv, fkOffsetJnts[2]) # 2. ELBOW DRV (START OF CHAIN) # elbowDrvCons is responsible for driving the startLoc of the bendyCrv mc.parentConstraint(fkOffsetJnts[1], elbowDrnCons) wal = mc.parentConstraint(elbowDrnCons, q=1, wal=1) targets = mc.parentConstraint(elbowDrnCons, q=1, tl=1) targetIndex = targets.index(ikJnts[1]) #transfer connection from IK to FKOffset inConns = mc.listConnections(elbowDrnCons + '.' + wal[targetIndex], p=1, s=1) mc.connectAttr(inConns[0], elbowDrnCons+'.'+wal[2], f=True) # remove the old IK target mc.parentConstraint(ikJnts[1], elbowDrnCons, e=1, rm=1) """ # add wristFKOffsetCtl wristFKCtl = cs.ctlCurve(prefix_side + 'wristFKOffset_ctl', 'circle', 0, (0, 0, 0), size=2, colorId=22, snap=fkOffsetJnts[1], ctlOffsets=['stretchy', 'IkOri']) mc.parent(wristFKCtl.home, armGrp) abRT.hideAttr(wristFKCtl.crv, ['tx', 'ty', 'tz', 'sx', 'sy', 'sz', 'v']) # wristOffsetCtl is in the FKOffset-elbow space # mc.parentConstraint(fkOffsetJnts[1], wristFKCtl.grp['space']) wristFKCtl.setSpaces([fkOffsetJnts[0]], ['Elbow']) # length for lower arm mc.addAttr(pvCtl, ln='length', at='double', dv=0, k=True) mc.connectAttr(pvCtl + '.length', wristFKCtl.grp['stretchy'] + '.tx', f=True) """ NOT NEEDED ANYMORE- It will just follow orientation of FKOffsetElbow # wristOffsetCtl's align can be switched between parent (FKOffset) or IKHand # place a group aligned properly to hand under IKHand for better orientConstraint (since IKHand is in world-space orientation) IkHandAlignTarget = mc.group(em=True, n=handCtl+'_alignTarget') rt.parentSnap(IkHandAlignTarget, wristFKCtl.crv) mc.parent(IkHandAlignTarget, handCtl) rt.spaceSwitchSetup([IkHandAlignTarget, elbowFKCtl.crv], wristFKCtl.grp['IkOri'], wristFKCtl.crv, 'orientConstraint', ['IkHand','FkElbow']) """ # create group to blend between IK & FKOffset blendGrp = mc.group(em=True, n=handCtl + '-IKFKOffsetBlend_grp', p=armGrp) abRT.snapToPosition(handCtl, blendGrp) fkOffsetWristTgt = mc.group(em=True, n=wristFKCtl.crv + '_spaceTgt') abRT.snapToPosition(handCtl, fkOffsetWristTgt) mc.parent(fkOffsetWristTgt, wristFKCtl.crv) mc.setAttr(fkOffsetWristTgt + '.t', 0, 0, 0) pCons = mc.parentConstraint(handCtl, fkOffsetWristTgt, blendGrp)[0] wal = mc.parentConstraint(pCons, q=True, wal=True) # connect blend for fkOffset (together with elbow) mc.addAttr(pvCtl, ln='elbowFkOffsetViz', at='double', dv=0, min=0, max=1, k=True) mc.connectAttr(pvCtl + '.elbowFkOffsetViz', wristFKCtl.crv + '.v', f=True) rev = mc.createNode('reverse', n=pvCtl + '_elbowFkOffsetViz_rev') mc.connectAttr(pvCtl + '.elbowFkOffsetViz', rev + '.inputX', f=True) mc.connectAttr(rev + '.outputX', pCons + '.' + wal[0], f=True) mc.connectAttr(pvCtl + '.elbowFkOffsetViz', pCons + '.' + wal[1], f=True) mc.parentConstraint(wristFKCtl.crv, fkOffsetJnts[1], mo=True) # final rotation & position for wristOffset
def buildSpineRig(hipMP, headMP, cogCtl, masterCtl): ''' Set up motion system for the spine rig Return: (spineDrvCrv, spineTwistCrv) ''' #=========================================================================== # CREATE CONTROLS #=========================================================================== # hip hipCtl = cs.ctlCurve('CT_hip_ctl', 'cube', 1, colorId=22, snap=hipMP, ctlOffsets=['space']) mc.setAttr(hipCtl.crv + '.s', 0.3, 1, 1) mc.makeIdentity(hipCtl.crv, a=True, s=True) # spine-shaper spineCtl = cs.ctlCurve('CT_spine_ctl', 'circle', 0, colorId=22, size=18, ctlOffsets=['point', 'orient']) # head headCtl = cs.ctlCurve('CT_head_ctl', 'cube', 1, colorId=22, snap=headMP, ctlOffsets=['space']) mc.setAttr(headCtl.crv + '.s', 0.3, 1, 1) mc.makeIdentity(headCtl.crv, a=True, s=True) # group controls nicely ctrlGrp = mc.group(hipCtl.home, spineCtl.home, headCtl.home, n='CT_control_grp_0') #=========================================================================== # CREATE DEBUG GRP - to toggle visibility of "under-the-hood" stuff #=========================================================================== debugGrp = mc.group(em=True, n='CT_debug_grp') abRT.hideAttr(debugGrp, ['tx', 'ty', 'tz', 'sx', 'sy', 'sz', 'rx', 'ry', 'rz', 'v']) #=========================================================================== # ADD TANGENT LOCS #=========================================================================== hipTangentMP = ms.addTangentMPTo(hipCtl.crv, headCtl.crv, 'x', default=0.1, reverse=False) headTangentMP = ms.addTangentMPTo(headCtl.crv, hipCtl.crv, 'x', default=0.5, reverse=True) #=========================================================================== # ADD MID POINT for spine-shaper control #=========================================================================== midMP = ms.addMidMP(hipTangentMP, headTangentMP, hipCtl.crv, headCtl.crv, (1, 0, 0), (0, 1, 0), 'CT_spineMid_mPt') spineCrvs, spineMPs = ms.createSplineMPs( (hipCtl.crv, hipTangentMP, spineCtl.crv, headTangentMP, headCtl.crv), 12, 'CT_spine', (0, 5, 0)) #=========================================================================== # add SQUASH AND STRETCH to spineMPs #=========================================================================== stretchAmts = {} for eachMP in spineMPs: stretchAmts[eachMP] = 1.5 ms.addVolume(spineCrvs[0], stretchAmts) #=========================================================================== # SPACE SWITCHING #=========================================================================== # space switching for hipCtl hipAlignTgt = mc.group(em=True, n='CT_hip_alignTarget') abRT.snapToPosition(hipCtl.crv, hipAlignTgt) cogOffsetLoc = rt.makeOffsetLoc(cogCtl, hipAlignTgt) masterOffsetLoc = rt.makeOffsetLoc(masterCtl, hipAlignTgt) rt.spaceSwitchSetup((cogOffsetLoc, masterOffsetLoc), hipAlignTgt, hipCtl.crv, 'orientConstraint', ('COG', 'Master')) hipSpaceTgt = mc.group(em=True, n='CT_hip_spaceTarget') abRT.snapToPosition(hipCtl.crv, hipSpaceTgt) rt.spaceSwitchSetup((cogOffsetLoc, masterOffsetLoc), hipSpaceTgt, hipCtl.crv, 'parentConstraint', ('COG', 'Master')) mc.pointConstraint(hipSpaceTgt, hipAlignTgt, mo=True) mc.parentConstraint(hipAlignTgt, hipCtl.grp['space'], mo=True) # space switching for headCtl headAlignTgt = mc.group(em=True, n='CT_head_alignTarget') abRT.snapToPosition(headCtl.crv, headAlignTgt) cogOffsetLoc = rt.makeOffsetLoc(cogCtl, headAlignTgt) masterOffsetLoc = rt.makeOffsetLoc(masterCtl, headAlignTgt) rt.spaceSwitchSetup((hipCtl.crv, cogOffsetLoc, masterOffsetLoc), headAlignTgt, headCtl.crv, 'orientConstraint', ('Hip', 'COG', 'Master')) headSpaceTgt = mc.group(em=True, n='CT_head_spaceTarget') abRT.snapToPosition(headCtl.crv, headSpaceTgt) rt.spaceSwitchSetup((hipCtl.crv, cogOffsetLoc, masterOffsetLoc), headSpaceTgt, headCtl.crv, 'parentConstraint', ('Hip', 'COG', 'Master')) mc.pointConstraint(headSpaceTgt, headAlignTgt, mo=True) mc.parentConstraint(headAlignTgt, headCtl.grp['space'], mo=True) # group space groups nicely spaceGrp = mc.group(hipAlignTgt, hipSpaceTgt, headAlignTgt, headSpaceTgt, n='CT_spaceSwitching_grp') # space for spineCtl mc.parentConstraint(midMP, spineCtl.space) #=========================================================================== # DRIVE ORIGINAL MPS (to drive the rest of the upper body) #=========================================================================== mc.parentConstraint(hipCtl.crv, hipMP) mc.parentConstraint(headCtl.crv, headMP)
def createWireOffsetCtl(nodeName, dfmGeo, attachGeo=None, ctlNum=1, size=1, addGrp=1, form=0): ''' attachGeo [string] - plug of mesh to attach controls to e.g. 'abc_wireOffset_wireDfm.outputGeometry[0]' or 'skinCluster1.outputGeometry[0]' ''' #=========================================================================== # DRIVER SYSTEM #=========================================================================== # check whether selection is edge or vertex firstSel = mc.ls(os=True)[0] if '.vtx' in firstSel: # vertex drvSys, drvLocs = createPtDriverSys(nodeName, attachGeo=attachGeo) elif '.e' in firstSel: # edge print 'form: %s' % form drvSys, drvLocs = createCrvDriverSys(nodeName, ctlNum, attachGeo=attachGeo, form=form) else: # invalid selection mc.error('invalid selection: %s' % firstSel) return 0 #=========================================================================== # CONTROL SYSTEM #=========================================================================== ctlSys, ctls = createCtlSys(nodeName, drvLocs) #=========================================================================== # DEFORMATION SYSTEM #=========================================================================== dfmSys = createDfmSys(nodeName, drvLocs, ctls, dfmGeo) #=========================================================================== # MASTER NODE #=========================================================================== masterGrp = mc.group(em=True, n=nodeName+'_wireOffset_mod') mc.parent(ctlSys, dfmSys, drvSys, masterGrp) # add a unique attribute to find it easily mc.addAttr(masterGrp, ln='lsWireOffsetNode', at='bool') # hide unnecessary attrs abRT.hideAttr(masterGrp, ['tx', 'ty', 'tz', 'rx', 'ry', 'rz', 'sx', 'sy', 'sz', 'v']) # add attributes for customization mc.addAttr(masterGrp, ln='enabled', at='bool', dv=True, k=True) mc.addAttr(masterGrp, ln='ctlVis', at='bool', dv=True, k=True) mc.addAttr(masterGrp, ln='envelope', at='double', dv=1, min=0, max=1, k=True) mc.addAttr(masterGrp, ln='dropoff', at='double', dv=5, min=0, k=True) mc.addAttr(masterGrp, ln='rotation', at='double', dv=0, min=0, max=1, k=True) mc.connectAttr(masterGrp+'.ctlVis', ctlSys+'.ctlVis', f=True) mc.connectAttr(masterGrp+'.envelope', dfmSys+'.envelope', f=True) mc.connectAttr(masterGrp+'.dropoff', dfmSys+'.dropoff', f=True) mc.connectAttr(masterGrp+'.rotation', dfmSys+'.rotation', f=True) # "enabled" attribute is more tricky # first, we'll hide everything mc.connectAttr(masterGrp+'.enabled', masterGrp+'.v', f=True) # to speed things up, we'll also disable the drvSys and dfmSys mc.connectAttr(masterGrp+'.enabled', drvSys+'.enabled', f=True) mc.connectAttr(masterGrp+'.enabled', dfmSys+'.enabled', f=True) mc.select(masterGrp, r=True) return masterGrp
def buildSpineRig(hipMP, headMP, cogCtl, masterCtl): ''' Set up motion system for the spine rig Return: (spineDrvCrv, spineTwistCrv) ''' #=========================================================================== # CREATE CONTROLS #=========================================================================== # hip hipCtl = cs.ctlCurve('CT_hip_ctl', 'cube', 1, colorId=22, snap=hipMP, ctlOffsets=['space']) mc.setAttr(hipCtl.crv + '.s', 0.3, 1, 1) mc.makeIdentity(hipCtl.crv, a=True, s=True) # spine-shaper spineCtl = cs.ctlCurve('CT_spine_ctl', 'circle', 0, colorId=22, size=18, ctlOffsets=['point', 'orient']) # head headCtl = cs.ctlCurve('CT_head_ctl', 'cube', 1, colorId=22, snap=headMP, ctlOffsets=['space']) mc.setAttr(headCtl.crv + '.s', 0.3, 1, 1) mc.makeIdentity(headCtl.crv, a=True, s=True) # group controls nicely ctrlGrp = mc.group(hipCtl.home, spineCtl.home, headCtl.home, n='CT_control_grp_0') #=========================================================================== # CREATE DEBUG GRP - to toggle visibility of "under-the-hood" stuff #=========================================================================== debugGrp = mc.group(em=True, n='CT_debug_grp') abRT.hideAttr(debugGrp, ['tx', 'ty', 'tz', 'sx', 'sy', 'sz', 'rx', 'ry', 'rz', 'v']) #=========================================================================== # ADD TANGENT LOCS #=========================================================================== hipTangentMP = ms.addTangentMPTo(hipCtl.crv, headCtl.crv, 'x', default=0.1, reverse=False) headTangentMP = ms.addTangentMPTo(headCtl.crv, hipCtl.crv, 'x', default=0.5, reverse=True) #=========================================================================== # ADD MID POINT for spine-shaper control #=========================================================================== midMP = ms.addMidMP(hipTangentMP, headTangentMP, hipCtl.crv, headCtl.crv, (1,0,0), (0,1,0), 'CT_spineMid_mPt') spineCrvs, spineMPs = ms.createSplineMPs((hipCtl.crv, hipTangentMP, spineCtl.crv, headTangentMP, headCtl.crv), 12, 'CT_spine', (0,5,0)) #=========================================================================== # add SQUASH AND STRETCH to spineMPs #=========================================================================== stretchAmts = {} for eachMP in spineMPs: stretchAmts[eachMP] = 1.5 ms.addVolume(spineCrvs[0], stretchAmts) #=========================================================================== # SPACE SWITCHING #=========================================================================== # space switching for hipCtl hipAlignTgt = mc.group(em=True, n='CT_hip_alignTarget') abRT.snapToPosition(hipCtl.crv, hipAlignTgt) cogOffsetLoc = rt.makeOffsetLoc(cogCtl, hipAlignTgt) masterOffsetLoc = rt.makeOffsetLoc(masterCtl, hipAlignTgt) rt.spaceSwitchSetup((cogOffsetLoc, masterOffsetLoc), hipAlignTgt, hipCtl.crv, 'orientConstraint', ('COG', 'Master')) hipSpaceTgt = mc.group(em=True, n='CT_hip_spaceTarget') abRT.snapToPosition(hipCtl.crv, hipSpaceTgt) rt.spaceSwitchSetup((cogOffsetLoc, masterOffsetLoc), hipSpaceTgt, hipCtl.crv, 'parentConstraint', ('COG', 'Master')) mc.pointConstraint(hipSpaceTgt, hipAlignTgt, mo=True) mc.parentConstraint(hipAlignTgt, hipCtl.grp['space'], mo=True) # space switching for headCtl headAlignTgt = mc.group(em=True, n='CT_head_alignTarget') abRT.snapToPosition(headCtl.crv, headAlignTgt) cogOffsetLoc = rt.makeOffsetLoc(cogCtl, headAlignTgt) masterOffsetLoc = rt.makeOffsetLoc(masterCtl, headAlignTgt) rt.spaceSwitchSetup((hipCtl.crv, cogOffsetLoc, masterOffsetLoc), headAlignTgt, headCtl.crv, 'orientConstraint', ('Hip', 'COG', 'Master')) headSpaceTgt = mc.group(em=True, n='CT_head_spaceTarget') abRT.snapToPosition(headCtl.crv, headSpaceTgt) rt.spaceSwitchSetup((hipCtl.crv, cogOffsetLoc, masterOffsetLoc), headSpaceTgt, headCtl.crv, 'parentConstraint', ('Hip', 'COG', 'Master')) mc.pointConstraint(headSpaceTgt, headAlignTgt, mo=True) mc.parentConstraint(headAlignTgt, headCtl.grp['space'], mo=True) # group space groups nicely spaceGrp = mc.group(hipAlignTgt, hipSpaceTgt, headAlignTgt, headSpaceTgt, n='CT_spaceSwitching_grp') # space for spineCtl mc.parentConstraint(midMP, spineCtl.space) #=========================================================================== # DRIVE ORIGINAL MPS (to drive the rest of the upper body) #=========================================================================== mc.parentConstraint(hipCtl.crv, hipMP) mc.parentConstraint(headCtl.crv, headMP)