Python cmds.createNode函数代码示例

def aimObjectConnect( targets ):
    
    for i in range( len( targets ) -1 ):
        
        first  = targets[i]
        second = targets[i+1]
        
        grp = cmds.createNode( 'transform', n=second+'_aimObj_GRP' )
        trg = cmds.createNode( 'transform', n=second+'_aimObj' )
        cmds.parent( trg, grp )
        constraint( first, grp )
        
        localMtx = cmds.createNode( 'multMatrixDecompose', n=second+'_localMtx' )
        fbfMtx   = cmds.createNode( 'fourByFourMatrix',    n=second+'_fbfMtx' )
        shdOrt   = cmds.createNode( 'shoulderOrient',      n=second+'_shdOrt' )
        
        cmds.connectAttr( second+'.wm', localMtx+'.i[0]' )
        cmds.connectAttr( first+'.wim', localMtx+'.i[1]' )
        cmds.connectAttr( localMtx+'.otx', fbfMtx+'.i00' )
        cmds.connectAttr( localMtx+'.oty', fbfMtx+'.i01' )
        cmds.connectAttr( localMtx+'.otz', fbfMtx+'.i02' )
        cmds.connectAttr( fbfMtx+'.output', shdOrt+'.inputMatrix' )
        cmds.connectAttr( shdOrt+'.outAngleX', trg+'.rx' )
        cmds.connectAttr( shdOrt+'.outAngleY', trg+'.ry' )
        cmds.connectAttr( shdOrt+'.outAngleZ', trg+'.rz' )

def createSplineCurveInfo( curve, number, **options ):
    
    crvShape = cmds.listRelatives( curve, s=1 )
    if not crvShape: return None
    crvShape = crvShape[0]
    
    splineNode = cmds.createNode( 'splineCurveInfo', n=curve+'_spline' )
    cmds.connectAttr( crvShape+'.local', splineNode+'.inputCurve' )
    
    if number <= 1:
        return None
    elif number > 1:
        eachRate = 1.0/(number-1)
        for i in range( number ):
            cmds.setAttr( splineNode+'.parameter[%d]' % i, eachRate*i+0.001 )
            
    for i in range( number-1 ):
        trNode = cmds.createNode( 'transform' )
        cmds.connectAttr( splineNode+'.output[%d].position' % i, trNode+'.t' )
        cmds.connectAttr( splineNode+'.output[%d].rotate' % i, trNode+'.r' )
        cmds.parent( trNode, curve )
        cmds.setAttr( trNode+'.dh', 1 )
        cmds.setAttr( trNode+'.dla', 1 )
    
    return splineNode

    def create_line_from_2_obj(self, obja, objb, crv_name='_curve_CRV'):
        '''
        Desc:
        Make a line between 2 objects

        Parameter:
        crv_name = name of curve
        pta = first object
        ptb = second object

        Return: Curve name
        '''

        # Define generic curve
        curve=cmds.curve(d=1, p=[(0,0,0),(0,0,0)], k=[0,1], n=crv_name)
        cmds.setAttr(curve+'.overrideEnabled',1)
        cmds.setAttr(curve+'.overrideColor', 13)

        # Making connection in worldSpace using decomposeMatrix
        dMa=cmds.createNode('decomposeMatrix', n='_DMAT')
        dMb=cmds.createNode('decomposeMatrix', n='_DMAT')

        # Connect control worldMatrix to decomposeMatrix.inputMatrix
        KstMaya.node_op(obja+'.worldMatrix','>>', dMa+'.inputMatrix')
        KstMaya.node_op(dMa+'.outputTranslate','>>',curve+'.controlPoints[0]')
        KstMaya.node_op(objb+'.worldMatrix','>>', dMb+'.inputMatrix')
        KstMaya.node_op(dMb+'.outputTranslate','>>',curve+'.controlPoints[1]')
        return curve

 def neckMiddleCtlSet(self):
     self.neckMiddleCtl = rigbase.Controler( n='NeckMiddle_CTL' )
     self.neckMiddleCtl.setShape( normal=[0,1,0], radius = .5 )
     self.neckMiddleCtl.setColor( 29 )
     
     self.middlePoint1 = rigbase.Transform( n='NeckMiddle_spline_Point1' )
     self.middlePoint2 = rigbase.Transform( n='NeckMiddle_spline_Point2' )
     
     self.middlePoint1.setParent( self.neckMiddleCtl )
     self.middlePoint2.setParent( self.neckMiddleCtl )
     rigbase.transformDefault( self.middlePoint1, self.middlePoint2 )
     
     midPnt1Dist= cmds.createNode( 'distanceBetween', n='NeckMiddle_spPnt1_dist' )
     midPnt2Dist = cmds.createNode( 'distanceBetween', n='NeckMiddle_spPnt2_dist' )
     midMult1Dist = cmds.createNode( 'multDoubleLinear', n='NeckMiddle_md1' )
     midMult2Dist = cmds.createNode( 'multDoubleLinear', n='NeckMiddle_md2' )
     
     cmds.setAttr( midMult1Dist+'.input2', -.4 )
     cmds.setAttr( midMult2Dist+'.input2', .4 )
     
     cmds.connectAttr( self.neckMiddleInit+'.m', midPnt1Dist+'.inMatrix1' )
     cmds.connectAttr( self.headInit+'.m',       midPnt2Dist+'.inMatrix2' )
     cmds.connectAttr( midPnt1Dist+'.distance', midMult1Dist+'.input1' )
     cmds.connectAttr( midPnt2Dist+'.distance', midMult2Dist+'.input1' )
     cmds.connectAttr( midMult1Dist+'.output', self.middlePoint1+'.ty' )
     cmds.connectAttr( midMult2Dist+'.output', self.middlePoint2+'.ty' )
     
     attrEdit = rigbase.AttrEdit( self.neckMiddleCtl.name )
     attrEdit.lockAndHideAttrs( 'sx','sy','sz','v' )
     
     self.rigInstance.neckMiddleCtl = self.neckMiddleCtl.name

def perform(**kwargs):
	sel = cmds.ls(sl=True)
	sel3=[]
	for s in sel:
	    sel3+=cmds.xform(s,q=True, ws=True, t=True)
	pointset=[]
	for i in xrange(len(sel3)/3):
	    pointset+=[Vector(sel3[i*3],sel3[i*3+1],sel3[i*3+2])]
	bbox = BBox()
	bbox.obbFromPointSet(pointset)
	t = Transform(bbox.axis[0],bbox.axis[1],bbox.axis[2])
	t = t.transpose()
	z = t.getEuler()
	cube = cmds.createNode("polyCube")
	cubeShape = cmds.createNode("mesh")
	cubeTrans = cmds.listRelatives(cubeShape,p=True)[0]
	cmds.connectAttr(cube+".output",cubeShape+".inMesh")
	cmds.setAttr(cubeTrans+".tx",bbox.center[0])
	cmds.setAttr(cubeTrans+".ty",bbox.center[1])
	cmds.setAttr(cubeTrans+".tz",bbox.center[2])
	cmds.setAttr(cubeTrans+".rz",degrees(z[2]))
	cmds.setAttr(cubeTrans+".ry",degrees(z[1]))
	cmds.setAttr(cubeTrans+".rx",degrees(z[0]))
	cmds.setAttr(cube+".width",bbox.max[0]-bbox.min[0])
	cmds.setAttr(cube+".height",bbox.max[1]-bbox.min[1])
	cmds.setAttr(cube+".depth",bbox.max[2]-bbox.min[2])
	cmds.sets(e=True,forceElement="initialShadingGroup")
	cmds.select(sel)

 def getRetargetNode_for( self, target ):
     
     retargetBlenderCons = cmds.listConnections( target, s=1, d=0, type='retargetBlender' )
     
     if not retargetBlenderCons:
         retargetBlender = cmds.createNode( 'retargetBlender', n= target+'_retargetBlender' )
         
         sourceName = target.replace( self._targetNS, self._sourceNS )
         retargetNode = cmds.createNode( 'retargetTransNode', n= sourceName+'_RTTrans' )
         
         self.blenderToControl( retargetBlender, target )
         
         if cmds.nodeType( target ) == 'joint':
             fnc.tryConnect( target+'.jo', retargetBlender+'.orient' )
         
         cmds.connectAttr( retargetNode+'.transMatrix', retargetBlender+'.input[0].transMatrix' )
     
     else:
         retargetBlender = retargetBlenderCons[0]
         fnc.clearArrayElement( retargetBlender+'.input' )
         cuIndex = fnc.getLastIndex( retargetBlender+'.input' )
         
         if cuIndex == -1: cuIndex = 0
         retargetTransCons = cmds.listConnections( retargetBlender+'.input[%d].transMatrix ' % cuIndex )
         
         if retargetTransCons: cuIndex += 1
         
         sourceName = target.replace( self._targetNS, self._sourceNS )
         retargetNode = cmds.createNode( 'retargetTransNode', n= sourceName+'_RTTrans' )
         
         cmds.connectAttr( retargetNode+'.transMatrix', retargetBlender+'.input[%d].transMatrix' % cuIndex )
     
     return retargetNode

def ik_stretch(ikhnd):
    '''

    '''
    jts = cmds.ikHandle(ikhnd, q=True, jl=True)
    cu_s = cmds.ikHandle(ikhnd, q=True, c=True)
    cu = cmds.listRelatives(cu_s, p=1)[0]
    cmds.addAttr(ikhnd, longName='ik_stretch', k=1, defaultValue=1.0, minValue=0.0, maxValue=1.)

    dcu = cmds.duplicate(cu, n=cu + '_base_scale')[0]
    dcu_s = cmds.listRelatives(dcu, c=1)[0]

    cf = cmds.createNode('curveInfo')
    dcf = cmds.createNode('curveInfo')
    bl = cmds.createNode('blendTwoAttr')
    md = cmds.createNode('multiplyDivide')

    cmds.connectAttr(cu_s + '.worldSpace', cf + '.inputCurve')
    cmds.connectAttr(dcu_s + '.worldSpace', dcf + '.inputCurve')
    cmds.connectAttr(dcf + '.arcLength', bl + '.input[0]')
    cmds.connectAttr(cf + '.arcLength', bl + '.input[1]')
    cmds.connectAttr(ikhnd + '.ik_stretch', bl + '.attributesBlender')
    cmds.connectAttr(bl + '.output', md + '.input1X')

    cmds.setAttr(md + '.input2X', cmds.getAttr(cf + '.arcLength'), l=1)
    cmds.setAttr(md + '.operation', 2)
    cmds.setAttr(dcu + '.v', 0)

    for j in jts:
        cmds.connectAttr(md + '.outputX', j + '.sx')

    return dcu

def addAngleDriverAttribute( sel ):
    
    import sgBFunction_attribute
    
    sgBFunction_attribute.addAttr( sel, ln='angleRate0', cb=1 )
    sgBFunction_attribute.addAttr( sel, ln='angleRate1', cb=1 )
    sgBFunction_attribute.addAttr( sel, ln='angleRate2', cb=1 )
    
    if cmds.listConnections( sel, s=1, d=0, type='angleDriver' ): return None
    
    selP = cmds.listRelatives( sel, p=1, f=1 )[0]
    selName = sel.split( '|' )[-1]
    targetDriver = cmds.createNode( 'angleDriver', n= 'angleDriver_' + selName )
    mm = cmds.createNode( 'multMatrix', n='mm_' + selName )
    base = cmds.createNode( 'transform', n= 'angleBase_' + selName )

    base = cmds.parent( base, selP )[0]

    cmds.xform( base, ws=1, matrix= cmds.getAttr( sel+'.wm' ) )
    
    cmds.connectAttr( sel+'.wm', mm+'.i[0]' )
    cmds.connectAttr( base+'.wim', mm+'.i[1]' )
    cmds.connectAttr( mm+'.matrixSum', targetDriver+'.angleMatrix' )
        
    
    sgBFunction_attribute.addAttr( sel, ln='angleRate0', cb=1 )
    sgBFunction_attribute.addAttr( sel, ln='angleRate1', cb=1 )
    sgBFunction_attribute.addAttr( sel, ln='angleRate2', cb=1 )
    if not cmds.isConnected( targetDriver+'.outDriver0', sel+'.angleRate0' ):
        cmds.connectAttr( targetDriver+'.outDriver0', sel+'.angleRate0' )
    if not cmds.isConnected( targetDriver+'.outDriver1', sel+'.angleRate1' ):
        cmds.connectAttr( targetDriver+'.outDriver1', sel+'.angleRate1' )
    if not cmds.isConnected( targetDriver+'.outDriver2', sel+'.angleRate2' ):
        cmds.connectAttr( targetDriver+'.outDriver2', sel+'.angleRate2' )

def addModification( meshObjs ):
    
    import sgBFunction_attribute
    import sgBFunction_dag
    
    meshObjs = sgBFunction_dag.getChildrenMeshExists( meshObjs )
    softMod = cmds.deformer( meshObjs, type='softMod' )[0]
    
    ctlGrp = cmds.createNode( 'transform' )
    cmds.setAttr( ctlGrp+'.dh', 1 )
    dcmp   = cmds.createNode( 'decomposeMatrix' )
    ctl = cmds.sphere()[0]
    ctl = cmds.parent( ctl, ctlGrp )[0]
    sgBFunction_attribute.addAttr( ctl, ln='__________', at='enum', enumName = ':Modify Attr', cb=1 )
    sgBFunction_attribute.addAttr( ctl, ln='falloffRadius', min=0, dv=1, k=1 )
    sgBFunction_attribute.addAttr( ctl, ln='envelope', min=0, max=1, dv=1, k=1 )
    
    cmds.connectAttr( ctlGrp+'.wim', softMod+'.bindPreMatrix' )
    cmds.connectAttr( ctlGrp+'.wm', softMod+'.preMatrix' )
    cmds.connectAttr( ctl+'.wm', softMod+'.matrix' )
    cmds.connectAttr( ctl+'.m',  softMod+'.weightedMatrix' )
    
    cmds.connectAttr( ctlGrp+'.wm', dcmp+'.imat' )
    
    cmds.connectAttr( dcmp+'.ot', softMod+'.falloffCenter' )
    for i in range( len( meshObjs ) ):
        cmds.connectAttr( meshObjs[i]+'.wm', softMod+'.geomMatrix[%d]' % i )
    
    cmds.connectAttr( ctl+'.envelope', softMod+'.envelope' )
    cmds.connectAttr( ctl+'.falloffRadius', softMod+'.falloffRadius' )
    
    cmds.xform( ctlGrp, ws=1, t=cmds.getAttr( meshObjs[0]+'.wm' )[-4:-1] )
    cmds.select( ctlGrp )

 def createAimObjectCmd( first, second, third, worldPosition=False ):
 
     aimObjectMatrix = cmds.createNode( 'aimObjectMatrix' )
     cmds.connectAttr( first+'.wm', aimObjectMatrix+'.targetMatrix' )
     cmds.connectAttr( second+'.wm', aimObjectMatrix+'.baseMatrix' )
     
     if third:
         aimObject = third
     else:
         aimObject = cmds.createNode( 'transform' )
     
     if cmds.nodeType( aimObject ) == 'joint':
         try: cmds.setAttr( aimObject+'.jo', 0,0,0 )
         except:pass
     cmds.connectAttr( aimObjectMatrix+'.outRotate', aimObject+'.r' )
     
     if not third: cmds.parent( aimObject, second )
     cmds.setAttr( aimObject+'.t', 0,0,0 )
     
     if worldPosition:
         cmds.setAttr( aimObjectMatrix+'.worldSpaceOutput', 1 )
         cmds.connectAttr( aimObject+'.pim', aimObjectMatrix+'.parentInverseMatrix' )
         cmds.connectAttr( aimObjectMatrix+'.outTranslate', aimObject+'.t' )
         cmds.parent( aimObject, w=1 )
     
     return aimObject, aimObjectMatrix

def getWristAngleNode( target, targetBase=None ):
    wristAngleCons = cmds.listConnections( target+'.m', s=0, d=1, type='wristAngle' )
    wristAngleNode = ''
    
    if not wristAngleCons:
        mmCons = cmds.listConnections( target+'.wm', s=0, d=1, type='multMatrix' )
        if mmCons:
            wristAngleCons = cmds.listConnections( mmCons[0]+'.o', s=0, d=1, type='wristAngle' )
            if wristAngleCons: wristAngleNode = wristAngleCons[0]
    else:
        wristAngleNode = wristAngleCons[0]
    
    if wristAngleNode: return wristAngleNode
    
    wa = cmds.createNode( 'wristAngle' )
    if not targetBase: 
        targetBase = cmds.listRelatives( target, p=1, f=1 )[0]
        cmds.connectAttr( target+'.m', wa+'.inputMatrix' )
    else:
        mm = cmds.createNode( 'multMatrix' )
        cmds.connectAttr( target+'.wm', mm+'.i[0]' )
        cmds.connectAttr( targetBase+'.wim', mm+'.i[1]' )
        cmds.connectAttr( mm+'.o', wa+'.inputMatrix' )
    
    cmds.select( wa )
    return wa

def followMatrixConnection( ctl, others ):
    
    import sgBFunction_attribute
    ctlP = cmds.listRelatives( ctl, p=1 )[0]
    
    followMatrix = cmds.createNode( 'followMatrix' )
    mmdc = cmds.createNode( 'multMatrixDecompose' )
    
    cmds.connectAttr( others[0]+'.wm', followMatrix+'.originalMatrix' )
    
    sgBFunction_attribute.addAttr( ctl, ln='_______', at='enum', en='Parent:', cb=1 )
    
    for other in others[1:]:
        i = others.index( other ) - 1
        cmds.connectAttr( other+'.wm', followMatrix+'.inputMatrix[%d]' % i )
        
        attrName = 'parent' + other.split( '_' )[-1]
        print other, attrName
        sgBFunction_attribute.addAttr( ctl, ln= attrName, min=0, max=10, k=1 )
        cmds.connectAttr( ctl+'.'+attrName, followMatrix+'.inputWeight[%d]' % i )
    
    cmds.connectAttr( followMatrix+'.outputMatrix', mmdc+'.i[0]' )
    cmds.connectAttr( ctlP+'.pim', mmdc+'.i[1]' )
    cmds.connectAttr( mmdc+'.ot', ctlP+'.t' )
    cmds.connectAttr( mmdc+'.or', ctlP+'.r' )

def createWorldBlendTwoMatrixObject( first, second, target = None ):
    
    import sgBFunction_attribute
    
    blMtx = cmds.createNode( 'blendTwoMatrix' )
    mmdc  = cmds.createNode( 'multMatrixDecompose' )
    cmds.connectAttr( first+'.wm', blMtx+'.inMatrix1' )
    cmds.connectAttr( second+'.wm', blMtx+'.inMatrix2' )
    cmds.connectAttr( blMtx+'.outMatrix', mmdc+'.i[0]' )
    
    if not target: target = cmds.createNode( 'transform' )
    cmds.connectAttr( target+'.pim', mmdc+'.i[1]' )
    
    sgBFunction_attribute.addAttr( target, ln='blend', min=0, max=1, dv=0.5, k=1 )
    cmds.connectAttr( target+'.blend', blMtx+'.attributeBlender' )
    
    if not cmds.isConnected( mmdc+'.ot', target+'.t' ):
        cmds.connectAttr( mmdc+'.ot', target+'.t', f=1 )
    if not cmds.isConnected( mmdc+'.or', target+'.r' ):
        cmds.connectAttr( mmdc+'.or', target+'.r', f=1 )
    if not cmds.isConnected( mmdc+'.os', target+'.s' ):
        cmds.connectAttr( mmdc+'.os', target+'.s', f=1 )
    if not cmds.isConnected( mmdc+'.osh', target+'.sh' ):
        cmds.connectAttr( mmdc+'.osh', target+'.sh', f=1 )
    
    cmds.select( blMtx, target )
    return blMtx, target

def chimaAddWingBsh() :
	# Add wing blend shapes to bird character
	cmd = 'file -import -type "mayaAscii" -rpr "geo_1" -options "v=0"  -pr -loadReferenceDepth "all" "Y:/USERS/Peck/projs/chimaWingFold/geo_1.ma";'
	mm.eval( cmd )

	mc.select( 'wingFoldLFT_bsh' , r=True )
	mc.select( 'wingFoldLFT_bsh' , add=True )
	cmd = 'blendShape -e  -t Eggbert_wings_geo 2 wingFoldLFT_bsh 1 -t Eggbert_wings_geo 3 wingFoldRGT_bsh 1 wings_bls;'
	mm.eval( cmd )


	rootCtrl = 'Pelvis_Ctrl'
	mc.addAttr( rootCtrl , ln='L_wingFoldB' , k=True , min=0 , max=10 )
	mc.addAttr( rootCtrl , ln='R_wingFoldB' , k=True , min=0 , max=10 )


	lMdv = mc.createNode( 'multDoubleLinear' , n='wingFoldBBshLFT_mdv' )

	mc.connectAttr( '%s.L_wingFoldB' % rootCtrl , '%s.i1' % lMdv )
	mc.setAttr( '%s.i2' % lMdv , 0.1 )
	mc.connectAttr( '%s.o' % lMdv , 'wings_bls.wingFoldLFT_bsh' )

	rMdv = mc.createNode( 'multDoubleLinear' , n='wingFoldBBshRGT_mdv' )

	mc.connectAttr( '%s.R_wingFoldB' % rootCtrl , '%s.i1' % rMdv )
	mc.setAttr( '%s.i2' % rMdv , 0.1 )
	mc.connectAttr( '%s.o' % rMdv , 'wings_bls.wingFoldRGT_bsh' )

	mc.delete( 'wingFold_bsh' )
	mc.delete( 'wingOrig_bsh' )
	mc.delete( 'wingFoldLFT_bsh' )
	mc.delete( 'wingFoldRGT_bsh' )

def pfxHairScaleConnect( ctl, hairSystemGrp ):
    
    hairSystems = cmds.listRelatives( hairSystemGrp, c=1, ad=1, type='hairSystem' )
    
    def getMultDoubleLinear( attr ):
        multNodes = cmds.listConnections( attr, type='multDoubleLinear', s=1, d=0 )
        if not multNodes:
            multNode = cmds.createNode( 'multDoubleLinear' )
            sgRigAttribute.addAttr( multNode, ln='clumpWidthMult', at='message' )
            attrValue = cmds.getAttr( attr )
            cmds.setAttr( multNode+'.input1', attrValue )
            cmds.connectAttr( multNode+'.output', attr )
            return multNode
        else:
            if not cmds.attributeQuery( 'clumpWidthMult', node=multNodes[0], ex=1 ):
                multNode = cmds.createNode( 'multDoubleLinear' )
                sgRigAttribute.addAttr( multNode, ln='clumpWidthMult', at='message' )
                attrValue = cmds.getAttr( attr )
                cmds.setAttr( multNode+'.input1', attrValue )
                cmds.connectAttr( multNode+'.output', attr )
                return multNode
            else:
                return multNodes[0]
                
    
    for hairSystem in hairSystems:
        dcmp = cmds.createNode( 'decomposeMatrix' )
        multNode = cmds.createNode( 'multDoubleLinear' )
        cmds.connectAttr( ctl+'.wm', dcmp+'.imat' )
        cmds.connectAttr( dcmp+'.osx', multNode+'.input1' )
        cmds.setAttr( multNode+'.input2', cmds.getAttr( hairSystem+'.clumpWidth' ) )
        cmds.connectAttr( multNode+'.output', hairSystem+'.clumpWidth' )