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SplineRig.py
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SplineRig.py
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import maya.cmds as cmds
# vtools
from vtool.maya_lib import rigs
'''
splineIK setup
Create joint chain and save it in structure
'''
class splineIK():
def __init__(self,
name='node',
side='C',
startJointChain='JNT_ribbon_14_C',
numberOfCtrls = 5,
curve = False,
controlSize = 1,
parentTo=None,
scaleOrTranslate = 'scale',
axisDirection='X',
rotateControl = {'z':0},
):
'''
FUNCTION: SplineRig.splineIK()
DESCRIPTION: adds a SplineRig on a joint chain, with strechky function, turn on off
USAGE: must create a joint chain
splineIK(name='node', side='C', startJointChain='JNT_ribbon_14_C',
numberOfCtrls = 5, controlSize = 1, parentTo=None)
RETURN: SplineRig
AUTHOR: Tony K Song
DATE: 02/07/19
Version 1.0.0
@todo
VControl replacement
:type rotateControl: the ordation axis and then rotation degrees Ex.{"r":45}
:type rotateControl: the ordation axis and then rotation degrees
'''
self.name=name
self.side=side
self.startJointChain=startJointChain
self.parentTo=parentTo
self.controlSize=controlSize
self.numberOfCtrls = numberOfCtrls + 1
self.axisDirection = axisDirection
self.curve = curve
self.scaleOrTranslate = scaleOrTranslate.lower()
self.rotateControl = rotateControl
# Var
self.clustName = None
self.colour = 22
self.control_size = process.get_option('Control Size', 'Setup.Controls')
self.ikh = None
self.crvName = None
self.effector = None
self.lastChild = cmds.listRelatives(startJointChain, ad=True)[0]
self.jntClusGrp = []
# procs
self.__create()
def __adjGrp(self):
myParent = cmds.listRelatives(self.clustName, p=True)
posGroup = cmds.group(empty=True, name="pos_" + self.clustName)
if myParent != None: cmds.parent(posGroup, myParent)
orient = cmds.orientConstraint(self.clustName, posGroup)
point = cmds.pointConstraint(self.clustName, posGroup)
cmds.delete(orient, point)
adjGroup = cmds.group(empty=True, name="adj_" + self.clustName)
orient = cmds.orientConstraint(self.clustName, adjGroup)
point = cmds.pointConstraint(self.clustName, adjGroup)
cmds.delete(orient, point)
sdkGroup = cmds.group(empty=True, name="sdk_" + self.clustName)
orient = cmds.orientConstraint(self.clustName, sdkGroup)
point = cmds.pointConstraint(self.clustName, sdkGroup)
cmds.delete(orient, point)
cmds.parent(self.clustName, sdkGroup)
cmds.parent(sdkGroup, adjGroup)
cmds.parent(adjGroup, posGroup)
cmds.select(cl=True)
# Make spline IK
def __initialSetup(self):
# get last name string of the chain
self.ikh = cmds.ikHandle(sj=self.startJointChain, ee=self.lastChild,
sol='ikSplineSolver', scv=False, pcv=False,
n='self.ikh_{0}Spline_01_{1}'.format(self.name, self.side))
# Rebuild curve with desired cv count
self.crvName = cmds.rebuildCurve(self.ikh[2], rpo=1, rt=0, end=1,
kr=0, kcp=0, kep=1, kt=0,
s=self.numberOfCtrls - 2, d=3, tol=0.01)
self.effector = cmds.rename('effector1', '{0}_{1}_effector'.format(self.side, self.name))
# cluster setup
num = 1
numLst = ['0:1']
numLst.extend(range(2, self.numberOfCtrls-1))
numLst.append('{0}:{1}'.format(str(self.numberOfCtrls - 1), str(self.numberOfCtrls)))
for cv in numLst:
clus = cmds.cluster('{0}.cv[{1}]'.format(self.ikh[2], str(cv)))
# if first two points
if cv == '0:1':
# find the first point position on curve
startPnt = cmds.xform(self.ikh[2] + '.cv[0]', q=True, t=True)
# positioned the cluster to the Start point
cmds.xform(clus, piv=(startPnt))
# if last two points
if cv == '{0}:{1}'.format(str(self.numberOfCtrls - 1), str(self.numberOfCtrls)):
# find the end point position on curve
endPnt = cmds.xform('{0}.cv[{1}]'.format(self.ikh[2], str(self.numberOfCtrls)), q=True, t=True)
# positioned the cluster to the End point
cmds.xform(clus, piv=(endPnt))
self.clustName = cmds.rename(clus[1], 'cls_{0}_{1}_{2}'.format(self.name, str(num), self.side))
self.__adjGrp()
num += 1
# creating joints to replace cluster as base
jntNames = cmds.joint(name= 'jnt_cluster{0}_{1}_{2}'.format(self.name, str(num-1), self.side))
self.jntClusGrp.append(jntNames)
# rotate for control
if self.rotateControl:
cmds.setAttr(jntNames+'.r'+self.rotateControl.keys()[0], self.rotateControl.values()[0])
# find the cluster position
bah=cmds.parentConstraint(self.clustName, jntNames, sr=['x','y','z'])
cmds.delete(bah)
cmds.parentConstraint(jntNames, self.clustName, sr=['x','y','z'],mo=True)
def __createControls(self):
# create controls
if self.side == "C":
colour = 22
else:
colour = 13 if self.side == 'R' else 6
# Make controls
rig = rigs.FkRig(self.name, self.side)
# posCls = []
# for ii in range(1, self.numberOfCtrls):
# posCls.append('pos_cls_{0}_{1}_{2}'.format(self.name,str(ii),self.side))
rig.set_joints(self.jntClusGrp)
rig.set_control_shape('circleDoubleNub')
rig.set_control_color(colour)
rig.set_control_size(self.control_size + self.controlSize)
#if self.matchToRotation:
rig.set_match_to_rotation(True)
rig.set_create_sub_controls(True)
rig.set_sub_control_shape('cube')
rig.set_sub_control_size(self.control_size/2)
rig.set_sub_control_color(16)
rig.set_hide_sub_translates(False)
rig.set_sub_visibility(True)
rig.create()
rig.delete_setup()
def __cleanUp(self):
# Re-sort controls to free up subs
upperName = self.name.upper()
count = 1
for i in range(1, self.numberOfCtrls - 1):
cmds.parent('xform_CNT_{0}_{1}_{2}'.format(upperName, str(1 + count), self.side),
'CNT_{0}_{1}_{2}'.format(upperName, str(count), self.side)
)
count += 1
# Remove unwanted extra sub
cmds.delete('cls_'+self.name+'_*_'+self.side+'_parentConstraint1',
'CNT_SUB_'+upperName+'_SUB_*_'+self.side,
)
# parentConst on cluster group
for i in range(1, self.numberOfCtrls, 1):
cmds.parentConstraint('CNT_SUB_'+upperName+'_' + str(i) + '_'+self.side,
'pos_cls_'+self.name+'_' + str(i) + '_'+self.side, mo=True)
# Clean scene
ikGr = cmds.group(self.ikh[0], self.ikh[2], n='IKH_'+self.name+'_gr_'+self.side)
cmds.rename(self.ikh[2], 'crv_'+self.name+'IkSpline_01_'+self.side)
clsGr = cmds.group('pos_cls_'+self.name+'_*', n='cls_'+self.name+'_gr_'+self.side, em=True)
cmds.parent('pos_cls_'+self.name+'_*', clsGr)
tailGr = cmds.group(ikGr, clsGr, n='setup_'+self.name+'_'+self.side)
cmds.parent(tailGr, 'setup')
# for Joint on cluster
cmds.group(self.jntClusGrp, name='clusterJoint_{0}_gr_{1}'.format(self.name, self.side), parent=tailGr)
# Lock rotate on mid sub cnts
for i in range(2, self.numberOfCtrls, 1):
for axis in ['x', 'y', 'z']:
cmds.setAttr('CNT_SUB_{0}_{1}_{2}.r{3}'.format(upperName, str(i), self.side, axis), lock=True, k=False, cb=False)
# scaling attrs structure to cluster grp
# bufferClustGRP = cmds.group(n='{0}_buffer_{1}_cluster_grp'.format(self.side, self.name), em=True)
# cmds.parent(clsGr, bufferClustGRP)
for axis in ['x', 'y', 'z']:
cmds.connectAttr("structure.s%s"% axis, clsGr+'.s%s'%axis)
#cmds.hide(self.jntClusGrp)
cmds.delete(self.jntClusGrp)
# parent to
if self.parentTo:
cmds.parent('controls_' + self.name + '_1_' + self.side, self.parentTo)
# this is to fix the odd twisting when parenting to the same shit
jntGrp = cmds.group(self.startJointChain, p='setup',
name="{0}_{1}JointChain_GRP".format(self.side, self.name),
)
cmds.parentConstraint(self.parentTo, jntGrp, mo = True)
jntGrpBuff = cmds.group(jntGrp, name="{0}_Buffer_{1}JointChain_GRP".format(self.side, self.name), )
for i in 'XYZ':
cmds.connectAttr('CNT_GOD.globalScale', '{0}.scale{1}'.format(jntGrpBuff, i))
def __createStretchy(self):
# arclen -|
# |->multiDiv-> multiDiv-> blendColour -> to all joints Scale or Translate
# globalScale -|
# arclen/scale crv
arcLenName = cmds.arclen(self.crvName, ch=True, name="%s_IKHandleCrvInfo" % self.side)
# multiDivCrv
multiDivCrv = cmds.shadingNode('multiplyDivide', asUtility=True,
name='{0}_{1}_crvScale_multiDiv'.format(self.side, self.name)
)
cmds.setAttr('%s.operation' % multiDivCrv, 2) #2 divided
arcLenNum = cmds.getAttr('%s.arcLength' % arcLenName)
#cmds.setAttr('%s.input2X' % multiDivCrv, arcLenNum)
cmds.connectAttr('%s.arcLength' %arcLenName, '%s.input1X' % multiDivCrv)
cmds.connectAttr('CNT_GOD.globalScale', '%s.input2X' % multiDivCrv)
# multiDivStable
multiDivStable = cmds.shadingNode('multiplyDivide', asUtility=True,
name='{0}_{1}_stable_multiDiv'.format(self.side, self.name)
)
cmds.setAttr('%s.input2X' % multiDivStable, arcLenNum)
cmds.setAttr('%s.operation' % multiDivStable, 2) #2 divided
cmds.connectAttr('%s.outputX' % multiDivCrv, '%s.input1X' % multiDivStable)
# create Switch
# blendColour
blendColor = cmds.shadingNode('blendColors', asUtility=True,
name='{0}_{1}_blendColors'.format(self.side, self.name)
)
cmds.setAttr('%s.color2R' % blendColor, 1)
cmds.connectAttr('%s.outputX' % multiDivStable, '%s.color1R' % blendColor)
controlOne = 'CNT_{0}_1_{1}'.format(self.name.upper(), self.side)
cmds.addAttr(controlOne, ln="Stretchy", at='double', min=0, max=1, dv=1, keyable=True)
cmds.connectAttr('%s.Stretchy' % controlOne, '%s.blender' % blendColor)
# remove other strings in the jointChain List
chainLst = cmds.listRelatives(self.startJointChain, ad=True)
for removes in [self.lastChild, self.effector]:
chainLst.remove(removes)
chainLst.append(self.startJointChain)
if self.axisDirection:
axis = self.axisDirection.upper()
allAxis = ['X', 'Y', 'Z']
allAxis.remove(axis)
if self.scaleOrTranslate == 'scale':
# cmds.setAttr('%s.input2X' % multiDivStable, arcLenNum) # for scale
for lst in chainLst:
cmds.connectAttr('%s.outputR' % blendColor, '{0}.scale{1}'.format(lst,axis))
# # global Switch
# for i in allAxis:
# cmds.connectAttr('CNT_GOD.globalScale', '{0}.scale{1}'.format(lst, i))
elif self.scaleOrTranslate == 'translate':
# get the joint translate number on joint
midJnt = cmds.listRelatives(self.startJointChain, ad=True)[len(self.lastChild)/2]
transAxisNum = cmds.getAttr('{0}.t{1}'.format(midJnt, axis.lower()))
cmds.setAttr('%s.input2X' % multiDivStable, arcLenNum / transAxisNum)
for lst in chainLst:
cmds.connectAttr('%s.outputR' % blendColor, '{0}.translate{1}'.format(lst,axis))
else:
print ("please specify a string. 'scale' or 'translate'")
else:
print "add in one of the following axis, 'X' 'Y' 'Z', direction depends on the chain axis "
def __create(self):
self. __initialSetup()
self.__createControls()
self.__createStretchy()
self.__cleanUp()
# ---- TODO Add Twist ----
#### sub middle control setup ####
for nbr in range(1,30):
cmds.parent('jnt_strapTwist_{0}_C'.format(nbr), 'jnt_strap_{0}_C'.format(nbr))
# number of joints
start, end = 1, 29
allOdd = []
allEven = []
# iterating each number in list
for num in range(start, end + 1):
# checking condition
if num % 2 != 1:
allEven.append(num)
else:
allOdd.append(num)
for odd, even in zip(allOdd, allEven):
# create plusMinusAverage Translate
PMA_Translate = cmds.shadingNode('plusMinusAverage', asUtility=True,
name='PMA_Twist_Translate_{0}'.format(odd))
# attr connect
cmds.connectAttr(PMA_Translate + '.output3D', 'jnt_strapTwist_{0}_C.translate'.format(even))
# create plusMinusAverage Rotate
PMA_Rotate = cmds.shadingNode('plusMinusAverage', asUtility=True,
name='PMA_Twist_Rotate_{0}'.format(odd))
# attr connect
cmds.connectAttr(PMA_Rotate+'.output1D', 'jnt_strapTwist_{0}_C.rx'.format(even))
for i in [PMA_Translate, PMA_Rotate]:
cmds.setAttr(i+'.operation', 3)
cmds.connectAttr('jnt_strapTwist_{0}_C.t'.format(odd), PMA_Translate + '.input3D[0]')
cmds.connectAttr('jnt_strapTwist_{0}_C.rx'.format(odd), PMA_Rotate + '.input1D[0]')
# MAKE THE OTHER CONNNECTION WORK.
cmds.connectAttr('jnt_strapTwist_{0}_C.t'.format(odd+2), PMA_Translate + '.input3D[1]')
cmds.connectAttr('jnt_strapTwist_{0}_C.rx'.format(odd+2), PMA_Rotate + '.input1D[1]')
for item in allOdd:
rig = rigs.FkRig('sub_strapTwist', 'C')
rig.set_joints('jnt_strapTwist_%s_C' % item)
rig.set_control_size(1)
rig.set_control_shape('square')
# rig.set_control_color(14)
rig.set_match_to_rotation(True)
rig.set_control_parent('CNT_SUB_MAIN_SUB_1_C')
rig.create()
rig.delete_setup()
# # setup
for odd, nbr in zip(allOdd, range(1, 30)):
cmds.parentConstraint('jnt_strap_{0}_C'.format(odd),
'driver_CNT_SUB_STRAPTWIST_{0}_C'.format(nbr),
mo=True)
# # End of twist strap
#if hide
for num in range(1,8):
cmds.setAttr ("CNT_STRAP_{0}_CShape.v".format(num), 0)