def getJointChain(_topJoint):
error.assertType(_topJoint, ["", u''])
error.assertMayaType(_topJoint, "joint")
jointList = cmds.listRelatives(_topJoint, ad=True, type="joint")
jointList.append(_topJoint)
jointList.reverse()
return jointList
def aimWrist(self, _fkWrist, _blendControlAttrs):
error.assertType(_fkWrist, ["", u''])
error.assertList(_blendControlAttrs, ["", u''])
assert len(_blendControlAttrs) == 2, "_blendControls must contain two elements"
# Make sure wrist is aimed right
# create fix control that always aims as fk should.
# this is used to help blend between ik and fk
if (self.m_rigWrist):
group = cmds.group(n="%s_wrist_blendFix_GRP" %(self.m_name), em=True)
cmds.parent(group, self.m_group)
rc.orientControl(group, self.m_wristCtrl)
cmds.pointConstraint(self.m_joints.m_wrist, group, mo=1)
# Create up locator
wristAimFix = cmds.spaceLocator(n="%s_wristAimFix_LOC" %(self.m_name))[0]
rc.addToLayer(self.m_sceneData, "hidden", wristAimFix)
cmds.parent(wristAimFix, self.m_joints.m_elbow2, r=1)
aimOffset = 1
if self.m_isMirrored:
aimOffset *= -1
cmds.setAttr("%s.t%s" %(wristAimFix, self.m_twistAxis), aimOffset)
aim = cmds.aimConstraint(
self.m_joints.m_elbow2,
group,
worldUpType = "object",
worldUpObject = wristAimFix,
mo = True
)[0]
orient = cmds.orientConstraint(
_fkWrist,
"%s_SDK" %(self.m_wristCtrl),
mo= True
)[0]
orient = cmds.orientConstraint(
group,
"%s_SDK" %(self.m_wristCtrl),
mo= True
)[0]
cmds.setAttr("%s.interpType" %(orient), 2)
cmds.connectAttr(
_blendControlAttrs[0],
"%s.%sW0" %(orient, _fkWrist)
)
cmds.connectAttr(
_blendControlAttrs[1],
"%s.%sW1" %(orient, group)
)
