TsRelaxVtxs.py

#選択頂点のリラックス

import pymel.core as pm
import maya.cmds as cmds

def TsRelaxVtxs():
	vtxs = cmds.ls(fl=True, sl=True)
	if len(vtxs) == 0:
		cmds.error("Please select some vertices.")
	else:
		if type( pm.selected(fl=1)[0] ) != pm.MeshVertex:
			cmds.error("selection is not vertices.")
		else:
			#get Obj Name
			obj = vtxs[0].split(".")[0]
			
			#Create Tgt Obj
			tgtObj = cmds.duplicate( obj, n=obj+"Tgt" )
			cmds.makeIdentity( tgtObj, apply=True, t=1, r=1, s=1 )

			#RelaxVtx cel
			cmds.polyAverageVertex( vtxs, i=1, ch=False )
			snapToClosestPointOnMesh( vtxs, tgtObj[0] )
			
			#clean
			cmds.delete( tgtObj )

def snapToClosestPointOnMesh( vtxList, tgtObj ):
	tgtObjShape = pm.PyNode(tgtObj).getShapes()
	tmpCpNode = cmds.createNode( 'closestPointOnMesh', ss=True )
	
	cmds.connectAttr( tgtObjShape[0]+'.outMesh', tmpCpNode+'.inMesh' )
	cmds.connectAttr( tgtObjShape[0]+'.worldMatrix[0]', tmpCpNode+'.inputMatrix' )
	
	for tmp in vtxList:
		tmpPos = cmds.pointPosition( tmp, w=True)
		cmds.setAttr(tmpCpNode+".inPosition", tmpPos[0],tmpPos[1],tmpPos[2])
		fixPos = cmds.getAttr(tmpCpNode+".result.position")
		cmds.xform( tmp, worldSpace=True, translation=fixPos[0])
		
	cmds.delete(tmpCpNode)
				
TsRelaxVtxs()