snapToClosestPointOnMesh / Maya

snapToClosestPointOnMesh.py

#最近点にスナップ
#tgtObj=スナップ元のオブジェ、vtxList=スナップ対象の頂点リスト

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

def snapToClosestPointOnMesh(tgtObj,vtxList):
	tgtObjShape = pm.PyNode(tgtObj).getShapes()
	tmpCpNode = cmds.createNode( 'closestPointOnMesh', ss=True )
	
	cmds.connectAttr( tgtObjShape[0]+'.worldMesh[0]', 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)
		
#usage
#vtxs = cmds.ls(sl=True,flatten=True)
#snapToClosestPointOnMesh("pSphere1", vtxs)