UI位置根据3D物体调整

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   Copyright (C), 2007-2017,BJ Rainier Tech. Co., Ltd.
    
   FileName: RayCastHitControl.cs
    
   Author:    Version :1.0       Date: 2018/8/15
    
   Description:  鼠标进入物体显示标签名（UI位置随3D物体的位置）
    
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 using UnityEngine;
    
 using UnityEngine.UI;
    
 using System.Collections;
    
 using System.Collections.Generic;
    
  
    
 public class ShowBendWoodName : MonoBehaviour
    
 {
    
     private Vector3 namePosInScreen;
    
     public Vector3 na