UI位置跟随3D物体

版权声明：记录上工作中的一些问题 https://blog.csdn.net/m0_37583098/article/details/82978842

/************************************************************
  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）
************************************************************/
using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using System.Collections.Generic;

public class ShowBendWoodName : MonoBehaviour
{
    private Vector3 namePosInScreen;
    public Vector3 namePosOffset;//标签偏移量
    public GameObject prefabNameSprite;//预制体
    public Transform nameLableFather;//标签父类
    private GameObject nameLable;
    // Use this for initialization
    void Start()
    {
        nameLable = Instantiate(prefabNameSprite, new Vector3(namePosInScreen.x, namePosInScreen.y, 0f), Quaternion.identity) as GameObject;
        nameLable.transform.SetParent(nameLableFather);
        nameLable.name = gameObject.name;
        nameLable.SetActive(false);
        nameLable.transform.FindChild("Text").GetComponent<Text>().text = gameObject.name;
    }
    void OnMouseEnter() {
        nameLable.SetActive(true);
        OverlayPosition();
    }
    void OnMouseExit()
    {
        nameLable.SetActive(false);

    }
    void OverlayPosition() {
        namePosInScreen = Camera.main.WorldToScreenPoint(gameObject.transform.position);
        nameLable.GetComponent<RectTransform>().position = new Vector3(namePosInScreen.x, namePosInScreen.y, 0f) + namePosOffset;
    }
  
}

prefabNameSprite预制体 就是 一个摆设底板加文字