UI位置跟随3D物体

淡淡的烟草味﹌ 2022-05-08 03:52 192阅读 0赞

/************************************************************
      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;
        }
      
    }

![70][]

prefabNameSprite预制体 就是 一个摆设底板加文字

[70]: /images/20220508/be4ee7df4df24a2e84d3f786594972c4.png