1. 在场景中添加事件系统

unity 点击3D物体-LMLPHP2. 为主相机添加射线检测

unity 点击3D物体-LMLPHP

3. 为物体挂载以下脚本,物体必须带碰撞体

unity 点击3D物体-LMLPHP

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;


// 挂在物体上,需要添加碰撞体
public class DoorAction :  MonoBehaviour, IPointerDownHandler
{
    // Start is called before the first frame update
    void Start()
    {

    }

    // Update is called once per frame
    void Update()
    {
        
    }

     public void OnPointerClick(PointerEventData eventData)
    {
    	//你要触发的代码
        print("xxx");
    }
    
	//当检测到鼠标在该物体上有“按下”操作时,触发以下函数
    public void OnPointerDown(PointerEventData eventData)
    {
    	//你要触发的代码
         print("xxx");
    }

}
11-01 18:42