Unity3D中判断鼠标或者手指是否点击到UI【UGUI】_unity 手指点击到ui

这里使用UGUI系统自带的方法和射线检测的方式，判断是否点击到UI上：

第一种方法：

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
 
public class Manager : MonoBehaviour
{
    public Button quitButton;
 
    // Use this for initialization
    void Start()
    {
        quitButton.onClick.AddListener(OnQuitButtonClick);
    }
 
    // Update is called once per frame
    void Update()
    {
        //判断是否点击UI
        if (Input.GetMouseButtonDown(0) || (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Began))
        {
            //移动端
            if (Application.platform == RuntimePlatform.Android ||
                        Application.platform == RuntimePlatform.IPhonePlayer)
            {
                int fingerId = Input.GetTouch(0).fingerId;
                if (EventSystem.current.IsPointerOverGameObject(fing