using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
public class isonui : MonoBehaviour
{
    
    // Update is called once per frame
    void Update()
    {
        //移动端
        if (Application.platform == RuntimePlatform.Android ||
                    Application.platform == RuntimePlatform.IPhonePlayer)
        {
            if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Began)
            {
                if (IsPointerOverGameObject(Input.GetTouch(0).position))
                {
                    Debug.Log("点击到UI");
                }
            }
        }
        //其它平台
        else
        {
            if (Input.GetMouseButtonDown(0))
            {
                if (IsPointerOverGameObject(Input.mousePosition))
                {
                    Debug.Log("点击到UI");
                }
            }
        }
    }
    /// <summary>
    /// 检测是否点击UI
    /// </summary>
    /// <param name="mousePosition"></param>
    /// <returns></returns>
    private bool IsPointerOverGameObject(Vector2 mousePosition)
    {
        //创建一个点击事件
        PointerEventData eventData = new PointerEventData(EventSystem.current);
        eventData.position = mousePosition;
        List<RaycastResult> raycastResults = new List<RaycastResult>();
        //向点击位置发射一条射线，检测是否点击UI
        EventSystem.current.RaycastAll(eventData, raycastResults);
        if (raycastResults.Count > 0)
        {
            return true;
        }
        else
        {
            return false;
        }
    }
}