点击屏幕，关闭弹框

Posted 2022-12-06 天涯过客TYGK

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

public class AutoClosePanel : MonoBehaviour 
    public RectTransform rectTransform;
    public Camera uiCamera;
    
     Update is called once per frame
    void Update()
    
#if UNITY_EDITOR
        if (Input.GetMouseButtonDown(0))
        
            CheckClose(Input.mousePosition);
        
#else
        if (Input.touchCount > 0) 
            for (int i = 0; i < Input.touchCount; i++)
            
                CheckClose(Input.GetTouch(i).position);
            
        
#endif
    

    void Close()
	
        this.gameObject.SetActive(false);
	

    void Show() 
        this.gameObject.SetActive(true);
    

    void CheckClose(Vector3 clickPosition) 
        if (IsClickPanelOutsid(clickPosition))
        
            Debug.Log("click out side");
            Close();
        
        else 
            Debug.Log("click inside side");
        
    

    bool IsClickPanelOutsid(Vector3 clickPosition)
    
       Vector3 clickWorldPos = uiCamera.ScreenToWorldPoint(clickPosition);
        Vector3[] cornerArray = new Vector3[4];// 左下，左上，右上，右下
        this.rectTransform.GetWorldCorners(cornerArray);
        Debug.Log("clickWorldPos:"+clickWorldPos);
        for (int i = 0; i < cornerArray.Length; i++)
        
            Debug.Log("cornerArray:" + cornerArray[i]);
        
            //Vector3 leftBottomPosition = uiCamera.WorldToScreenPoint(cornerArray[0]);
            //Vector3 rightTopPosition = uiCamera.WorldToScreenPoint(cornerArray[2]);
            //Debug.Log("leftBotomPoint:"+leftBottomPosition);
            //Debug.Log("rightTopPoint"+rightTopPosition);
            //Debug.Log("clickPosition:"+clickPosition);
        float minX = cornerArray[0].x;
        float minY = cornerArray[0].y;
        float maxX = cornerArray[2].x;
        float maxY = cornerArray[2].y;
        if (clickWorldPos.x > minX && clickWorldPos.y>minY && clickWorldPos.x < maxX && clickWorldPos.y < maxY)
        
            return false;
        
        return true;