unity双击

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

public class chuping : MonoBehaviour
{
    public Text LeftRightTips;          //左右划屏
    public Text UpDownTips;             //上下划屏
    public Text DoubleClickTips;        //双击


    private Vector2 DeltaArea;       //二维向量，滑屏区域

    private bool BoolSecondClick;           //是否为第二次点击
    private float FloFirstTime = 0f;          //第一次点击时间
    private float FloSecondTime = 0f;         //第二次点击时间

    // Use this for initialization
    void Start()
    {
        //初始化，测试数值
        DeltaArea = Vector2.zero;
    }

    // Update is called once per frame
    void Update()
    {
        Debug.Log("aaa");
        /* 手指离开屏幕 */
        //Input.touchCount是静态整形变量，当一只手指接触到屏幕时返回1，二只手指返回2，以此类推。
        if (Input.touchCount == 1 && (Input.GetTouch(0).phase == TouchPhase.Ended))
        {
            DeltaArea = Vector2.zero;
            //DoubleClickTips.text = "";          //如果手指离开屏幕，双击效果消失
        }

        /* 识别手指滑屏 */
        if (Input.touchCount == 1 && (Input.GetTouch(0).phase == TouchPhase.Moved))
        {
            DeltaArea.x += Input.GetTouch(0).deltaPosition.x;           //不断获取手指触屏时x,y轴的变化量并赋值给滑屏区域
            DeltaArea.y += Input.GetTouch(0).deltaPosition.y;
            if (DeltaArea.x > 150)
            {
                LeftRightTips.text = "右滑屏";
            }
            else if (DeltaArea.x < -150)
            {
                LeftRightTips.text = "左滑屏";
            }

            if (DeltaArea.y > 150)
            {
                UpDownTips.text = "上滑屏";

            }
            else if (DeltaArea.y < -150)
            {
                UpDownTips.text = "下滑屏";
            }
        }


        /* 手指双击识别*/
        if (Input.touchCount == 1 && (Input.GetTouch(0).phase == TouchPhase.Began))
        {
            FloSecondTime = Time.time;
            if (FloSecondTime - FloFirstTime > 0.02F && FloSecondTime - FloFirstTime < 0.3F)
            {//当第二次点击与第一次点击的时间间隔在0.02秒至0.3秒之间时
                DoubleClickTips.text = "双击了屏幕！";
            }
            else
            {
                DoubleClickTips.text = "单击了屏幕！";
            }
            FloFirstTime = Time.time;       //记录时间

        }

    }

}