unity中的双击按钮检测和长按按钮的检测

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前言

今天使用UGUI的知识来实现一下按钮的双击和按钮长按的检测

其实我们的思路就是每次按下检测按下时间如果长按时间超过某一特定的值
那么我们判定长按

至于双击的检测我们是当第一次按下之后抬起开始计时在特定值之前我们如果检测到按下第二次
我们判定双击按钮

using UnityEngine;
using UnityEngine.Events;
using UnityEngine.EventSystems;
public class ButtonExtension : MonoBehaviour, IPointerClickHandler, IPointerDownHandler, IPointerUpHandler, IPointerExitHandler
    public float pressDurationTime = 1;
    public bool responseOnceByPress = false;
    public float doubleClickIntervalTime = 0.5f;
    public UnityEvent onDoubleClick;
    public UnityEvent onPress;
    public UnityEvent onClick;
    private bool isDown = false;
    private bool isPress = false;
    private float downTime = 0;
    private float clickIntervalTime = 0;
    private int clickTimes = 0;
    void Update()
        if (isDown)
            if (responseOnceByPress && isPress)
                return;
            downTime += Time.deltaTime;
            if (downTime > pressDurationTime)
                isPress = true;
                onPress.Invoke();
        if (clickTimes >= 1)
            clickIntervalTime += Time.deltaTime;
            if (clickIntervalTime >= doubleClickIntervalTime)
                if (clickTimes >= 2)
                    onDoubleClick.Invoke();
                    onClick.Invoke();
                clickTimes = 0;
                clickIntervalTime = 0;
    public void OnPointerDown(PointerEventData eventData)//鼠标按下
        isDown = true;
        downTime = 0;
    public void OnPointerUp(PointerEventData eventData)//鼠标抬起
        isDown = false;
    public void OnPointerExit(PointerEventData eventData)//指针出去
        isDown = false;
        isPress = false;
    public void OnPointerClick(PointerEventData eventData)//按键按下时调用
        if (!isPress)
            //onClick.Invoke();
            clickTimes += 1;
            isPress = false;
}

上边是按钮的类之后我们还要一个触发的脚本

using UnityEngine;
public class Test : MonoBehaviour
    ButtonExtension btn;
    void Start()
        btn = GetComponent<ButtonExtension>();
        btn.onClick.AddListener(Click);
        btn.onPress.AddListener(Press);
        btn.onDoubleClick.AddListener(DoubleClick);
    void Click()
        Debug.Log("单击");
    void Press()
        Debug.Log("按压");