Unity 点击双击连击长按 事件检测(支持PC和移动端)

Posted 2022-03-25 DaLiangChen

InputDefine 类：（公共变量、常量、枚举、事件）定义

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

public class InputDefine 

    /// <summary>两次点击的时间间隔</summary>
    public const float DOUBLE_CLICK_RATE = 0.3f;
    /// <summary>连续按住0.5s后判定为长按</summary>
    public const float LONG_PRESS_SCALE = 0.5f;


    /// <summary>判断是否点击在UI上面</summary>
    public static bool IsTouchUI()
    
        if (UnityEngine.EventSystems.EventSystem.current == null) return false;

        if (Application.platform == RuntimePlatform.android || Application.platform == RuntimePlatform.IPhonePlayer)
        
            if (Input.touchCount < 1) return false;
            if (UnityEngine.EventSystems.EventSystem.current.IsPointerOverGameObject(Input.GetTouch(0).fingerId)) return true;
        
        else
        
            if (UnityEngine.EventSystems.EventSystem.current.IsPointerOverGameObject()) return true;
        

        return false;
    



/// <summary>输入事件类型</summary>
public enum EnumInputEventType

    /// <summary>没有事件</summary>
    None,
    /// <summary>单击</summary>
    Click,
    /// <summary>双击</summary>
    DoubleClick,
    /// <summary>滑动</summary>
    //Slide,
    /// <summary>长按</summary>
    LongPress,


/// <summary>
/// 输入事件
/// </summary>
/// <param name="isTouchUI">是否触摸到UI</param>
/// <param name="keyCode">(PC端)0表示左键，1表示右键，2表示中键</param>
/// <param name="enumInputEventType">输入事件类型</param>
public delegate void DelInputEvent(bool isTouchUI, int keyCode, EnumInputEventType enumInputEventType);


/// <summary>
/// 鼠标点击
/// </summary>
/// <param name="isTouchUI">是否触摸到UI</param>
/// <param name="keyCode">(PC端)0表示左键，1表示右键，2表示中键</param>
/// <param name="clickCount">连续点次数</param>
public delegate void DelClickEvent(bool isTouchUI, int keyCode, Vector2 clickPs, int clickCount);

MouseEvent 类：鼠标事件(PC端)

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

/// <summary>鼠标事件</summary>
public class MouseEvent : MonoBehaviour

    public DelInputEvent onInputEventChange;
    public DelClickEvent onClickEvent;

    private MouseParam[] mouseParams = new MouseParam[]  new MouseParam(), new MouseParam(), new MouseParam() ;

    private void Update()
    
        addMouseInputEventTypeJudge();
    

    /// <summary>添加</summary>
    private void addMouseInputEventTypeJudge()
    
        for(int i=0;i< mouseParams.Length;i++)
        
            mouseInputEventTypeJudge(i);
        
    

    /// <summary>鼠标左键输入事件判定</summary>
    private void mouseInputEventTypeJudge(int mouseKeyCode)
    
        //鼠标按下
        if (Input.GetMouseButtonDown(mouseKeyCode))
        
            mouseParams[mouseKeyCode].startTime = Time.realtimeSinceStartup;
        

        //鼠标按住
        if (Input.GetMouseButton(mouseKeyCode))
        
            mouseParams[mouseKeyCode].holdTime = Time.realtimeSinceStartup - mouseParams[mouseKeyCode].startTime;
            if (mouseParams[mouseKeyCode].holdTime >= InputDefine.LONG_PRESS_SCALE)
            
                if (onInputEventChange != null) onInputEventChange(InputDefine.IsTouchUI(),mouseKeyCode,EnumInputEventType.LongPress);
            
        

        //鼠标抬起
        if (Input.GetMouseButtonUp(mouseKeyCode))
        
            if (mouseParams[mouseKeyCode].holdTime >= InputDefine.LONG_PRESS_SCALE) return;

            if (onInputEventChange != null) onInputEventChange(InputDefine.IsTouchUI(), mouseKeyCode,EnumInputEventType.Click);

            mouseParams[mouseKeyCode].t2 = Time.realtimeSinceStartup;
            if (mouseParams[mouseKeyCode].t2 - mouseParams[mouseKeyCode].t1 < InputDefine.DOUBLE_CLICK_RATE)
            
                //Debug.Log(mouseKeyCode + ":双击!");

                mouseParams[mouseKeyCode].clickCount++;
                if (onInputEventChange != null) onInputEventChange(InputDefine.IsTouchUI(), mouseKeyCode,EnumInputEventType.DoubleClick);
            
            else
            
                mouseParams[mouseKeyCode].clickCount = 1;
            

            mouseParams[mouseKeyCode].t1 = mouseParams[mouseKeyCode].t2;

            if (onClickEvent != null) onClickEvent(InputDefine.IsTouchUI(), mouseKeyCode,Input.mousePosition, mouseParams[mouseKeyCode].clickCount);
        
    

    public struct MouseParam
    
        public float startTime;
        public float holdTime;
        public float t1;
        public float t2;
        public int clickCount;
    

TouchEvent 类：触摸事件（移动端）

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

/// <summary>触摸事件</summary>
public class TouchEvent : MonoBehaviour

    public DelClickEvent onClickEvent;
    private void Update()
    
        if (Input.touchCount > 0)
        
            for (int i = 0; i < Input.touchCount; i++)
            
                Touch touch = Input.GetTouch(i);

                if (touch.phase == TouchPhase.Began)
                
                    if (onClickEvent != null) onClickEvent(InputDefine.IsTouchUI(), i, touch.position, touch.tapCount);
                    //Debug.Log(i + "---" + "touch.tapCount:" + touch.tapCount+ "---touch.position:"+ touch.position);