using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System;public class Test : MonoBehaviour {private Test() { }private Vector3 startMouseDown;private Vector3 lastMouseDown;private float pressTimer;private bool isCounter;             //开始计数private bool isDrag;                //开始拖动private bool isLasting;             //开始持久点击public float pressTime;             //单击public float pressLastingTime;      //持久点击public float dragDistance;          //拖动大于多少才开始生效#region 事件public static Action<Vector3> StartPressEvent;public static Action<Vector3> EndPressEvent;public static Action<Vector3> StartDragEvent;public static Action<Vector3> EndDragEvent;public static Action<Vector3> StartLastingEvent;public static Action<Vector3> EndLastingEvent;#endregion#region 测试方法void Awake(){StartPressEvent += StartPress;EndPressEvent += EndPress;StartDragEvent += StartDrag;EndDragEvent += EndDrag;StartLastingEvent += StartLasting;EndLastingEvent += EndLasting;}private void StartPress(Vector3 v){Debug.Log("开始单击事件");}private void EndPress(Vector3 v){Debug.Log("结束单击事件");}private void StartDrag(Vector3 v){Debug.Log("开始拖动事件");}private void EndDrag(Vector3 v){Debug.Log("结束拖动事件");}private void StartLasting(Vector3 v){Debug.Log("开始持续点击事件");}private void EndLasting(Vector3 v){Debug.Log("结束持续点击事件");}#endregion// Update is called once per framevoid Update () {if (Input.GetMouseButtonDown(0)){isCounter = true;startMouseDown = Input.mousePosition;}if (Input.GetMouseButtonUp(0)){lastMouseDown = Input.mousePosition;isCounter = false;if (isDrag) {//拖动if (EndDragEvent != null) EndDragEvent(Input.mousePosition);isDrag = false;}else if (isLasting) {//持久点击if (EndLastingEvent != null) EndLastingEvent(Input.mousePosition);isLasting = false;}else {//单击if (EndPressEvent != null) EndPressEvent(Input.mousePosition);}}if (isCounter){//开始计数pressTimer += Time.deltaTime;}else {if (pressTimer > 0 && pressTimer < pressTime){Debug.Log("单击");if (StartPressEvent != null) StartPressEvent(Input.mousePosition);}pressTimer = 0f;}if (isCounter && Mathf.Abs(Vector3.Distance(startMouseDown, Input.mousePosition)) > dragDistance && isLasting == false){Debug.Log("正在拖动");isDrag = true;if (StartDragEvent != null) StartDragEvent(Input.mousePosition);//让人物跟谁手指的方向移动return;}if (isCounter && pressTimer > pressLastingTime && isDrag == false){Debug.Log("持久点击");isLasting = true;if (StartLastingEvent != null) StartLastingEvent(Input.mousePosition);//出现技能图标,然后滑动到技能哪里就可以触发技能return;}}}