拖拽松开飞走触发按钮（飞屏按钮）

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using DG.Tweening;public class FlyBtnScript : MonoBehaviour
{/// <summary>/// 拖拽时按钮最大位移距离/// </summary>[Tooltip(" 拖拽时按钮最大位移距离")]public float MaxDragPosition = 500;/// <summary>/// 放开时最小起可飞距离/// </summary>[Tooltip(" 放开时最小起可飞距离")]public float CanFlyDistance = 300;/// <summary>/// 按钮起飞后触发距离/// </summary>[Tooltip(" 按钮起飞后触发距离")]public float Bnt_TakeEffectDistance = 2000;public String Msg;[HideInInspector]public Button Btn;[HideInInspector]public EventTrigger eventTrigger;[HideInInspector]public Vector3 AwakePoint;[HideInInspector]public Vector3 StartPoint;[HideInInspector]public Vector3 EndPoint;[HideInInspector]public bool IsDown;[HideInInspector]public bool CanMove;private void Awake(){//AwakePoint = transform.position;AwakePoint = new Vector3(0.0F, 1.0F, 90.0F);print(AwakePoint);}// Start is called before the first frame updatevoid Start(){Btn = transform.GetComponent<Button>();eventTrigger = transform.GetComponent<EventTrigger>();if (eventTrigger == null){eventTrigger = gameObject.AddComponent<EventTrigger>();}AddPointerEvent(eventTrigger, EventTriggerType.PointerDown, PointDown);AddPointerEvent(eventTrigger, EventTriggerType.PointerEnter, PointerEnter);AddPointerEvent(eventTrigger, EventTriggerType.PointerUp, PointUp);}private void PointerEnter(BaseEventData arg0){}private void PointUp(BaseEventData arg0){print("transform.localPosition.y:" + transform.localPosition.y);if (transform.localPosition.y > CanFlyDistance){Debug.Log("PointUp:" + transform.name);EndPoint =Input.mousePosition;float D = (EndPoint - StartPoint).magnitude;//print(D);if (D > 200){CanMove = true;}else{print("D "+D);transform.DOMove(AwakePoint, 0.5f);}}else{transform.DOMove(AwakePoint, 0.5f);}IsDown = false;}private Vector3 distance;private void PointDown(BaseEventData arg0){//Debug.Log("PointDown" + transform.name);StartPoint = Input.mousePosition;distance = transform.localPosition - Input.mousePosition;IsDown = true;}// Update is called once per framevoid Update(){if (IsDown){if (Vector3.Distance(Input.mousePosition, StartPoint)> MaxDragPosition){//print(Vector3.Distance(Input.mousePosition, StartPoint));Vector3 point = ((Input.mousePosition - AwakePoint)) + AwakePoint;transform.localPosition = point+distance;}else{Vector3 mousePositionOnScreen = Input.mousePosition + distance;transform.localPosition = mousePositionOnScreen;}}if (CanMove){//print("CanMove");transform.Translate((EndPoint - StartPoint).normalized*10);if ((transform.position - AwakePoint).magnitude > Bnt_TakeEffectDistance){//print()Invok();CanMove = false;//transform.localPosition = AwakePoint;}}}public void Invok(){//print("触发");SendNetWorkMessage.Instance.SocketSendMessage(Msg);MessageManager1.Instance.SendMsgToOtherScreen(Msg);PageManager.Instance.ShowOnePage(2);Page2Script.Instance.ShowOneTittle(transform.GetSiblingIndex());}/// <summary>/// 为EventTrigger注册事件/// </summary>/// <param name="eventTrigger">需要添加事件的EventTrigger</param>/// <param name="eventTriggerType">事件类型</param>/// <param name="callback">回调函数</param>void AddPointerEvent(EventTrigger eventTrigger, EventTriggerType eventTriggerType, UnityEngine.Events.UnityAction<BaseEventData> callback){EventTrigger.Entry entry = new EventTrigger.Entry();entry.eventID = eventTriggerType;entry.callback = new EventTrigger.TriggerEvent();entry.callback.AddListener(callback);eventTrigger.triggers.Add(entry);//Debug.Log("AddPointerEnterEvent");}
}

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拖拽松开飞走触发按钮（飞屏按钮）

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