GunSystem/Assets/Script/Menu/ItemButton.cs

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

public class ItemButton : MonoBehaviour,IPointerDownHandler,IPointerUpHandler {
    //商城道具按钮
    public Button self_;
    //位置
    public Transform outside_;
    public Transform target_;
    //原来的列表位置
    public Transform initial_;
    //public Transform selfTransform_;
    //用来获取光标位置
    public GameObject iconObj;
    private bool ischosed = false;
    private bool isOwn = false;
    //横向范围界定
    public float LimitLine;

    //按下按钮
    public void OnPointerDown(PointerEventData eventData)
    {
        self_.transform.SetParent(outside_);
        ischosed = true;
    }

    //抬起按钮
    public void OnPointerUp(PointerEventData eventData)
    {
        print(self_.transform.localPosition.x);
        if (self_.transform.localPosition.x < -LimitLine)
        {
            self_.transform.SetParent(target_);
            self_.transform.localPosition = new Vector3(0f, 0f, 0f);
            ischosed = false;
        }
        else {
            self_.transform.SetParent(initial_);
            self_.transform.localPosition = new Vector3(0f, 0f, 0f);
            ischosed = false;
        }
        
    }

    private void Update()
    {
        if (ischosed) {
            self_.transform.position = iconObj.transform.position;
        }
    }
}