mycj_demo/mycj/Assets/Script/cardcaozuo.cs

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

public class cardcaozuo : MonoBehaviour,IBeginDragHandler,IDragHandler,IEndDragHandler
{
    [Header("<22><>һ<EFBFBD><D2BB>canvas")]
    public Canvas canvas;
    [Header("<22><>ʾ<EFBFBD><CABE>image")]
    public Image cardIconImage;
    [Header("<22><>Ӧ<EFBFBD><D3A6>sprite")]
    public Sprite cardicon;
    [Header("Ŀ<><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>")]
    public string targetTag;
    private Transform recordParent;//<2F><>¼<EFBFBD><C2BC><EFBFBD>ڵ<EFBFBD>
    private SpriteAniation spriteAniation;
    // Start is called before the first frame update
    void Start()
    {
        this.cardIconImage.sprite = cardicon;
        spriteAniation = GetComponent<SpriteAniation>();
        spriteAniation.enabled = false;
    }

    // <20><>ק<EFBFBD><D7A7>ʼ
    public void OnBeginDrag(PointerEventData eventData)
    {
       
        this.recordParent = this.transform.parent;

        this.transform.SetParent(canvas.transform);
        //throw new System.NotImplementedException();
    }
    // <20><>ק<EFBFBD><D7A7>
    public void OnDrag(PointerEventData eventData)
    {
        this.transform.position = Input.mousePosition;
    }
    // <20><>ק<EFBFBD><D7A7><EFBFBD><EFBFBD>
    public void OnEndDrag(PointerEventData eventData)
    {
        // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD>Ŀ<EFBFBD><C4BF>
        List<RaycastResult> results = new List<RaycastResult>();
        EventSystem.current.RaycastAll(eventData, results);

        foreach (var result in results)
        {
            if (result.gameObject.CompareTag(targetTag)) // <20><><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD>Ƿ<EFBFBD>ΪĿ<CEAA><C4BF><EFBFBD><EFBFBD>
            {
                Debug.Log("<22>ɹ<EFBFBD><C9B9><EFBFBD><EFBFBD>õ<EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
                transform.SetParent(result.gameObject.transform); // <20><><EFBFBD><EFBFBD>ΪĿ<CEAA><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
                transform.localPosition = Vector3.zero; // <20><><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
                this.enabled = false;//<2F><><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD>

                spriteAniation.enabled = true;
                return;
            }
        }

        // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD>򣬷<EFBFBD><F2A3ACB7><EFBFBD>ԭʼ<D4AD><CABC><EFBFBD>ڵ<EFBFBD>
        Debug.Log("δ<><CEB4><EFBFBD>õ<EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD>򣬷<EFBFBD><F2A3ACB7><EFBFBD>ԭλ<D4AD><CEBB>");
        transform.SetParent(recordParent);
        transform.localPosition = Vector3.zero; // <20><><EFBFBD>õ<EFBFBD>ԭʼλ<CABC><CEBB>
    }
}