VirtualFramework/Assets/Scripts/UI/UIImageSelectMap_JiHe/UIImageDrag_JiHe.cs

using F3Device.Screen;
using QFramework;
using QFramework.Example;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

public class UIImageDrag_JiHe : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
{
    RectTransform rect;
    Canvas canvas; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>

    List<RaycastResult> raycastResults;
    public GameObject target;
    public Vector3 originPos;
    bool isOverTarget = false; // <20>Ƿ<EFBFBD><C7B7><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͻ<EFBFBD><CFBD><EFBFBD><EFBFBD><EFBFBD>ק
    bool isRight = false; // <20>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ

    void Awake()
    {
        rect = GetComponent<RectTransform>();
        canvas = GetComponentInParent<Canvas>();
        originPos = rect.anchoredPosition;
        raycastResults = new List<RaycastResult>();
    }

    // ֻ<><D6BB><EFBFBD>ڷ<EFBFBD><DAB7>ò<EFBFBD><C3B2><EFBFBD>ȷʱ<C8B7><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>ק
    public void OnBeginDrag(PointerEventData eventData)
    {
        if (!isRight)
        {
            // ȷ<><C8B7><EFBFBD><EFBFBD>קʱ<D7A7><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD>
            transform.SetAsLastSibling();
        }
        else
        {
            // <20><>ֹ<EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            eventData.Use();
        }
    }

    // ֻ<><D6BB><EFBFBD>ڷ<EFBFBD><DAB7>ò<EFBFBD><C3B2><EFBFBD>ȷʱ<C8B7><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ק
    public void OnDrag(PointerEventData eventData)
    {
        if (!isRight)
        {
            rect.transform.position = Input.mousePosition;
        }
    }

    // ֻ<><D6BB><EFBFBD>ڷ<EFBFBD><DAB7>ò<EFBFBD><C3B2><EFBFBD>ȷʱ<C8B7>Ŵ<EFBFBD><C5B4><EFBFBD><EFBFBD><EFBFBD>ק<EFBFBD><D7A7><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>
    public void OnEndDrag(PointerEventData eventData)
    {
        if (isRight) return;

        var uiPanel = UIKit.GetPanel<UIImageSelectMap_JiHe>();
        if (uiPanel == null)
        {
            rect.anchoredPosition = originPos;
            return;
        }

        string targetObjName = uiPanel.Data.TargetObj;

        raycastResults.Clear();
        EventSystem.current.RaycastAll(eventData, raycastResults);

        target = null;
        foreach (var result in raycastResults)
        {
            if (result.gameObject.name == targetObjName)
            {
                target = result.gameObject;
                break;
            }
        }

        if (target != null)
        {
            var frame = target.transform.Find("Frame").gameObject;
            frame.GetComponent<Image>().color = Color.green;



            rect.parent = frame.gameObject.transform;
            rect.anchoredPosition =new Vector2(-15, 45);
            rect.sizeDelta = new Vector2(176.3376f, 142.2313f);
            isRight = true;
            Debug.Log("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ק");

            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><DFBC>⣬<EFBFBD><E2A3AC>ֹ<EFBFBD>ٴα<D9B4><CEB1><EFBFBD>ק
            GraphicRaycaster graphicRaycaster = GetComponent<GraphicRaycaster>();
            if (graphicRaycaster != null)
            {
                graphicRaycaster.enabled = false;
            }

            // <20><><EFBFBD>߽<EFBFBD><DFBD><EFBFBD>Image<67><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD>raycastTarget
            Image image = GetComponent<Image>();
            if (image != null)
            {
                image.raycastTarget = false;
            }

            // ֪ͨUI<55><49><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD>
           // uiPanel.OnDragSuccess();
        }
        else
        {
            rect.anchoredPosition = originPos;
        }

        isOverTarget = false;
        target = null;
    }
}