117 lines
3.0 KiB
C#
117 lines
3.0 KiB
C#
using F3Device.Screen;
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using QFramework;
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using QFramework.Example;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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public class UIImageDrag_JiHe : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
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{
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RectTransform rect;
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Canvas canvas; // 用于坐标转换
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List<RaycastResult> raycastResults;
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public GameObject target;
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public Vector3 originPos;
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bool isOverTarget = false; // 是否在目标物体上结束拖拽
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bool isRight = false; // 是否放置正确
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void Awake()
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{
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rect = GetComponent<RectTransform>();
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canvas = GetComponentInParent<Canvas>();
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originPos = rect.anchoredPosition;
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raycastResults = new List<RaycastResult>();
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}
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// 只有在放置不正确时才允许开始拖拽
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public void OnBeginDrag(PointerEventData eventData)
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{
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if (!isRight)
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{
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// 确保拖拽时物体在最上层
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transform.SetAsLastSibling();
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}
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else
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{
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// 阻止事件继续传播
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eventData.Use();
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}
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}
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// 只有在放置不正确时才允许拖拽
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public void OnDrag(PointerEventData eventData)
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{
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if (!isRight)
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{
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rect.transform.position = Input.mousePosition;
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}
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}
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// 只有在放置不正确时才处理拖拽结束事件
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public void OnEndDrag(PointerEventData eventData)
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{
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if (isRight) return;
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var uiPanel = UIKit.GetPanel<UIImageSelectMap_JiHe>();
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if (uiPanel == null)
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{
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rect.anchoredPosition = originPos;
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return;
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}
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string targetObjName = uiPanel.Data.TargetObj;
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raycastResults.Clear();
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EventSystem.current.RaycastAll(eventData, raycastResults);
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target = null;
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foreach (var result in raycastResults)
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{
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if (result.gameObject.name == targetObjName)
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{
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target = result.gameObject;
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break;
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}
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}
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if (target != null)
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{
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var frame = target.transform.Find("Frame").gameObject;
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frame.GetComponent<Image>().color = Color.green;
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rect.parent = frame.gameObject.transform;
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rect.anchoredPosition =new Vector2(-15, 45);
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rect.sizeDelta = new Vector2(176.3376f, 142.2313f);
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isRight = true;
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Debug.Log("放置正确，禁用拖拽");
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// 禁用射线检测，防止再次被拖拽
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GraphicRaycaster graphicRaycaster = GetComponent<GraphicRaycaster>();
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if (graphicRaycaster != null)
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{
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graphicRaycaster.enabled = false;
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}
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// 或者禁用Image组件的raycastTarget
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Image image = GetComponent<Image>();
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if (image != null)
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{
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image.raycastTarget = false;
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}
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// 通知UI面板操作成功
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// uiPanel.OnDragSuccess();
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}
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else
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{
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rect.anchoredPosition = originPos;
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}
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isOverTarget = false;
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target = null;
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}
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} |