From 5012e405ec09560fc01fcfe604ae614738de227b Mon Sep 17 00:00:00 2001
From: shenjianxing <”315615051@qq.com“>
Date: Wed, 19 Feb 2025 15:05:22 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0UI=E6=8B=96=E6=8B=BD=E7=BB=84?=
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---
 Assets/Scripts/Item/UIDragItem.cs | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/Assets/Scripts/Item/UIDragItem.cs b/Assets/Scripts/Item/UIDragItem.cs
index 12f9da2c..777fb02e 100644
--- a/Assets/Scripts/Item/UIDragItem.cs
+++ b/Assets/Scripts/Item/UIDragItem.cs
@@ -7,6 +7,7 @@ public class UIDragItem : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDr
     private RectTransform rectTransform; // UI ͼƬ�� RectTransform
     private CanvasGroup canvasGroup;     // CanvasGroup ���ڴ�����קʱ��͸����
     private Vector2 startPosition;       // ��ק��ʼʱ�ij�ʼλ��
+    private Vector2 offset;              // �������� UI ���ĵ��ƫ����
 
     void Start()
     {
@@ -27,6 +28,13 @@ public class UIDragItem : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDr
         // ��¼��ʼλ��
         startPosition = rectTransform.anchoredPosition;
 
+        // ������������ UI ���ĵ��ƫ����
+        Vector2 localPoint;
+        if (RectTransformUtility.ScreenPointToLocalPointInRectangle(rectTransform, eventData.position, eventData.pressEventCamera, out localPoint))
+        {
+            offset = localPoint;
+        }
+
         // ����͸���ȣ���ʾ��ק״̬
         canvasGroup.alpha = 0.6f;
 
@@ -37,17 +45,19 @@ public class UIDragItem : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDr
     // ��ק�����е���
     public void OnDrag(PointerEventData eventData)
     {
-        // ����Ļ����ת��Ϊ UI ����
+        // ����Ļ����ת��Ϊ UI ������ı�������
         Vector2 screenPoint = eventData.position;
-        RectTransformUtility.ScreenPointToLocalPointInRectangle(
+        Vector2 localPoint;
+        if (RectTransformUtility.ScreenPointToLocalPointInRectangle(
             rectTransform.parent as RectTransform, // ������Canvas �� Panel��
             screenPoint,                           // ��Ļ����
             eventData.pressEventCamera,            // �����Canvas ����Ⱦģʽ������
-            out Vector2 localPoint                 // ����ı�������
-        );
-
-        // ���� UI ͼƬ��λ��
-        rectTransform.anchoredPosition = localPoint;
+            out localPoint                         // ����ı�������
+        ))
+        {
+            // �������λ�ú�ƫ�������� UI ��λ��
+            rectTransform.anchoredPosition = localPoint - offset;
+        }
     }
 
     // ������קʱ����