fix:1

Assets/Scripts/Tools/IconFollow2D.cs

@@ -0,0 +1,68 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using DG.Tweening;
+using UnityEngine.EventSystems; // 添加这一行
+public class IconFollow2D : MonoBehaviour
+{
+    //目标对象
+    public Transform target;
+    //目标位置
+    public Vector3 targetPos;
+
+
+ 
+    private Camera mainCamera;
+    private CanvasGroup canvas;
+
+
+
+    void Awake()
+    {
+        mainCamera = Camera.main;
+        canvas = GetComponent<CanvasGroup>();
+        if (canvas == null)
+        {
+            canvas = gameObject.AddComponent<CanvasGroup>();
+        }
+    }
+
+
+
+    void LateUpdate()
+    {
+        if (mainCamera != null)
+        {
+            if (target != null)
+            {
+                Vector3 pos = mainCamera.WorldToScreenPoint(target.position);
+                pos = new Vector3(pos.x, pos.y, pos.z);
+                transform.position = pos;
+            }
+            else if (targetPos != null)
+            {
+                Vector3 pos = mainCamera.WorldToScreenPoint(targetPos);
+                pos = new Vector3(pos.x, pos.y, pos.z);
+                transform.position = pos;
+            }
+            if (Time.frameCount % 5 == 0)
+            {
+                ResetAlpha();
+            }
+        }
+    }
+
+
+    void ResetAlpha()
+    {
+        if (transform.position.z > 0f && canvas.alpha < 0.1f)
+        {
+            canvas.alpha = 1f;
+        }
+        else if (transform.position.z < 0f && canvas.alpha > 0.9f)
+        {
+            canvas.alpha = 0f;
+        }
+    }
+
+}