浮标点和相机停靠点外置，用resources加载图片，删除脚本文件夹分类

Assets/Scripts/BaseMgr.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class BaseMgr<T>:MonoBehaviour where T : MonoBehaviour
+{
+    private static T instance;
+    public static T Instance
+    {
+        //get
+        //{
+        //    if (instance == null)
+        //        instance = new T();
+        //    return instance;
+        //}
+        get
+        {
+            //if (instance == null)
+            //{
+            //    GameObject obj = new GameObject();
+            //    obj.name = typeof(T).ToString();
+            //    instance = obj.AddComponent<T>();
+            //    DontDestroyOnLoad(obj);
+            //}
+            return instance;
+        }
+    }
+    protected virtual void Awake()
+    {
+        instance = this as T;
+    }
+    //public static T GetInstance()
+    //{
+    //    if (instance == null)
+    //        instance = new T();
+    //    return instance;
+    //}
+}
+
+//public class SelfUIManager : MonoBehaviour
+//{
+//    //public ima
+//    public static GameObject pickUPHint;
+//    private void Awake()
+//    {
+//        if (pickUPHint == null)
+//        {
+//            pickUPHint = GameObject.Find("PickUp");
+//        }
+//    }
+
+
+//}