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/MouseSuspensionOneSecond.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class MouseSuspensionOneSecond : MonoBehaviour
+{
+    Camera cam;
+    private float hoverTime = 0f;
+    // Start is called before the first frame update
+    void Start()
+    {
+        cam = Camera.main;
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        Ray ray = cam.ScreenPointToRay(Input.mousePosition);
+        
+        if(Physics.Raycast(ray,out RaycastHit hit))
+        {
+            if (Vector3.Distance(cam.transform.position, hit.transform.position) < 8f && hit.collider.CompareTag("Target") )
+            {
+                hoverTime += Time.deltaTime;
+                if (hoverTime >= 0.6f)
+                {
+                    //Debug.Log("dianzhong");
+                    UIManager.Instance.DisplayData(hit.collider.gameObject.name);
+                    hoverTime = -999f;
+                }
+            }
+            else
+            {
+                hoverTime = 0f;
+                UIManager.Instance.HideData();
+            }
+        }
+        else
+        {
+            hoverTime = 0f;
+            UIManager.Instance.HideData();
+        }
+    }
+}