URP 제거 및 유니티짱 에셋 추가

Assets/Scripts/Managers/Managers.cs

@@ -2,10 +2,14 @@ using UnityEngine;
 
 public class Managers : MonoBehaviour
 {
+    static Managers s_instance;   // static으로 유일성 보장
+
+    public static Managers Instance { get { Init(); return s_instance; } }  // 유일한 매니저를 가져온다.
+    
     // Start is called once before the first execution of Update after the MonoBehaviour is created
     void Start()
     {
-        // 초기화
+        Init();
     }
 
     // Update is called once per frame
@@ -13,4 +17,21 @@ public class Managers : MonoBehaviour
     {
         
     }
+
+    static void Init()
+    {
+        if (s_instance == null)
+        {
+            GameObject go = GameObject.Find("@Managers");
+
+            if (go == null)
+            {
+                go = new GameObject("@Managers");
+                go.AddComponent<Managers>();
+            }
+            
+            DontDestroyOnLoad(go);
+            s_instance = go.GetComponent<Managers>(); 
+        }
+    }
 }