코드 경고 제거 및 미사용 코드 제거

Assets/Scripts/MapGenerator.cs

@@ -14,8 +14,6 @@ namespace Northbound
         [Header("Common Settings")]
         [Tooltip("맵 생성 시작 시 자동 생성")]
         [SerializeField] private bool generateOnSpawn = true;
-        [Tooltip("생성된 오브젝트를 부모로 그룹화")]
-        [SerializeField] private bool groupUnderParent = true;
 
         [Header("Map Boundaries")]
         [Tooltip("X 범위 (-width/2 ~ +width/2)")]
@@ -155,7 +153,7 @@ namespace Northbound
 
         private void FindImportantPositions()
         {
-            Core core = FindObjectOfType<Core>();
+            Core core = FindFirstObjectByType<Core>();
             if (core != null)
             {
                 _corePosition = new Vector2(core.transform.position.x, core.transform.position.z);
@@ -165,7 +163,7 @@ namespace Northbound
                 _corePosition = Vector2.zero;
             }
 
-            Resource[] resources = FindObjectsOfType<Resource>();
+            Resource[] resources = FindObjectsByType<Resource>(FindObjectsSortMode.InstanceID);
             if (resources.Length > 0)
             {
                 _initialResourcePosition = new Vector2(resources[0].transform.position.x, resources[0].transform.position.z);