씬 전환을 위한 씬매니저 추가 및 씬 전환 기능 추가

Assets/Scripts/Scenes/BaseScene.cs

@@ -0,0 +1,26 @@
+using UnityEngine;
+using UnityEngine.EventSystems;
+
+public abstract class BaseScene : MonoBehaviour
+{
+    public Define.Scene SceneType { get; protected set; } = Define.Scene.Unknown; 
+    
+    void Awake()
+    {
+        Init();
+    }
+
+    protected virtual void Init()
+    {
+        // 더 이상 사용되지 않음
+        // GameObject.FindObjectOfType(typeof(EventSystem));
+        Object obj = GameObject.FindAnyObjectByType(typeof(EventSystem));
+
+        if (obj == null)
+        {
+            Managers.Resource.Instantiate("UI/EventSystem").name = "@EventSystem";
+        }
+    }
+
+    public abstract void Clear();
+}