FirstComit

Assets/Script/SingletonMonoBehavior.cs

@@ -0,0 +1,35 @@
+using UnityEngine;
+
+public abstract class SingletonMonoBehavior<T> : MonoBehaviour where T : SingletonMonoBehavior<T>
+{
+    private static T _instance;
+
+    public static T Instance
+    {
+        get
+        {
+            if (_instance == null)
+            {
+                _instance = FindFirstObjectByType<T>();
+                if (_instance == null)
+                {
+                    var go = new GameObject(typeof(T).Name);
+                    _instance = go.AddComponent<T>();
+                }
+            }
+            return _instance;
+        }
+    }
+
+    protected virtual void Awake()
+    {
+        if (_instance != null && _instance != this)
+        {
+            Destroy(gameObject);
+            return;
+        }
+
+        _instance = (T)this;
+        DontDestroyOnLoad(gameObject);
+    }
+}