Merge pull request Habrador#5 from masoudarvishian/bugfix_update_example

Bug fix for the Update design pattern example

Author: Habrador

Assets/Patterns/9. Update/Custom Update method/Scripts/GameController.cs

@@ -63,7 +63,7 @@ public static void RegisterUpdateableObject(IUpdateable obj)
         //Unregister
         public static void UnregisterUpdateableObject(IUpdateable obj)
         {
-            if (!updateableObjects.Contains(obj))
+            if (updateableObjects.Contains(obj))
             {
                 updateableObjects.Remove(obj);
             }