public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();

        EditorGUILayout.BeginHorizontal();
        GUILayout.FlexibleSpace();

        GrandFather generator = (GrandFather)target;

        if (GUILayout.Button("웨이포인트 생성", GUILayout.Width(120), GUILayout.Height(30)))
        {
            generator.GenerateWayPoint();
        }

        GUILayout.FlexibleSpace();
        EditorGUILayout.EndHorizontal();

        EditorGUILayout.BeginHorizontal();
        GUILayout.FlexibleSpace();

        if (GUILayout.Button("플레이어를 위한 웨이포인트 생성", GUILayout.Width(240), GUILayout.Height(30)))
        {
            generator.GenerateWayPointForPlayer();
        }

        GUILayout.FlexibleSpace();
        EditorGUILayout.EndHorizontal();

        EditorGUILayout.BeginHorizontal();
        GUILayout.FlexibleSpace();

        if (GUILayout.Button("웨이포인트 id 초기화", GUILayout.Width(240), GUILayout.Height(30)))
        {
            generator.InitWayPoint();
        }

        GUILayout.FlexibleSpace();
        EditorGUILayout.EndHorizontal();

        EditorGUILayout.BeginHorizontal();
        GUILayout.FlexibleSpace();

        if (GUILayout.Button("플레이어 웨이포인트 id 초기화", GUILayout.Width(240), GUILayout.Height(30)))
        {
            generator.InitWayPointForPlayer();
        }

        GUILayout.FlexibleSpace();
        EditorGUILayout.EndHorizontal();
    }
        static void Inheritence()
        {
            GrandFather surya   = new GrandFather("Surya");
            Father      Chandra = new Father("Chandra", "Jung");
            Uncle       Hari    = new Uncle("Hari");
            Me          Shyam   = new Me("Shyam");

            //Console.WriteLine("Gran Father Details :");
            //Console.WriteLine(surya.FirstName);
            //Console.WriteLine(surya.LastName);

            //Console.WriteLine("Father's Detail :");
            //Console.WriteLine(Chandra.FirstName + " " + Chandra.MiddleName + " " + Chandra.LastName);

            //Console.WriteLine("Uncle's Detail :");
            //Console.WriteLine(Hari.FirstName + " " + Hari.LastName);

            //Console.WriteLine("My Details : ");
            //Console.WriteLine(Shyam.FirstName + " " + Shyam.MiddleName + " " + Shyam.LastName);


            Console.WriteLine(surya.ToString());
            Console.WriteLine(Chandra.ToString());
        }