void Start()
{
Debug.Log("===================== Command Pattern =====================");
MapEditor mapEditor = new MapEditor();
mapEditor.Create("마린1", 100, 200);
mapEditor.Create("마린2", 200, 400);
mapEditor.Create("마린3", 300, 600);
mapEditor.Delete("마린2", 300, 600);
mapEditor.Undo(3);
mapEditor.Redo(3);
}