private void SpawnFood()
        {
            var boardSpace = GetFoodBoardSpace();
            var snakeFood  = new SnakeFood(boardSpace.Position, boardSpace.Width, boardSpace.Height);

            ActiveFoods.Add(snakeFood);
            boardSpace.OccupyingEntities.Add(snakeFood);
        }
 public void HandleEvent(FoodEatenEvent e)
 {
     ActiveFoods.Remove(e.EatenFood);
     e.BoardSpace.OccupyingEntities.Remove(e.EatenFood);
 }