private void CreatePassage(MazeCell currentCell, MazeCell neighbor, MazeDirection direction)
{
MazePassage passage = Instantiate(passagePrefab) as MazePassage;
passage.Init(currentCell, neighbor, direction);
passage = Instantiate(passagePrefab) as MazePassage;
passage.Init(neighbor, currentCell, direction.GetOpposite());
}
