private IEnumerable <GameState> CreateGameStates(TemporaryGameState temporaryGameState)
{
foreach (NavigateDirection navigateDirection in Enum.GetValues(typeof(NavigateDirection)))
{
if (temporaryGameState.CanNavigate(navigateDirection))
{
temporaryGameState.Navigate(navigateDirection);
foreach (var newGameState in CreateGameStates(temporaryGameState))
{
yield return(newGameState);
}
temporaryGameState.NavigateBack();
}
}
if (temporaryGameState.IsWordExist())
{
yield return(temporaryGameState.GetNewGameState());
}
}
