void UpdateInterfaceLetters(LetterSoundComponent lc, LetterGridController letterGridController, int indexOfLetterBarCell, bool flash)
{
InteractiveLetter i;
if (SessionsDirector.instance.IsSyllableDivisionMode) {
i = letterGridController.GetInteractiveLetter (indexOfLetterBarCell);
i.UpdateDefaultColour (SessionsDirector.colourCodingScheme.GetColorsForWholeWord ());
i.SetSelectColour (lc.GetColour ());
} else {
i = letterGridController.UpdateLetter (indexOfLetterBarCell, lc.GetColour ());
}
char letter = lc.AsString[0];
bool flashInteractiveLetter = SessionsDirector.instance.IsMagicERule && IsVowel(lc.AsString[0]);
flashInteractiveLetter&= flash && i.HasLetterOrSoundChanged (lc) && lc.GetColour () == i.CurrentColor ();
i.LetterSoundComponentIsPartOf = lc;
if (flashInteractiveLetter) {
i.StartCoroutine ("Flash");
}
}
