// -----------------------------------------------------------------------------------
/// <summary>
/// Shows or hide a given letter
/// </summary>
public void ShowLetter(UNLOCK letter, bool show)
{
Letter let = letters.Find(l => l.letter == letter);
let.image.sprite = show ? let.sprite : emptyLetter;
}
public bool this[UNLOCK letter]
{
get { return(state[letter]); }
set { state[letter] = value; }
}