/// <summary>
/// Reveals current tile and nearby ones if ENumber == Empty
/// </summary>
public void Reveal()
{
// skip if already revealed or flagged
if (_revealed || _flagged)
{
return;
}
_revealed = true;
_sprRend.sprite = _sprRevealed;
if (_type != EType.Mine && _num == ENumber.Empty)
{
Neighbours.ForEach(neighbour => neighbour.Revealed = true);
}
_parent.OnTileReveal(gameObject);
}