public void HoldPiece()
{
if (_canHold)
{
_activePiece.Despawn();
if (_heldPiece == null)
{
_heldPiece = _activePiece;
SpawnNextPiece();
}
else
{
Tetrimino tempPiece = _heldPiece;
_heldPiece = _activePiece;
_activePiece = tempPiece;
_activePiece.Spawn();
_activeOutline = GeneratePiece(_activePiece.GetBlockValue());
}
_holdSound.Play();
}
_canHold = false;
}