/// <summary>
/// Makes any necessary changes when destroying a piece.
/// </summary>
void DestroyPiece()
{
PieceController curPC = pieceToDestroy.GetComponent <PieceController>();
Vector2Int[] tileCoords = curPC.GetTileCoords();
RemovePiece(pieceToDestroy);
Destroy(pieceToDestroy);
BoardController.instance.PieceRemoved(tileCoords);
}