//Run to start/reset the game
public static void Start()
{
PlayerBoard = new Board(new Rectangle((screenWidth - (boardWidth * gridSize)) / 2,
(screenHeight - (boardHeight * gridSize)) / 2, boardWidth * gridSize, boardHeight * gridSize));
GameBoards.Add(PlayerBoard);
gameState = GameState.Play;
PlayerBoard.fillUpcomingPieces();
PlayerBoard.changeCurrentPiece();
Highscore.ReadFromFile();
}