public void startLocalMultiplayerGame() {
		if (this.isActive) {
			if (JOptionPane.showConfirmDialog(null, "Are you sure?", "Restart game", JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION) {
				this.endGame();
				this.startGame();
			}
		} else {
			this.startGame();
		}
	}