public StageManager(GamePanel gamePanel, int startStage) {
		this.gamePanel = gamePanel;
		setStatge(startStage, null);
		try {
			loadingScreen = ImageIO.read(getClass().getResourceAsStream("/graphics/loading/DummyLoading.png"));
		} catch (IOException e) {
			e.printStackTrace();
		}
		SoundManager.init("GameData/sound/");
		SoundManager.loadStaticClips();
	}