public void start(InputManager inputManager) {
		inputManager.mapToKey(moveLeft, KeyEvent.VK_LEFT);
        inputManager.mapToKey(moveRight, KeyEvent.VK_RIGHT);
        inputManager.mapToKey(moveUp, KeyEvent.VK_UP);
        inputManager.mapToKey(moveDown, KeyEvent.VK_DOWN);
        inputManager.mapToKey(shoot, KeyEvent.VK_SPACE);
        inputManager.mapToKey(exit, KeyEvent.VK_ESCAPE);
        inputManager.mapToKey(pause, KeyEvent.VK_P);
        inputManager.mapToKey(newGame, KeyEvent.VK_N);

        soundManager.setPaused(false);
        midiPlayer.setPaused(false);
        midiPlayer.play(music, true);
	}