public class GameScreen implements Screen
{
    private Stage stage;
    private Dino dino;
    private SpaceMonster spaceMonster;
    private Sound spacebarSound;

    public GameScreen(final ScreenManager gam)
    {
        this.game = gam;

        stage = new Stage(new FitViewport(800, 480));
        Gdx.input.setInputProcessor(stage);

        dino = new Dino();
        spaceMonster = new SpaceMonster();

        stage.addActor(dino);
        stage.addActor(spaceMonster);

        spacebarSound = Gdx.audio.newSound(Gdx.files.internal("data/spacebarSound.mp3"));
    }

    @Override
    public void resize(int width, int height)
    {
    }

    @Override
    public void render(float delta)
    {
        Gdx.gl.glClearColor(0, 0, 0, 0);
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
        stage.act(Gdx.graphics.getDeltaTime());
        stage.draw();

        for (Rectangle spacebarRectangle : spacebar.getSpacebarRectangles())    // section of code
            if (spacebarRectangle.overlaps(dino.getDinoRectangle()))
                spacebarSound.play();
    }

    @Override
    public void pause()
    {
    }

    @Override
    public void resume()
    {
    }

    @Override
    public void show()
    {
    }

    @Override
    public void hide()
    {
    }

    @Override
    public void dispose()
    {
    }
}