GameScreen.java

   @Override
    public void render(float delta) {
        // Clear screen
        Gdx.gl20.glViewport(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
        Gdx.gl20.glClearColor(0f, 0f, 0.2f, 1f);
        Gdx.gl20.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT);

        // Set camera position
        camera.position.set(new Vector3(player.getPosition().x, player.getPosition().y, 0));
        camera.update();

        // Render the map
        tileMapRenderer.setView(camera);
        tileMapRenderer.render();

        // Render sprites
        batch.setProjectionMatrix(camera.combined);
        batch.begin();
        player.render(batch);
        batch.end();
    }

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

    @Override
    public void show() {
        // Create the player
        player = new Player();

        // Setup camera
        float w = Gdx.graphics.getWidth();
        float h = Gdx.graphics.getHeight();

        camera = new OrthographicCamera();
        camera.setToOrtho(false, (w / Settings.TILE_SIZE), (h / Settings.TILE_SIZE));
        camera.zoom = 1f / 3f;

        camera.update();

        // Setup input handling
        gameInputProcessor = new GameInputProcessor(player);

        inputMultiplexer = new InputMultiplexer();
        inputMultiplexer.addProcessor(gameInputProcessor);

        Gdx.input.setInputProcessor(inputMultiplexer);

        // Load map
        map = VortexAssets.getAssetManager().get("assets/levels/level-sample.tmx");
        tileMapRenderer = new OrthogonalTiledMapRenderer(map, Settings.UNIT_SCALE);

        player.move(3, 26);

        batch = new SpriteBatch();
    }