protected void simpleInitGame() {
        final String TEST_IMAGE = "img/TestImage.png";
        ButtonHUDRenderer bhudrender = new ButtonHUDRenderer(new Texture(1.0f));

        TextureState ts = display.getRenderer().createTextureState();
        ts.setTexture(TextureManager.loadTexture(getClass().getClassLoader().getResource(TEST_IMAGE),
                Texture.MM_LINEAR, Texture.FM_LINEAR, 1.0f, true));
        ts.setEnabled(true);

        Texture buttonTexture = ts.getTexture();
        bhudrender.addButton(buttonTexture, new PrintWorldExecutable());
        this.toRender.add(bhudrender);

        for(NodeRenderable n : this.toRender)
            n.render(rootNode, display.getRenderer());
    }