class RaidGame : ApplicationAdapter() {

    var batch: SpriteBatch? = null

    override fun create() {
        batch = SpriteBatch()
    }

    override fun render() {
        Gdx.gl.glClearColor(1f, 0f, 0f, 1f)
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT)
        batch?.begin()
        batch?.end()
    }
}