画像を回転

画像を回転する
参考：http://gamedev.stackexchange.com/questions/22082/how-to-rotate-a-sprite-on-circle-in-android-using-libgdx

private Texture texture;
private Sprite sprite;
private SpriteBatch batch;

public void create() {
  texture = new Texture(Gdx.files.internal("hoge.png"));
  sprite = new Sprite(texture);
  ...
  batch = new SpriteBatch();
  ...
}

public void render() {
  ...
  batch.begin();
  sprite.rotate(5.0f); // 回転角度
  sprite.setPosition(10f,10f); // 描画位置
  sprite.draw(batch, 1);
  batch.end();
}