message: Rename `_rotation` to `rotation`
diff: @@ -154,9 +154,9 @@ State* PlanetSelectState::update()
  const auto size = renderer.size();
  renderer.drawImageStretched(mBg, {0, 0}, size);
  - float _rotation = mTimer.tick() / 1200.0f;
  - renderer.drawImageRotated(mCloud1, {-256, -256}, _rotation, NAS2D::Color{100, 255, 0, 135});
  - renderer.drawImageRotated(mCloud1, {size.x - 800, -256}, -_rotation, NAS2D::Color{180, 0, 255, 150});
  + float rotation = mTimer.tick() / 1200.0f;
  + renderer.drawImageRotated(mCloud1, {-256, -256}, rotation, NAS2D::Color{100, 255, 0, 135});
  + renderer.drawImageRotated(mCloud1, {size.x - 800, -256}, -rotation, NAS2D::Color{180, 0, 255, 150});
  drawStar({-40, -55});
  