ViewSpaceRotation
virtual double ViewSpaceRotation() const;
double rotation = ViewSpaceRotation();
virtual double ViewSpaceRotation() const;
float rotation = fmod(360.0 - fParent->ViewSpaceRotation() + 22.5, 180.0);
float rotation = fmod(360.0 - fParent->ViewSpaceRotation() + 22.5, 180.0);
virtual double ViewSpaceRotation() const;