David Megginson writes:
>
>While we're talking about refactoring, I think that it might be time
>to consider creating something like an FGLocus class, to keep track of
>a single location. Its interface would look a lot like the viewer's:
>
> class FGLocus
> {
> public:
> FGLocus ();
> virtual ~FGLocus ();
>
> virtual double getLongitudeDeg () const;
> virtual double getLatitudeDeg () const;
> virtual double getAltitudeFt () const;
>
> virtual void setPosition (double lon_deg, double lat_deg,
>double alt_ft);
>
> virtual double getRollDeg () const;
> virtual double getPitchDeg () const;
> virtual double getHeadingDeg () const;
>
> virtual void setOrientation (double roll_deg, double pitch_deg,
> double heading_deg);
>
> virtual const sgMAT4 &getTransformMatrix () const;
>
> };
Good Idea but I don't know about the name
< sidebar >
it would behoove the project to stop thinking in spherical terms
xcept when doing user input / output. Converting back and forth
between sperical and cartesian representation is a time sink that
doesn't need to happen at all as far as the inner workings of the
program are concerned. The cartesian form of the position and
orientation is already put on the 'bus' in cartesian form USE IT
We ONLY want to make the conversion at the User <-> Machine
interface.
give the gfx hardware a chance to work :-)
Norman
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