Jon S Berndt writes:
>
>On Fri, 5 Apr 2002 10:10:10 -0600 (CST)
> "Curtis L. Olson" <[EMAIL PROTECTED]> wrote:
>
>>How about something simple like FGPosition or FGPos ... I thought of
>>it so it gets my vote. :-)
>>
>>Curt.
>
>We thought of it three years ago (FGPosition). It's
>already in JSBSim.
>
Yes BUT ... your FGPosition is what I would call FGRigidBody
ie you have velocity and acceleration terms
IMHO the class heirarchy should be something like
class FGPosition
{
private:
double htmatrix [4][4];
}
class FGRigidBody : public FGPosition
{
private:
double time_of_posture;
double x_dot; // linear velocity along x axis
double y_dot; // linear velocity along y axis
double z_dot; // linear velocity along z axis
double phi_dot; // angular velocity about x axis
double theta_dot; // angular velocity about y axis
double psi_dot; // angular velocity about z axis
}
but-we've-been-here-before'ly yr's
Norman
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