1
0
Fork 0
flightgear/src/FDM/JSBSim/FGTranslation.h
2001-12-13 04:48:34 +00:00

136 lines
4.6 KiB
C++

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Header: FGTranslation.h
Author: Jon Berndt
Date started: 12/02/98
------------- Copyright (C) 1999 Jon S. Berndt (jsb@hal-pc.org) -------------
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA.
Further information about the GNU General Public License can also be found on
the world wide web at http://www.gnu.org.
HISTORY
--------------------------------------------------------------------------------
12/02/98 JSB Created
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
COMMENTS, REFERENCES, and NOTES
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
[1] Cooke, Zyda, Pratt, and McGhee, "NPSNET: Flight Simulation Dynamic Modeling
Using Quaternions", Presence, Vol. 1, No. 4, pp. 404-420 Naval Postgraduate
School, January 1994
[2] D. M. Henderson, "Euler Angles, Quaternions, and Transformation Matrices",
JSC 12960, July 1977
[3] Richard E. McFarland, "A Standard Kinematic Model for Flight Simulation at
NASA-Ames", NASA CR-2497, January 1975
[4] Barnes W. McCormick, "Aerodynamics, Aeronautics, and Flight Mechanics",
Wiley & Sons, 1979 ISBN 0-471-03032-5
[5] Bernard Etkin, "Dynamics of Flight, Stability and Control", Wiley & Sons,
1982 ISBN 0-471-08936-2
The order of rotations used in this class corresponds to a 3-2-1 sequence,
or Y-P-R, or Z-Y-X, if you prefer.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
SENTRY
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
#ifndef FGTRANSLATION_H
#define FGTRANSLATION_H
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
INCLUDES
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
#ifdef FGFS
# include <simgear/compiler.h>
# ifdef SG_HAVE_STD_INCLUDES
# include <cmath>
# else
# include <math.h>
# endif
#else
# if defined(sgi) && !defined(__GNUC__)
# include <math.h>
# else
# include <cmath>
# endif
#endif
#include "FGModel.h"
#include "FGMatrix33.h"
#include "FGColumnVector3.h"
#include "FGColumnVector4.h"
#define ID_TRANSLATION "$Id$"
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
CLASS DECLARATION
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
class FGTranslation : public FGModel {
public:
FGTranslation(FGFDMExec*);
~FGTranslation();
inline FGColumnVector3& GetUVW (void) { return vUVW; }
inline double GetUVW (int idx) { return vUVW(idx); }
inline FGColumnVector3& GetUVWdot(void) { return vUVWdot; }
inline double GetUVWdot(int idx) { return vUVWdot(idx); }
inline FGColumnVector3& GetvAeroUVW (void) { return vAeroUVW; }
inline double GetvAeroUVW (int idx) { return vAeroUVW(idx); }
inline double Getalpha(void) { return alpha; }
inline double Getbeta (void) { return beta; }
inline double Getqbar (void) { return qbar; }
inline double GetVt (void) { return Vt; }
inline double GetMach (void) { return Mach; }
inline double Getadot (void) { return adot; }
inline double Getbdot (void) { return bdot; }
void SetUVW(FGColumnVector3 tt) { vUVW = tt; }
inline void Setalpha(double tt) { alpha = tt; }
inline void Setbeta (double tt) { beta = tt; }
inline void Setqbar (double tt) { qbar = tt; }
inline void SetVt (double tt) { Vt = tt; }
inline void SetMach (double tt) { Mach=tt; }
inline void Setadot (double tt) { adot = tt; }
inline void Setbdot (double tt) { bdot = tt; }
inline void SetAB(double t1, double t2) { alpha=t1; beta=t2; }
bool Run(void);
private:
FGColumnVector3 vUVW;
FGColumnVector3 vUVWdot;
FGColumnVector3 vlastUVWdot;
FGMatrix33 mVel;
FGColumnVector3 vAeroUVW;
double Vt, qbar, Mach;
double dt;
double alpha, beta;
double adot,bdot;
void Debug(int from);
};
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
#endif