1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 Header: FGGroundReactions.h
7 ------------- Copyright (C) 1999 Jon S. Berndt (jsb@hal-pc.org) -------------
9 This program is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free Software
11 Foundation; either version 2 of the License, or (at your option) any later
14 This program is distributed in the hope that it will be useful, but WITHOUT
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
19 You should have received a copy of the GNU General Public License along with
20 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21 Place - Suite 330, Boston, MA 02111-1307, USA.
23 Further information about the GNU General Public License can also be found on
24 the world wide web at http://www.gnu.org.
27 --------------------------------------------------------------------------------
30 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
31 COMMENTS, REFERENCES, and NOTES
32 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
36 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
38 #ifndef FGGROUNDREACTIONS_H
39 #define FGGROUNDREACTIONS_H
41 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
43 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
46 # include <simgear/compiler.h>
47 # ifdef SG_HAVE_STD_INCLUDES
57 #include "FGConfigFile.h"
59 #include "FGInertial.h"
60 #include "FGMatrix33.h"
62 #define ID_GROUNDREACTIONS "$Id$"
64 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
66 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
68 class FGGroundReactions : public FGModel
71 FGGroundReactions(FGFDMExec*);
72 ~FGGroundReactions() {};
75 bool Load(FGConfigFile* AC_cfg);
76 FGColumnVector3& GetForces(void) {return vForces;}
77 FGColumnVector3& GetMoments(void) {return vMoments;}
78 string GetGroundReactionStrings(void);
79 string GetGroundReactionValues(void);
81 /** Gets the gear status
82 @return true if gear is not deployed */
83 inline bool GetGearUp(void) { return GearUp; }
84 /** Gets the number of gear units defined for the aircraft
85 @return number of gear units defined */
86 inline int GetNumGearUnits(void) { return lGear.size(); }
87 /** Gets a gear instance
88 @param gear index of gear instance
89 @return a pointer to the FGLGear instance of the gear unit requested */
90 inline FGLGear* GetGearUnit(int gear) { return &(lGear[gear]); }
91 inline void SetGear(bool tt) { GearUp = tt; }
92 inline void SetGearUp(void) { GearUp = true; }
93 inline void SetGearDown(bool tt) { GearUp = false; }
96 vector <FGLGear> lGear;
98 FGColumnVector3 vForces;
99 FGColumnVector3 vMoments;
100 FGColumnVector3 vMaxStaticGrip;
101 FGColumnVector3 vMaxMomentResist;
106 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%