134 lines
4.3 KiB
C++
134 lines
4.3 KiB
C++
/*******************************************************************************
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Header: FGLGear.h
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Author: Jon S. Berndt
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Date started: 11/18/99
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------------- Copyright (C) 1999 Jon S. Berndt (jsb@hal-pc.org) -------------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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HISTORY
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--------------------------------------------------------------------------------
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11/18/99 JSB Created
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********************************************************************************
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SENTRY
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*******************************************************************************/
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#ifndef FGLGEAR_H
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#define FGLGEAR_H
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/*******************************************************************************
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COMMENTS, REFERENCES, and NOTES
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********************************************************************************
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[1] Cooke, Zyda, Pratt, and McGhee, "NPSNET: Flight Simulation Dynamic Modeling
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Using Quaternions", Presence, Vol. 1, No. 4, pp. 404-420 Naval Postgraduate
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School, January 1994
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[2] D. M. Henderson, "Euler Angles, Quaternions, and Transformation Matrices",
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JSC 12960, July 1977
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[3] Richard E. McFarland, "A Standard Kinematic Model for Flight Simulation at
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NASA-Ames", NASA CR-2497, January 1975
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[4] Barnes W. McCormick, "Aerodynamics, Aeronautics, and Flight Mechanics",
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Wiley & Sons, 1979 ISBN 0-471-03032-5
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[5] Bernard Etkin, "Dynamics of Flight, Stability and Control", Wiley & Sons,
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1982 ISBN 0-471-08936-2
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********************************************************************************
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INCLUDES
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*******************************************************************************/
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#ifdef FGFS
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# include <simgear/compiler.h>
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#endif
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#include <string>
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#include "FGConfigFile.h"
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#include "FGMatrix.h"
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#include "FGFDMExec.h"
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#include "FGState.h"
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/*******************************************************************************
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DEFINITIONS
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*******************************************************************************/
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/*******************************************************************************
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CLASS DECLARATION
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*******************************************************************************/
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class FGAircraft;
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class FGPosition;
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class FGRotation;
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class FGLGear
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{
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public:
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FGLGear(FGConfigFile*, FGFDMExec*);
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~FGLGear(void);
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FGColumnVector Force(void);
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FGColumnVector Moment(void) {return vMoment;}
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FGColumnVector GetBodyLocation(void) { return vWhlBodyVec; }
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inline string GetName(void) {return name; }
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inline bool GetWOW(void) {return WOW; }
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inline float GetCompLen(void) {return compressLength;}
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inline float GetCompVel(void) {return compressSpeed; }
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inline float GetCompForce(void) {return Force()(3); }
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inline void SetReport(bool bb) { ReportEnable=bb; }
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inline bool GetReport(void) { return ReportEnable; }
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private:
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enum {eX=1, eY, eZ};
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FGColumnVector vXYZ;
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FGColumnVector vMoment;
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FGColumnVector vWhlBodyVec;
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float kSpring, bDamp, compressLength, compressSpeed;
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float statFCoeff, rollFCoeff, skidFCoeff;
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float frictionForce, compForce;
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float brakePct, brakeForce, brakeCoeff;
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float maxCompLen;
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double SinkRate;
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double GroundSpeed;
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double DistanceTraveled;
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double MaximumStrutForce;
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double MaximumStrutTravel;
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bool WOW;
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bool FirstContact;
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bool Reported;
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bool ReportEnable;
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string name;
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FGFDMExec* Exec;
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FGState* State;
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FGAircraft* Aircraft;
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FGPosition* Position;
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FGRotation* Rotation;
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void Report(void);
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};
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#include "FGAircraft.h"
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#include "FGPosition.h"
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#include "FGRotation.h"
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/******************************************************************************/
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#endif
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