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flightgear/src/FDM/NullFDM.hxx
david aabdd355f0 Modified FGSubsystem::update() to take an int parameter for delta time
(i.e. multiloop).  Most subsystems currently ignore the parameter, but
eventually, it will allow all subsystems to update by time rather than
by framerate.
2001-12-22 17:33:27 +00:00

46 lines
1.3 KiB
C++

// NullFDM.hxx -- a do-nothing flight model, used as a placeholder if the
// action is externally driven.
//
// Written by Curtis Olson, started November 1999.
//
// Copyright (C) 1999 - 2001 Curtis L. Olson - curt@flightgear.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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
#ifndef _NULLFDM_HXX
#define _NULLFDM_HXX
#include "flight.hxx"
class FGNullFDM: public FGInterface {
public:
FGNullFDM::FGNullFDM( double dt );
FGNullFDM::~FGNullFDM();
// reset flight params to a specific position
void init();
// update position based on inputs, positions, velocities, etc.
void update( int multiloop );
};
#endif // _NULLFDM_HXX