57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
// NullFDM.hxx -- a do-nothing flight model, used as a placeholder if the
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// action is externally driven.
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// Written by Curtis Olson, started November 1999.
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//
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// Copyright (C) 1999 - 2001 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "NullFDM.hxx"
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FGNullFDM::FGNullFDM( double dt ) {
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// set_delta_t( dt );
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}
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FGNullFDM::~FGNullFDM() {
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}
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// Initialize the NullFDM flight model, dt is the time increment
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// for each subsequent iteration through the EOM
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void FGNullFDM::init() {
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//do init common to all the FDM's
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common_init();
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// cout << "FGNullFDM::init()" << endl;
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set_inited( true );
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}
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// Run an iteration of the EOM. This is a NOP here because the flight
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// model values are getting filled in elsewhere (most likely from some
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// external source.)
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void FGNullFDM::update( double dt ) {
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// cout << "FGNullFDM::update()" << endl;
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// That is just to trigger ground level computations
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_updateGeodeticPosition(get_Latitude(), get_Longitude(), get_Altitude());
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}
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