1 // NullFDM.hxx -- a do-nothing flight model, used as a placeholder if the
2 // action is externally driven.
3 // Written by Curtis Olson, started November 1999.
5 // Copyright (C) 1999 - 2001 Curtis L. Olson - curt@flightgear.org
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include "NullFDM.hxx"
31 FGNullFDM::FGNullFDM( double dt ) {
36 FGNullFDM::~FGNullFDM() {
40 // Initialize the NullFDM flight model, dt is the time increment
41 // for each subsequent iteration through the EOM
42 void FGNullFDM::init() {
43 // cout << "FGNullFDM::init()" << endl;
48 // Run an iteration of the EOM. This is a NOP here because the flight
49 // model values are getting filled in elsewhere (most likely from some
51 void FGNullFDM::update( double dt ) {
52 // cout << "FGNullFDM::update()" << endl;