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flightgear/src/Instrumentation/rad_alt.hxx

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2008-03-17 08:47:16 +00:00
// Radar Altimeter
//
// Written by Vivian MEAZZA, started Feb 2008.
//
//
// Copyright (C) 2008 Vivain MEAZZA - vivian.meazza@lineone.net
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//
#ifndef _INST_RADALT_HXX
#define _INST_RADALT_HXX
#include <simgear/structure/subsystem_mgr.hxx>
#include <Scenery/scenery.hxx>
#include <simgear/scene/material/mat.hxx>
#include "agradar.hxx"
class radAlt : public agRadar{
public:
radAlt ( SGPropertyNode *node );
radAlt ();
virtual ~radAlt ();
private:
virtual void init ();
virtual void update (double dt);
void update_altitude();
double getDistanceAntennaToHit(SGVec3d h) const;
SGPropertyNode_ptr _user_alt_agl_node;
SGPropertyNode_ptr _rad_alt_warning_node;
double _min_radalt;
};
#endif // _INST_AGRADAR_HXX