4d91bc5908
ephemeris.cxx ephemeris.hxx stardata.cxx: one must not do changes just before checkin, one most not do changes just before checkin, [ last message repeated 100 times ]
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
// ephemeris.cxx -- Top level class for calculating current positions of
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// astronomical objects
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//
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// Written by Curtis Olson, started March 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but 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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// Library 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 <simgear_config.h>
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#endif
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#include <iostream>
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#include "ephemeris.hxx"
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// Constructor
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SGEphemeris::SGEphemeris( const std::string &path ) {
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our_sun = new Star;
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moon = new MoonPos;
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mercury = new Mercury;
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venus = new Venus;
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mars = new Mars;
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jupiter = new Jupiter;
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saturn = new Saturn;
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uranus = new Uranus;
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neptune = new Neptune;
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nplanets = 7;
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for ( int i = 0; i < nplanets; ++i )
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planets[i] = SGVec3d::zeros();
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stars = new SGStarData( SGPath(path) );
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}
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// Destructor
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SGEphemeris::~SGEphemeris( void ) {
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delete our_sun;
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delete moon;
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delete mercury;
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delete venus;
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delete mars;
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delete jupiter;
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delete saturn;
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delete uranus;
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delete neptune;
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delete stars;
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}
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// Update (recalculate) the positions of all objects for the specified
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// time
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void SGEphemeris::update( double mjd, double lst, double lat ) {
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// update object positions
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our_sun->updatePosition( mjd );
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moon->updatePosition( mjd, lst, lat, our_sun );
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mercury->updatePosition( mjd, our_sun );
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venus->updatePosition( mjd, our_sun );
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mars->updatePosition( mjd, our_sun );
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jupiter->updatePosition( mjd, our_sun );
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saturn->updatePosition( mjd, our_sun );
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uranus->updatePosition( mjd, our_sun );
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neptune->updatePosition( mjd, our_sun );
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// update planets list
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nplanets = 7;
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mercury->getPos( &planets[0][0], &planets[0][1], &planets[0][2] );
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venus ->getPos( &planets[1][0], &planets[1][1], &planets[1][2] );
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mars ->getPos( &planets[2][0], &planets[2][1], &planets[2][2] );
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jupiter->getPos( &planets[3][0], &planets[3][1], &planets[3][2] );
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saturn ->getPos( &planets[4][0], &planets[4][1], &planets[4][2] );
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uranus ->getPos( &planets[5][0], &planets[5][1], &planets[5][2] );
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neptune->getPos( &planets[6][0], &planets[6][1], &planets[6][2] );
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}
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