simgear/Astro/star.hxx

98 lines
2.0 KiB
C++

/**************************************************************************
* star.hxx
* Written by Durk Talsma. Originally started October 1997, for distribution
* with the FlightGear project. Version 2 was written in August and
* September 1998. This code is based upon algorithms and data kindly
* provided by Mr. Paul Schlyter. (pausch@saaf.se).
*
* 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.
*
* $Id$
* (Log is kept at end of this file)
**************************************************************************/
#ifndef _STAR_HXX_
#define _STAR_HXX_
#include <Time/fg_time.hxx>
#include "celestialBody.hxx"
class Star : public CelestialBody
{
private:
double longitude; // the sun's true longitude
double xs, ys; // the sun's rectangular geocentric coordinates
double distance; // the sun's distance to the earth
public:
Star (fgTIME *t);
void updatePosition(fgTIME *t);
double getM();
double getw();
double getLon();
double getxs();
double getys();
double getDistance();
};
inline double Star::getM()
{
return M;
}
inline double Star::getw()
{
return w;
}
inline double Star::getLon()
{
return longitude;
}
inline double Star::getxs()
{
return xs;
}
inline double Star::getys()
{
return ys;
}
inline double Star::getDistance()
{
return distance;
}
#endif // _STAR_HXX_