1
0
Fork 0
flightgear/Astro/moon.h

81 lines
2.5 KiB
C

/**************************************************************************
* moon.h
*
* Written 1997 by Durk Talsma, started October, 1997.
*
* 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 _MOON_H
#define _MOON_H
#include <Astro/orbits.h>
#include <Time/fg_time.h>
#include <math.h>
#define X .525731112119133606
#define Z .850650808352039932
/* Initialize the Moon Display management Subsystem */
void fgMoonInit( void );
/* Draw the Stars */
void fgMoonRender( void );
struct CelestialCoord fgCalculateMoon(struct OrbElements Params,
struct OrbElements sunParams,
struct fgTIME t);
extern struct OrbElements pltOrbElements[9];
#endif /* _MOON_H */
/* $Log$
/* Revision 1.4 1998/01/22 02:59:27 curt
/* Changed #ifdef FILE_H to #ifdef _FILE_H
/*
* Revision 1.3 1998/01/19 19:26:58 curt
* Merged in make system changes from Bob Kuehne <rpk@sgi.com>
* This should simplify things tremendously.
*
* Revision 1.2 1998/01/19 18:40:17 curt
* Tons of little changes to clean up the code and to remove fatal errors
* when building with the c++ compiler.
*
* Revision 1.1 1998/01/07 03:16:16 curt
* Moved from .../Src/Scenery/ to .../Src/Astro/
*
* Revision 1.4 1997/12/11 04:43:56 curt
* Fixed sun vector and lighting problems. I thing the moon is now lit
* correctly.
*
* Revision 1.3 1997/11/25 19:25:35 curt
* Changes to integrate Durk's moon/sun code updates + clean up.
*
* Revision 1.2 1997/10/25 03:24:23 curt
* Incorporated sun, moon, and star positioning code contributed by Durk Talsma.
*
* Revision 1.1 1997/10/25 03:16:09 curt
* Initial revision of code contributed by Durk Talsma.
*
*/