71 lines
2 KiB
C
71 lines
2 KiB
C
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/**************************************************************************
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* moon.h
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*
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* Written 1997 by Durk Talsma, started October, 1997.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id$
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* (Log is kept at end of this file)
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**************************************************************************/
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#ifndef _MOON_H_
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#define _MOON_H_
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#include "orbits.h"
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#include "../Time/fg_time.h"
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#include <math.h>
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#define X .525731112119133606
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#define Z .850650808352039932
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/* Initialize the Moon Display management Subsystem */
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void fgMoonInit();
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/* Draw the Stars */
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void fgMoonRender();
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struct CelestialCoord fgCalculateMoon(struct OrbElements Params,
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struct OrbElements sunParams,
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struct fgTIME t);
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extern struct OrbElements pltOrbElements[9];
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#endif /* _MOON_H_ */
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/* $Log$
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/* Revision 1.1 1998/01/07 03:16:16 curt
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/* Moved from .../Src/Scenery/ to .../Src/Astro/
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/*
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* Revision 1.4 1997/12/11 04:43:56 curt
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* Fixed sun vector and lighting problems. I thing the moon is now lit
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* correctly.
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*
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* Revision 1.3 1997/11/25 19:25:35 curt
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* Changes to integrate Durk's moon/sun code updates + clean up.
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*
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* Revision 1.2 1997/10/25 03:24:23 curt
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* Incorporated sun, moon, and star positioning code contributed by Durk Talsma.
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*
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* Revision 1.1 1997/10/25 03:16:09 curt
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* Initial revision of code contributed by Durk Talsma.
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*
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*/
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