1 /**************************************************************************
4 * Written 1997 by Durk Talsma, started October, 1997. For the flight gear
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 * (Log is kept at end of this file)
23 **************************************************************************/
30 extern fgSUNPOS solarPosition;
33 void fgCalcSunPos (struct OrbElements sunParams);
34 extern struct OrbElements pltOrbElements[9];
36 /* Initialize the Sun */
37 void fgSunInit( void );
40 void fgSunRender( void );
47 /* Revision 1.5 1998/03/09 22:47:26 curt
48 /* Incorporated Durk's updates.
50 * Revision 1.4 1998/02/23 19:07:57 curt
51 * Incorporated Durk's Astro/ tweaks. Includes unifying the sun position
52 * calculation code between sun display, and other FG sections that use this
53 * for things like lighting.
55 * Revision 1.3 1998/01/22 02:59:29 curt
56 * Changed #ifdef FILE_H to #ifdef _FILE_H
58 * Revision 1.2 1998/01/19 18:40:19 curt
59 * Tons of little changes to clean up the code and to remove fatal errors
60 * when building with the c++ compiler.
62 * Revision 1.1 1998/01/07 03:16:21 curt
63 * Moved from .../Src/Scenery/ to .../Src/Astro/
65 * Revision 1.3 1997/12/11 04:43:56 curt
66 * Fixed sun vector and lighting problems. I thing the moon is now lit
69 * Revision 1.2 1997/11/25 19:25:39 curt
70 * Changes to integrate Durk's moon/sun code updates + clean up.
72 * Revision 1.1 1997/10/25 03:16:12 curt
73 * Initial revision of code contributed by Durk Talsma.