1997-08-27 03:34:48 +00:00
|
|
|
/**************************************************************************
|
|
|
|
|
* stars.h -- data structures and routines for managing and rendering stars.
|
|
|
|
|
*
|
|
|
|
|
* Written by Curtis Olson, started August 1997.
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
|
|
|
|
|
*
|
|
|
|
|
* 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 STARS_H
|
|
|
|
|
#define STARS_H
|
|
|
|
|
|
|
|
|
|
|
1997-09-05 01:35:53 +00:00
|
|
|
#define FG_MAX_STARS 500
|
1997-09-18 16:20:08 +00:00
|
|
|
#define FG_STAR_LEVELS 4 /* how many star transitions */
|
1997-09-05 01:35:53 +00:00
|
|
|
#define FG_MIN_STAR_MAG 0.738750 /* magnitude of weakest star we'll display */
|
1997-08-27 03:34:48 +00:00
|
|
|
|
|
|
|
|
/* Initialize the Star Management Subsystem */
|
|
|
|
|
void fgStarsInit();
|
|
|
|
|
|
|
|
|
|
/* Draw the Stars */
|
|
|
|
|
void fgStarsRender();
|
1997-10-25 03:18:26 +00:00
|
|
|
extern struct OrbElements pltOrbElements[9];
|
|
|
|
|
extern struct fgTIME cur_time_params;
|
1997-08-27 03:34:48 +00:00
|
|
|
|
|
|
|
|
#endif /* STARS_H */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* $Log$
|
1997-10-25 03:18:26 +00:00
|
|
|
/* Revision 1.6 1997/10/25 03:18:29 curt
|
|
|
|
|
/* Incorporated sun, moon, and planet position and rendering code contributed
|
|
|
|
|
/* by Durk Talsma.
|
1997-08-27 03:34:48 +00:00
|
|
|
/*
|
1997-10-25 03:18:26 +00:00
|
|
|
* Revision 1.5 1997/09/18 16:20:09 curt
|
|
|
|
|
* At dusk/dawn add/remove stars in stages.
|
|
|
|
|
*
|
1997-09-18 16:20:08 +00:00
|
|
|
* Revision 1.4 1997/09/05 01:36:00 curt
|
|
|
|
|
* Working on getting stars right.
|
|
|
|
|
*
|
1997-09-05 01:35:53 +00:00
|
|
|
* Revision 1.3 1997/08/29 17:55:28 curt
|
|
|
|
|
* Worked on properly aligning the stars.
|
|
|
|
|
*
|
1997-08-29 17:55:27 +00:00
|
|
|
* Revision 1.2 1997/08/27 21:32:30 curt
|
|
|
|
|
* Restructured view calculation code. Added stars.
|
|
|
|
|
*
|
1997-08-27 21:32:23 +00:00
|
|
|
* Revision 1.1 1997/08/27 03:34:50 curt
|
1997-08-29 17:55:27 +00:00
|
|
|
* Initial revision.
|
1997-08-27 21:32:23 +00:00
|
|
|
*
|
1997-08-27 03:34:48 +00:00
|
|
|
*/
|
