1 // sky.hxx -- model sky with an upside down "bowl"
3 // Written by Curtis Olson, started December 1997.
5 // Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
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)
30 # error This library requires C++
34 // (Re)generate the display list
35 void fgSkyInit( void );
37 // (Re)calculate the sky colors at each vertex
38 void fgSkyColorsInit( void );
41 void fgSkyRender( void );
48 // Revision 1.2 1998/10/16 23:27:19 curt
51 // Revision 1.1 1998/04/22 13:21:33 curt
52 // C++ - ifing the code a bit.
54 // Revision 1.4 1998/04/21 17:02:32 curt
55 // Prepairing for C++ integration.
57 // Revision 1.3 1998/01/22 02:59:28 curt
58 // Changed #ifdef FILE_H to #ifdef _FILE_H
60 // Revision 1.2 1998/01/19 18:40:17 curt
61 // Tons of little changes to clean up the code and to remove fatal errors
62 // when building with the c++ compiler.
64 // Revision 1.1 1998/01/07 03:16:19 curt
65 // Moved from .../Src/Scenery/ to .../Src/Astro/
67 // Revision 1.2 1997/12/22 23:45:49 curt
68 // First stab at sunset/sunrise sky glow effects.
70 // Revision 1.1 1997/12/17 23:14:31 curt
72 // Begin work on rendering the sky. (Rather than just using a clear screen.)