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extremetuxracer  0.5beta
viewfrustum.h
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00001 /* 
00002  * PPRacer 
00003  * Copyright (C) 2004-2005 Volker Stroebel <volker@planetpenguin.de>
00004  * 
00005  * Copyright (C) 1999-2001 Jasmin F. Patry
00006  * 
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  * 
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00020  */
00021 
00022 #ifndef _VIEWFRUSTUM_H_
00023 #define _VIEWFRUSTUM_H_
00024 
00025 #include "pp_types.h"
00026 
00027 #include "player.h"
00028 
00029 #include "ppgltk/alg/plane.h"
00030 
00031 typedef enum {
00032     NoClip,
00033     SomeClip,
00034     NotVisible
00035 } clip_result_t;
00036 
00037 void setup_view_frustum( Player& plyr, double near, double far );
00038 
00039 clip_result_t clip_aabb_to_view_frustum( const pp::Vec3d& min, const pp::Vec3d& max );
00040 
00041 pp::Plane get_far_clip_plane();
00042 pp::Plane get_left_clip_plane();
00043 pp::Plane get_right_clip_plane();
00044 pp::Plane get_bottom_clip_plane();
00045  
00046 #endif /* _VIEWFRUSTUM_H_ */