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frustum.h

00001 /*
00002  *  AE Engine
00003  *
00004  *  Copyright (C) 2003 Riku "Rakkis" Nurminen
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; either version 2 of the License, or
00009  *  (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00019  *
00020  */
00021 
00022 #ifndef __AELIB_AEENGINE_FRUSTUMCULLER_H__
00023 #define __AELIB_AEENGINE_FRUSTUMCULLER_H__
00024 
00025 #define ONLY_INCLUDE_STD
00026 #include <aedefs.h>
00027 #undef ONLY_INCLUDE_STD
00028 #include <aegeom/vector3.h>
00029 #include <aereg/base.h>
00030 
00035 class aeFrustumCuller: public aeBase {
00036         AECF_CNDEF
00037 
00038  private:
00039         float frustum[6][4];
00040 
00041  public:
00042         aeFrustumCuller();
00043         ~aeFrustumCuller();
00044 
00049         void extractFrustum();
00050 
00058         bool pointInFrustum(aeVector3 point);
00059 
00068         bool sphereInFrustum(aeVector3 center, float radius);
00069 
00078         bool cubeInFrustum(aeVector3 center, float size);
00079 };
00080 
00081 #endif // __AELIB_AEENGINE_FRUSTUMCULLER_H__

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