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frustum.h

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00001 /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*-
00002 
00003    this file is part of rcssserver3D
00004    Fri May 9 2003
00005    Copyright (C) 2002,2003 Koblenz University
00006    Copyright (C) 2003 RoboCup Soccer Server 3D Maintenance Group
00007    $Id: frustum.h,v 1.5 2003/11/14 14:05:54 fruit Exp $
00008 
00009    This program is free software; you can redistribute it and/or modify
00010    it under the terms of the GNU General Public License as published by
00011    the Free Software Foundation; version 2 of the License.
00012 
00013    This program is distributed in the hope that it will be useful,
00014    but WITHOUT ANY WARRANTY; without even the implied warranty of
00015    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016    GNU General Public License for more details.
00017 
00018    You should have received a copy of the GNU General Public License
00019    along with this program; if not, write to the Free Software
00020    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00021 
00022    NOTE:
00023 
00024    HISTORY:
00025    11.06.01 - MK
00026    - Initial version
00027    23.03.02 - MK
00028    - Intersection/Inclusion-tests
00029 
00030    TODO:
00031    - Create frustum from a (view)point and a polygon
00032    - Create a view frustum given field-of-views
00033 
00034    TOFIX:
00035 */
00036 #ifndef SALT_FRUSTUM_H
00037 #define SALT_FRUSTUM_H
00038 
00039 #include "defines.h"
00040 #include "plane.h"
00041 #include "bounds.h"
00042 
00043 namespace salt
00044 {
00045 
00050 class Frustum
00051 {
00052 // Members
00053 public:
00055     enum ePlaneID
00056     {
00057         PI_NEAR         = 0,
00058         PI_LEFT         = 1,
00059         PI_RIGHT        = 2,
00060         PI_FAR          = 3,
00061         PI_BOTTOM       = 4,
00062         PI_TOP          = 5
00063     };
00064 
00066     enum eFrustumSide
00067     {
00068         FS_INSIDE  = 0,
00069         FS_OUTSIDE = 1,
00070         FS_SPLIT   = 2
00071     };
00072 
00074     Vector3f    mBasePos;
00075 
00077     Plane               mPlanes[6];
00078 
00079 // Methods
00080 public:
00082     void Dump() const;
00083 
00091     void Set(const Matrix& worldTransform, float fov=60.0f, float zNear=0.1f, float zFar=2000.0f, float aspect=0.75f);
00092 
00097     eFrustumSide Intersects(const AABB3& bb) const;
00098 };
00099 
00100 } // namespace salt
00101 
00102 #endif //SALT_FRUSTUM_H

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