00001 00002 /* 00003 TEDDY - General graphics application library 00004 Copyright (C) 1999-2002 Timo Suoranta 00005 tksuoran@cc.helsinki.fi 00006 00007 This library is free software; you can redistribute it and/or 00008 modify it under the terms of the GNU Lesser General Public 00009 License as published by the Free Software Foundation; either 00010 version 2.1 of the License, or (at your option) any later version. 00011 00012 This library 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 GNU 00015 Lesser General Public License for more details. 00016 00017 You should have received a copy of the GNU Lesser General Public 00018 License along with this library; if not, write to the Free Software 00019 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00020 00021 $Id: Plane.h,v 1.5 2002/01/22 19:30:05 tksuoran Exp $ 00022 */ 00023 00024 00025 #ifndef TEDDY__MATHS__PLANE_H 00026 #define TEDDY__MATHS__PLANE_H 00027 00028 00029 #include "Teddy/Maths/Vector.h" 00030 #include "Teddy/Maths/Vector4.h" 00031 00032 00033 namespace Teddy { 00034 namespace Maths { 00035 00036 00038 class Plane : public Vector4 { 00039 public: 00040 Plane(){} 00041 Plane( const float a, const float b, const float c, const float d ):Vector4(a,b,c,d){} 00042 00043 void neg (); 00044 double distance ( const Vector &p ) const; 00045 Plane &operator= ( const Vector &v ); 00046 Plane &operator= ( const Vector4 &v ); 00047 Vector getNormal () const; 00048 double getConstant() const; 00049 }; 00050 00051 00052 }; // namespace Maths 00053 }; // namespace Teddy 00054 00055 00056 #endif // TEDDY__MATHS__PLANE_H 00057