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extremetuxracer  0.5beta
vec3d.h
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00001 /*
00002  * PPGLTK
00003  *
00004  * Copyright (C) 2004-2005 Volker Stroebel <volker@planetpenguin.de>
00005  * 
00006  * This program is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU General Public License
00008  * as published by the Free Software Foundation; either version 2
00009  * of the License, or (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 #ifndef _PP_VEC3D_H
00022 #define _PP_VEC3D_H
00023 
00025 namespace pp {
00026 
00028 class Vec3d
00029 {
00030 public:
00031        Vec3d();
00032        Vec3d(const double x, const double y, const double z);
00033        Vec3d(const double *v);     
00034 
00035        double x;
00036        double y;
00037        double z;
00038               
00039        double normalize();
00040        double length() const;
00041        double length2() const;
00042 
00043        friend Vec3d operator+(const Vec3d& vec1,const Vec3d& vec2);
00044        friend Vec3d operator-(const Vec3d& vec1,const Vec3d& vec2);
00045        friend Vec3d operator*(const Vec3d& vec, const double scalar);
00046        friend Vec3d operator*(const double scalar, const Vec3d& vec);
00047        friend double operator*(const Vec3d& vec1,const Vec3d& vec2);
00048        friend Vec3d operator^(const Vec3d& vec1,const Vec3d& vec2);
00049 };
00050 
00051 
00052 } //namespace pp
00053 
00054 #endif /* _PP_VEC3D_H */