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//
// glgrav - OpenGL N-Body gravity simulator
//
// Copyright (C) 2003 Ian Cowburn (ianc@noddybox.demon.co.uk)
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// -------------------------------------------------------------------------
//
// 3D Vector
//
// $Id$
//
#ifndef VEC3D_H
#define VEC3D_H
#include "global.h"
class Vec3D
{
public:
Vec3D();
Vec3D(double dx, double dy, double dz);
virtual ~Vec3D();
void Set(double dx, double dy ,double dz);
double dx() const;
double dy() const;
double dz() const;
bool IsNull() const;
double Length() const;
void Normalise();
void SetLength(double d);
void AddScalar(double d);
void Minus();
void Scale(double d);
void Add(const Vec3D& v);
void Subtract(const Vec3D& v);
void Scale(const Vec3D& v);
double DotProduct(const Vec3D& v);
Vec3D CrossProduct(const Vec3D& v);
private:
double m_dx;
double m_dy;
double m_dz;
};
#endif
// END OF FILE //
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