Quaternion.h

// @Begin License@
// This file is part of Coldest.
//
// Coldest 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 3 of the License, or
// (at your option) any later version.
//
// Coldest 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 Coldest.  If not, see <http://www.gnu.org/licenses/>.
//
// Copyright 2008-2012 Ben Nemec
// @End License@


#ifndef __QUATERNION
#define __QUATERNION

#include "Vector3.h"
#include "GraphicMatrix.h"

class Quaternion
{
   public:
      Quaternion();
      Quaternion(Vector3, float);
      Quaternion operator*(Quaternion);
      void operator*=(Quaternion);
      Quaternion operator+(Quaternion);
      void operator+=(Quaternion);
      void rotate(Vector3, float);
      GraphicMatrix matrix();
      
      Vector3 v;
      float w;
      
   private:
      float pi;
      
};

#endif