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Matrix.hpp

/*      Matrix.hpp - Morpheous
 *
 *  $Header: /home/aldon/cvs/Morpheous/include/Matrix.hpp,v 1.3 2003/08/21 02:01:27 aldon Exp $
 *
 *  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 Library 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.
 */


#ifndef __MATRIX_HPP__
#define __MATRIX_HPP__


#include "Vector.hpp"

enum Axis{X_AXIS, Y_AXIS, Z_AXIS};


class Matrix
{
private:
    float elements[4][4];

    float det() const;

    void elementaryOperation1(int i, int j);

    void elementaryOperation2(int row, float factor);

    void elementaryOperation3(int i, int j, float factor);

public:
    
    float getElement(int i, int j) const;

    void setElement(int i, int j, float value);
    
    void identity();
    
    
    Vector operator*(const Vector& v) const;

    Matrix operator*(const Matrix& m) const;
    

    Matrix invert() const;


    static Matrix rotation(Axis axis, float angle);


    static Matrix translation(const Vector& v);
    
    static Matrix scale(const Vector& v);
};


#endif // __MATRIX_HPP__

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