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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// 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, 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.
// $Id: TransformMatrix.hpp,v 1.2 2003/05/04 18:09:01 delpinux Exp $
#ifndef TRANSFORMMATRIX
#define TRANSFORMMATRIX
#include <Transform.hpp>
#include <TinyVector.hpp>
#include <TinyMatrix.hpp>
/*!
\class TransformMatrix
This class defines a 3x4 matrix using the same description that \p POV-Ray.
\author Stphane Del Pino
*/
class TransformMatrix
: public Transform
{
private:
//! TransformMatrix translation as given in POV-Ray.
TinyVector<3> __translate;
/*! The inverse of the transformMatrix is stored in the matrix. This way one can
know if a vertex is the image of a vertex contained in a base shape ; so,
if a vertex is in the image of shape!
*/
TinyMatrix<3,3> __matrix;
TinyMatrix<3,3> __invMatrix;
public:
//! Applies the TransformMatrix to a vector \a v.
TinyVector<3>& operator()(TinyVector<3>& v) const;
//! Applies the inverse TransformMatrix to a vector \a v.
TinyVector<3>& inverse(TinyVector<3>& v) const;
//! Prints TransformMatrix informations to a std::string.
std::string povWrite() const;
//! Default constructor.
TransformMatrix();
//! Constructs a TransformMatrix for a set of given angles passed by \a r.
TransformMatrix(const real_t r[12]);
//! Copy constructor.
TransformMatrix(const TransformMatrix& r);
//! Destrutor
~TransformMatrix()
{
;
}
};
#endif // ROTATION
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