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/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef MATH_SQUAREMATRIX_H
#define MATH_SQUAREMATRIX_H
#include "math/matrix.h"
#include "math/vector.h"
namespace Math {
/**
* \class MatrixType<dim, dim>
* This specialization of MatrixType defines some new methods for square
* matrices.
*/
template<int dim>
class MatrixType<dim, dim> : public MatrixBase<dim, dim> {
public:
inline void setToIdentity() { *this = 1.f; }
inline void transformVector(Vector(dim) *vec) const {
*vec = this->getThis() * *vec;
}
Matrix<dim, dim> &operator=(float i);
protected:
MatrixType() : MatrixBase<dim, dim>() { setToIdentity(); }
MatrixType(float *data) : MatrixBase<dim, dim>(data) { }
MatrixType(const MatrixBase<dim, dim> &m) : MatrixBase<dim, dim>(m) { }
};
template<int dim>
Matrix<dim, dim> &MatrixType<dim, dim>::operator=(float i) {
for (int row = 0; row < dim; ++row) {
for (int col = 0; col < dim; ++col) {
this->setValue(row, col, (row == col ? i : 0.f));
}
}
return this->getThis();
}
}
#endif
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