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68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
/* Residual - A 3D game interpreter
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*
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* Residual is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* $URL$
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* $Id$
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*/
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#ifndef MATH_SQUAREMATRIX_H
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#define MATH_SQUAREMATRIX_H
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#include "math/matrix.h"
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#include "math/vector.h"
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namespace Math {
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/**
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* \class MatrixType<dim, dim>
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* This specialization of MatrixType defines some new methods for square
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* matrices.
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*/
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template<int dim>
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class MatrixType<dim, dim> : public MatrixBase<dim, dim> {
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public:
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inline void setToIdentity() { *this = 1.f; }
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inline void transformVector(Vector(dim) *vec) const {
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*vec = this->getThis() * *vec;
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}
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Matrix<dim, dim> &operator=(float i);
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protected:
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MatrixType() : MatrixBase<dim, dim>() { setToIdentity(); }
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MatrixType(float *data) : MatrixBase<dim, dim>(data) { }
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MatrixType(const MatrixBase<dim, dim> &m) : MatrixBase<dim, dim>(m) { }
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};
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template<int dim>
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Matrix<dim, dim> &MatrixType<dim, dim>::operator=(float i) {
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for (int row = 0; row < dim; ++row) {
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for (int col = 0; col < dim; ++col) {
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this->setValue(row, col, (row == col ? i : 0.f));
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}
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}
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return this->getThis();
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}
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}
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#endif
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