libcruft-util/matrix.hpp

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/*
* This file is part of libgim.
*
* libgim 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.
*
* libgim 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 libgim. If not, see <http://www.gnu.org/licenses/>.
*
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* Copyright 2011-2014 Danny Robson <danny@nerdcruft.net>
*/
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#ifndef __UTIL_MATRIX_HPP
#define __UTIL_MATRIX_HPP
#include "point.hpp"
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#include <iostream>
namespace util {
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template <typename T>
struct matrix {
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T values[4][4];
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void scale (T x, T y, T z);
void translate (T x, T y, T z);
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matrix<T> inverse (void) const;
matrix<T>& invert (void);
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matrix<T> operator* (const matrix<T>&) const;
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point<3> to_local (const point<3> &p) const;
point<3> to_global (const point<3> &p) const;
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bool is_affine (void) const;
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static const matrix<T> IDENTITY;
static const matrix<T> ZEROES;
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};
}
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template <typename T>
std::ostream& operator<< (std::ostream&, const util::matrix<T>&);
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#endif