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/>.
*
* Copyright 2011-2012 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 {
struct matrix {
double values[4][4];
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void scale (double x, double y, double z);
void translate (double x, double y, double z);
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matrix inverse (void) const;
matrix& invert (void);
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matrix operator* (const matrix&) 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 IDENTITY;
static const matrix ZEROES;
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};
}
std::ostream& operator<< (std::ostream&, const util::matrix&);
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#endif