52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2011-2012 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_MATRIX_HPP
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#define __UTIL_MATRIX_HPP
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#include "point.hpp"
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#include <iostream>
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namespace util {
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struct matrix {
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double values[4][4];
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void scale (double x, double y, double z);
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void translate (double x, double y, double z);
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matrix inverse (void) const;
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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;
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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;
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static const matrix ZEROES;
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};
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}
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std::ostream& operator<< (std::ostream&, const util::matrix&);
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#endif
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