💿🐜 Antkeeper source code
https://antkeeper.com
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59 lines
1.5 KiB
59 lines
1.5 KiB
/*
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* Copyright (C) 2021 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code 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
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* GNU General Public License for more 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 Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ANTKEEPER_GEOM_RAY_HPP
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#define ANTKEEPER_GEOM_RAY_HPP
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#include "math/math.hpp"
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namespace geom {
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/**
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* Half of a line proceeding from an initial point.
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*/
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template <class T>
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struct ray
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{
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typedef math::vector<T, 3> vector_type;
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/// Origin of the ray.
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vector_type origin;
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/// Normalized direction vector of the ray.
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vector_type direction;
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/**
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* Extrapolates from the ray origin along the ray direction vector.
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*
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* @param distance Distance to extrapolate.
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* @return Extrapolated coordinates.
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*/
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vector_type extrapolate(T distance) const;
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};
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template <class T>
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inline typename ray<T>::vector_type ray<T>::extrapolate(T distance) const
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{
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return origin + direction * distance;
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}
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} // namespace geom
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#endif // ANTKEEPER_GEOM_RAY_HPP
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