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/*
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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_ASTRO_BLACKBODY_HPP
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#define ANTKEEPER_ASTRO_BLACKBODY_HPP
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#include "utility/fundamental-types.hpp"
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namespace astro
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{
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/**
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* Calculates the color of an ideal black-body radiator, given its temperature in Kelvin.
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*
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* @param t Temperature, in Kelvin.
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* @return Correlated color, in linear RGB space.
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*
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* @see https://en.wikipedia.org/wiki/Planckian_locus
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* @see https://en.wikipedia.org/wiki/CIE_1960_color_space
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* @see https://google.github.io/filament/Filament.html
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*/
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double3 blackbody(double t);
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} // namespace astro
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#endif // ANTKEEPER_ASTRO_BLACKBODY_HPP
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