💿🐜 Antkeeper source code
https://antkeeper.com
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51 lines
1.5 KiB
51 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_ENTITY_COMPONENT_CELESTIAL_BODY_HPP
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#define ANTKEEPER_ENTITY_COMPONENT_CELESTIAL_BODY_HPP
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namespace entity {
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namespace component {
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/// A simple celestial body.
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struct celestial_body
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{
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/// Mean radius of the body, in meters.
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double radius;
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/// Mass of the body, in kilograms.
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double mass;
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/// Right ascension of the body's north pole at epoch, in radians.
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double pole_ra;
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/// Declination of the body's north pole at epoch, in radians.
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double pole_dec;
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/// Location of the prime meridian at epoch, as a rotation about the north pole, in radians.
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double prime_meridian;
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/// Sidereal rotation period, in rotations per day.
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double rotation_period;
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};
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} // namespace component
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} // namespace entity
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#endif // ANTKEEPER_ENTITY_COMPONENT_CELESTIAL_BODY_HPP
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