/*
* Copyright (C) 2021 Christopher J. Howard
*
* This file is part of Antkeeper source code.
*
* Antkeeper source code 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.
*
* Antkeeper source code 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 Antkeeper source code. If not, see .
*/
#ifndef ANTKEEPER_GEOM_SPHERICAL_HPP
#define ANTKEEPER_GEOM_SPHERICAL_HPP
#include "utility/fundamental-types.hpp"
#include
namespace geom {
/// Functions which operate on spherical coordinates.
namespace spherical {
/**
* Converts spherical coordinates to Cartesian (rectangular) coordinates.
*
* @param v Spherical coordinates, in the ISO order of radial distance, polar angle (radians), and azimuthal angle (radians).
* @return Cartesian coordinates.
*
* @see geom::coordinates::cartesian
*/
template
math::vector3 to_cartesian(const math::vector3& v);
template
math::vector3 to_cartesian(const math::vector3& v)
{
const T x = v[0] * std::cos(v[1]);
return math::vector3
{
x * std::cos(v[2]),
x * std::sin(v[2]),
v[0] * std::sin(v[1]),
};
}
} // namespace spherical
} // namespace geom
#endif // ANTKEEPER_GEOM_SPHERICAL_HPP