💿🐜 Antkeeper source code https://antkeeper.com
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/*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef ANTKEEPER_ENTITY_SYSTEM_ATMOSPHERE_HPP
#define ANTKEEPER_ENTITY_SYSTEM_ATMOSPHERE_HPP
#include "entity/systems/updatable.hpp"
#include "entity/id.hpp"
#include "utility/fundamental-types.hpp"
#include "entity/components/atmosphere.hpp"
namespace entity {
namespace system {
/**
* Updates variables related to atmospheric scattering.
*/
class atmosphere:
public updatable
{
public:
atmosphere(entity::registry& registry);
virtual void update(double t, double dt);
/**
* Sets the wavelengths of red, green, and blue light.
*
* @param wavelengths Vector containing the wavelengths of red (x), green (y), and blue (z) light, in nanometers.
*/
void set_rgb_wavelengths(const double3& wavelengths);
private:
void update_coefficients(entity::id entity_id);
void on_atmosphere_construct(entity::registry& registry, entity::id entity_id, entity::component::atmosphere& atmosphere);
void on_atmosphere_replace(entity::registry& registry, entity::id entity_id, entity::component::atmosphere& atmosphere);
double3 rgb_wavelengths_nm;
double3 rgb_wavelengths_m;
};
} // namespace system
} // namespace entity
#endif // ANTKEEPER_ENTITY_SYSTEM_ATMOSPHERE_HPP