💿🐜 Antkeeper source code
https://antkeeper.com
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49 lines
1.7 KiB
49 lines
1.7 KiB
/*
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* Copyright (C) 2023 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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#include "game/systems/metabolic-system.hpp"
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#include "game/components/isometric-growth-component.hpp"
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#include "game/components/rigid-body-component.hpp"
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#include <execution>
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metabolic_system::metabolic_system(entity::registry& registry):
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updatable_system(registry)
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{}
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void metabolic_system::update(float t, float dt)
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{
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// Scale timestep
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const auto scaled_timestep = dt * m_time_scale;
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// Handle isometric growth
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auto isometric_growth_group = registry.group<isometric_growth_component>(entt::get<rigid_body_component>);
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std::for_each
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(
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std::execution::seq,
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isometric_growth_group.begin(),
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isometric_growth_group.end(),
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[&](auto entity_id)
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{
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auto& growth = isometric_growth_group.get<isometric_growth_component>(entity_id);
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auto& rigid_body = *isometric_growth_group.get<rigid_body_component>(entity_id).body;
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rigid_body.set_scale(rigid_body.get_scale() + growth.rate * scaled_timestep);
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}
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);
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}
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