💿🐜 Antkeeper source code
https://antkeeper.com
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86 lines
2.1 KiB
86 lines
2.1 KiB
/*
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* Copyright (C) 2017-2019 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 PARTICLE_SYSTEM_HPP
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#define PARTICLE_SYSTEM_HPP
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#include "../components/model-component.hpp"
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#include "../components/transform-component.hpp"
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#include "../entity-group.hpp"
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#include "../system.hpp"
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#include <emergent/emergent.hpp>
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using namespace Emergent;
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#include <stack>
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class ParticleSystem:
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public System
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{
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public:
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ParticleSystem(ComponentManager* componentManager);
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~ParticleSystem();
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void setMaterial(Material* material);
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void setParticleCount(std::size_t count);
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void setDirection(const Vector3& direction);
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void setLifeTime(float time);
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void setEmissionRate(float frequency);
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const BillboardBatch* getBillboardBatch() const;
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BillboardBatch* getBillboardBatch();
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void resize(std::size_t count);
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virtual void update(float t, float dt);
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void emit(const Vector3& position);
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private:
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struct Particle
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{
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Vector3 translation;
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float size;
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float life;
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float speed;
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Vector3 direction;
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};
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BillboardBatch batch;
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BillboardBatch::Range* range;
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Material* material;
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std::vector<Particle> particles;
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Vector3 direction;
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float lifeTime;
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float emissionRate;
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std::stack<std::size_t> stack;
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};
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inline const BillboardBatch* ParticleSystem::getBillboardBatch() const
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{
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return &batch;
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}
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inline BillboardBatch* ParticleSystem::getBillboardBatch()
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{
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return &batch;
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}
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#endif // PARTICLE_SYSTEM_HPP
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