particle_system.h

#pragma once
 
#include "core/math/random.h"
#include "core/system.h"
#include "system/particle/live_particles.h"
 
namespace Vkm::Engine {

class ParticleSystem : public System {
    public:
        ParticleSystem() = default;
        ~ParticleSystem() override = default;
 
        ParticleSystem(const ParticleSystem& other) = delete;
        ParticleSystem& operator=(const ParticleSystem& other) = delete;
 
        ParticleSystem(ParticleSystem && other) = delete;
        ParticleSystem& operator=(ParticleSystem && other) = delete;
 
    public:
        void update(FrameContext& ctx) override;
 
    private:
        static constexpr uint64_t SEED = 0x9E3779B97F4A7C15ULL;  
 
    private:
        Math::Rng m_rng{SEED};
 
        LiveParticles m_live;
        uint64_t      m_step  = 0;  
        uint64_t      m_epoch = 0;  
};
 
} // namespace Vkm::Engine