//
//  ExternalForcesModule.h
//  libcocos2d Mac
//
//  Created by 徐俊杰 on 2020/4/24.
//

#ifndef ExternalForcesModule_h
#define ExternalForcesModule_h

//#include "cocos2d.h"
#include "rparticle/Macros/RParticleMacros.h"
#include "rparticle/Modules/ParticleSystemModule.h"

NS_RRP_BEGIN

class ExternalForcesModule : public ParticleSystemModule
{
public:
    DECLARE_MODULE (ExternalForcesModule)
    ExternalForcesModule ();
    
    void Update (const ParticleSystemReadOnlyState& roState, const ParticleSystemState& state, ParticleSystemParticles& ps, const size_t fromIndex, const size_t toIndex, float dt);
    void CheckConsistency() {};
    
    static void AllocateAndCache(const ParticleSystemReadOnlyState& roState, ParticleSystemState& state);
    static void FreeCache(ParticleSystemState& state);
    
    template<class TransferFunction>
    void Transfer (TransferFunction& transfer);
    
    void SetMultiplier(float multiplier) { m_Multiplier = multiplier; }
    float GetMultiplier() const { return m_Multiplier; }

private:
    float m_Multiplier;
};

NS_RRP_END

#endif /* ExternalForcesModule_h */