ParticleEmitter3.h

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/*************************************************************************
> File Name: ParticleEmitter3.h
> Project Name: CubbyFlow
> Author: Chan-Ho Chris Ohk
> Purpose: Abstract base class for 3-D particle emitter.
> Created Time: 2017/05/10
> Copyright (c) 2018, Chan-Ho Chris Ohk
*************************************************************************/
#ifndef CUBBYFLOW_PARTICLE_EMITTER3_H
#define CUBBYFLOW_PARTICLE_EMITTER3_H

#include <Core/Particle/ParticleSystemData3.h>

namespace CubbyFlow
{
    class ParticleEmitter3
    {
    public:
        using OnBeginUpdateCallback = std::function<void(ParticleEmitter3*, double, double)>;

        ParticleEmitter3();

        virtual ~ParticleEmitter3();

        void Update(double currentTimeInSeconds, double timeIntervalInSeconds);

        const ParticleSystemData3Ptr& GetTarget() const;

        void SetTarget(const ParticleSystemData3Ptr& particles);

        void SetOnBeginUpdateCallback(const OnBeginUpdateCallback& callback);

    protected:
        virtual void OnSetTarget(const ParticleSystemData3Ptr& particles);

        virtual void OnUpdate(double currentTimeInSeconds, double timeIntervalInSeconds) = 0;

    private:
        ParticleSystemData3Ptr m_particles;
        OnBeginUpdateCallback m_onBeginUpdateCallback;
    };

    using ParticleEmitter3Ptr = std::shared_ptr<ParticleEmitter3>;
}

#endif