ParticleEmitterSet2.h

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/*************************************************************************
> File Name: ParticleEmitterSet2.h
> Project Name: CubbyFlow
> Author: Chan-Ho Chris Ohk
> Purpose: 2-D particle-based emitter set.
> Created Time: 2017/05/10
> Copyright (c) 2018, Chan-Ho Chris Ohk
*************************************************************************/
#ifndef CUBBYFLOW_PARTICLE_EMITTER_SET2_H
#define CUBBYFLOW_PARTICLE_EMITTER_SET2_H

#include <Core/Emitter/ParticleEmitter2.h>

namespace CubbyFlow
{
    class ParticleEmitterSet2 final : public ParticleEmitter2
    {
    public:
        class Builder;

        ParticleEmitterSet2();

        explicit ParticleEmitterSet2(const std::vector<ParticleEmitter2Ptr>& emitters);

        virtual ~ParticleEmitterSet2();

        void AddEmitter(const ParticleEmitter2Ptr& emitter);

        static Builder GetBuilder();

    private:
        std::vector<ParticleEmitter2Ptr> m_emitters;

        void OnSetTarget(const ParticleSystemData2Ptr& particles) override;

        void OnUpdate(double currentTimeInSeconds, double timeIntervalInSecond) override;
    };

    using ParticleEmitterSet2Ptr = std::shared_ptr<ParticleEmitterSet2>;

    class ParticleEmitterSet2::Builder final
    {
    public:
        Builder& WithEmitters(const std::vector<ParticleEmitter2Ptr>& emitters);

        ParticleEmitterSet2 Build() const;

        ParticleEmitterSet2Ptr MakeShared() const;

    private:
        std::vector<ParticleEmitter2Ptr> m_emitters;
    };
}

#endif