GridEmitterSet2.h

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/*************************************************************************
> File Name: GridEmitterSet2.h
> Project Name: CubbyFlow
> Author: Chan-Ho Chris Ohk
> Purpose: 2-D grid-based emitter set.
> Created Time: 2017/08/06
> Copyright (c) 2018, Chan-Ho Chris Ohk
*************************************************************************/
#ifndef CUBBYFLOW_GRID_EMITTER_SET2_H
#define CUBBYFLOW_GRID_EMITTER_SET2_H

#include <Core/Emitter/GridEmitter2.h>

#include <vector>

namespace CubbyFlow
{
    class GridEmitterSet2 final : public GridEmitter2
    {
    public:
        class Builder;

        GridEmitterSet2();

        explicit GridEmitterSet2(const std::vector<GridEmitter2Ptr>& emitters);

        virtual ~GridEmitterSet2();

        void AddEmitter(const GridEmitter2Ptr& emitter);

        static Builder GetBuilder();

    private:
        std::vector<GridEmitter2Ptr> m_emitters;

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

    using GridEmitterSet2Ptr = std::shared_ptr<GridEmitterSet2>;
    
    class GridEmitterSet2::Builder final
    {
    public:
        Builder& WithEmitters(const std::vector<GridEmitter2Ptr>& emitters);

        GridEmitterSet2 Build() const;

        GridEmitterSet2Ptr MakeShared() const;

    private:
        std::vector<GridEmitter2Ptr> m_emitters;
    };
}

#endif