FLIPSolver2.h

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/*************************************************************************
> File Name: FLIPSolver2.h
> Project Name: CubbyFlow
> Author: Chan-Ho Chris Ohk
> Purpose: 2-D Fluid-Implicit Particle (FLIP) implementation.
> Created Time: 2017/09/13
> Copyright (c) 2018, Chan-Ho Chris Ohk
*************************************************************************/
#ifndef CUBBYFLOW_FLIP_SOLVER2_H
#define CUBBYFLOW_FLIP_SOLVER2_H

#include <Core/Solver/Hybrid/PIC/PICSolver2.h>

namespace CubbyFlow
{
    class FLIPSolver2 : public PICSolver2
    {
    public:
        class Builder;

        FLIPSolver2();

        FLIPSolver2(
            const Size2& resolution,
            const Vector2D& gridSpacing,
            const Vector2D& gridOrigin);

        virtual ~FLIPSolver2();

        double GetPICBlendingFactor() const;

        void SetPICBlendingFactor(double factor);

        static Builder GetBuilder();

    protected:
        void TransferFromParticlesToGrids() override;

        void TransferFromGridsToParticles() override;

    private:
        double m_picBlendingFactor = 0.0;
        Array2<float> m_uDelta;
        Array2<float> m_vDelta;
    };

    using FLIPSolver2Ptr = std::shared_ptr<FLIPSolver2>;
    
    class FLIPSolver2::Builder final : public GridFluidSolverBuilderBase2<FLIPSolver2::Builder>
    {
    public:
        FLIPSolver2 Build() const;

        FLIPSolver2Ptr MakeShared() const;
    };
}

#endif