FMMLevelSetSolver2.hpp

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// This code is based on Jet framework.
// Copyright (c) 2018 Doyub Kim
// CubbyFlow is voxel-based fluid simulation engine for computer games.
// Copyright (c) 2020 CubbyFlow Team
// Core Part: Chris Ohk, Junwoo Hwang, Jihong Sin, Seungwoo Yoo
// AI Part: Dongheon Cho, Minseo Kim
// We are making my contributions/submissions to this project solely in our
// personal capacity and are not conveying any rights to any intellectual
// property of any third parties.

#ifndef CUBBYFLOW_FMM_LEVEL_SET_SOLVER2_HPP
#define CUBBYFLOW_FMM_LEVEL_SET_SOLVER2_HPP

#include <Core/Solver/LevelSet/LevelSetSolver2.hpp>

namespace CubbyFlow
{
class FMMLevelSetSolver2 final : public LevelSetSolver2
{
 public:
    FMMLevelSetSolver2() = default;

    void Reinitialize(const ScalarGrid2& inputSDF, double maxDistance,
                      ScalarGrid2* outputSDF) override;

    void Extrapolate(const ScalarGrid2& input, const ScalarField2& sdf,
                     double maxDistance, ScalarGrid2* output) override;

    void Extrapolate(const CollocatedVectorGrid2& input,
                     const ScalarField2& sdf, double maxDistance,
                     CollocatedVectorGrid2* output) override;

    void Extrapolate(const FaceCenteredGrid2& input, const ScalarField2& sdf,
                     double maxDistance, FaceCenteredGrid2* output) override;

 private:
    void Extrapolate(const ConstArrayView2<double>& input,
                     const ConstArrayView2<double>& sdf,
                     const Vector2D& gridSpacing, double maxDistance,
                     ArrayView2<double> output);
};

using FMMLevelSetSolver2Ptr = std::shared_ptr<FMMLevelSetSolver2>;
}  // namespace CubbyFlow

#endif