level_set_liquid_solver3.h

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// Copyright (c) 2018 Doyub Kim
//
// I am making my contributions/submissions to this project solely in my
// personal capacity and am not conveying any rights to any intellectual
// property of any third parties.
 
#ifndef INCLUDE_JET_LEVEL_SET_LIQUID_SOLVER3_H_
#define INCLUDE_JET_LEVEL_SET_LIQUID_SOLVER3_H_
 
#include <jet/grid_fluid_solver3.h>
#include <jet/level_set_solver3.h>
 
namespace jet {
 
class LevelSetLiquidSolver3 : public GridFluidSolver3 {
 public:
    class Builder;
 
    LevelSetLiquidSolver3();
 
    LevelSetLiquidSolver3(
        const Size3& resolution,
        const Vector3D& gridSpacing,
        const Vector3D& gridOrigin);
 
    virtual ~LevelSetLiquidSolver3();
 
    ScalarGrid3Ptr signedDistanceField() const;
 
    LevelSetSolver3Ptr levelSetSolver() const;
 
    void setLevelSetSolver(const LevelSetSolver3Ptr& newSolver);
 
    void setMinReinitializeDistance(double distance);
 
    void setIsGlobalCompensationEnabled(bool isEnabled);
 
    double computeVolume() const;
 
    static Builder builder();
 
 protected:
    void onBeginAdvanceTimeStep(double timeIntervalInSeconds) override;
 
    void onEndAdvanceTimeStep(double timeIntervalInSeconds) override;
 
    void computeAdvection(double timeIntervalInSeconds) override;
 
    ScalarField3Ptr fluidSdf() const override;
 
 private:
    size_t _signedDistanceFieldId;
    LevelSetSolver3Ptr _levelSetSolver;
    double _minReinitializeDistance = 10.0;
    bool _isGlobalCompensationEnabled = false;
    double _lastKnownVolume = 0.0;
 
    void reinitialize(double currentCfl);
 
    void extrapolateVelocityToAir(double currentCfl);
 
    void addVolume(double volDiff);
};
 
typedef std::shared_ptr<LevelSetLiquidSolver3> LevelSetLiquidSolver3Ptr;
 
 
class LevelSetLiquidSolver3::Builder final
    : public GridFluidSolverBuilderBase3<LevelSetLiquidSolver3::Builder> {
 public:
    LevelSetLiquidSolver3 build() const;
 
    LevelSetLiquidSolver3Ptr makeShared() const;
};
 
}  // namespace jet
 
#endif  // INCLUDE_JET_LEVEL_SET_LIQUID_SOLVER3_H_