grid_boundary_condition_solver2.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_GRID_BOUNDARY_CONDITION_SOLVER2_H_
#define INCLUDE_JET_GRID_BOUNDARY_CONDITION_SOLVER2_H_
 
#include <jet/collider2.h>
#include <jet/constants.h>
#include <jet/face_centered_grid2.h>
#include <jet/scalar_field2.h>
 
#include <memory>
 
namespace jet {
 
class GridBoundaryConditionSolver2 {
 public:
    GridBoundaryConditionSolver2();
 
    virtual ~GridBoundaryConditionSolver2();
 
    const Collider2Ptr& collider() const;
 
    void updateCollider(
        const Collider2Ptr& newCollider,
        const Size2& gridSize,
        const Vector2D& gridSpacing,
        const Vector2D& gridOrigin);
 
    int closedDomainBoundaryFlag() const;
 
    void setClosedDomainBoundaryFlag(int flag);
 
    virtual void constrainVelocity(
        FaceCenteredGrid2* velocity,
        unsigned int extrapolationDepth = 5) = 0;
 
    virtual ScalarField2Ptr colliderSdf() const = 0;
 
    virtual VectorField2Ptr colliderVelocityField() const = 0;
 
 protected:
    virtual void onColliderUpdated(
        const Size2& gridSize,
        const Vector2D& gridSpacing,
        const Vector2D& gridOrigin) = 0;
 
    const Size2& gridSize() const;
 
    const Vector2D& gridSpacing() const;
 
    const Vector2D& gridOrigin() const;
 
 private:
    Collider2Ptr _collider;
    Size2 _gridSize;
    Vector2D _gridSpacing;
    Vector2D _gridOrigin;
    int _closedDomainBoundaryFlag = kDirectionAll;
};
 
typedef std::shared_ptr<GridBoundaryConditionSolver2>
    GridBoundaryConditionSolver2Ptr;
 
}  // namespace jet
 
#endif  // INCLUDE_JET_GRID_BOUNDARY_CONDITION_SOLVER2_H_