SemiAnalyticalPBD.h

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#pragma once
#include "Module/ConstraintModule.h"
 
#include "Topology/TriangleSet.h"
 
#include "ParticleSystem/Module/ParticleApproximation.h"
 
namespace dyno
{
    template <typename TDataType>
    class SemiAnalyticalSummationDensity;
 
    template <typename TDataType>
    class SemiAnalyticalPBD : public ConstraintModule
    {
        DECLARE_TCLASS(SemiAnalyticalPBD, TDataType)
    public:
        typedef typename TDataType::Real          Real;
        typedef typename TDataType::Coord         Coord;
        typedef typename TopologyModule::Triangle Triangle;
 
        SemiAnalyticalPBD();
        ~SemiAnalyticalPBD() override;

        void constrain() override;
 
    public:
        DEF_VAR(uint, InterationNumber, 3, "");
 
        DEF_VAR_IN(Real, TimeStep, "");

        DEF_VAR_IN(Real, SmoothingLength, "");
 
        DEF_VAR_IN(Real, SamplingDistance, "");

        DEF_ARRAY_IN(Coord, Position, DeviceType::GPU, "");

        DEF_ARRAY_IN(Coord, Velocity, DeviceType::GPU, "");
 
        DEF_INSTANCE_IN(TriangleSet<TDataType>, TriangleSet, "");

        DEF_ARRAYLIST_IN(int, NeighborParticleIds, DeviceType::GPU, "");

        DEF_ARRAYLIST_IN(int, NeighborTriangleIds, DeviceType::GPU, "");
 
    private:
        void takeOneIteration();
 
        void updateVelocity();
 
        SpikyKernel<Real> m_kernel;
 
        DArray<Real>  mLamda;
        DArray<Coord> mDeltaPos;
        DArray<Coord> mPosBuffer;
 
        std::shared_ptr<SemiAnalyticalSummationDensity<TDataType>> mCalculateDensity;
    };
}  // namespace dyno