NormalForce.h

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#pragma once
#include "Module/ConstraintModule.h"
#include "Topology/TriangleSet.h"
 
namespace dyno {
 
    /*
    *   \brief  Particle volume force along normal direction of neighbor mesh.
    */
 
    template<typename TDataType>
    class NormalForce : public ConstraintModule
    {
 
        DECLARE_TCLASS(NormalForce, TDataType)
 
    public:
        typedef typename TDataType::Real Real;
        typedef typename TDataType::Coord Coord;
 
        NormalForce();
        ~NormalForce() override ;
 
        DEF_ARRAY_OUT(Coord, NormalForce, DeviceType::GPU, "");
 
        DEF_ARRAY_IN(Coord, Position, DeviceType::GPU, "");
 
        DEF_ARRAY_IN(Coord, ParticleNormal, DeviceType::GPU, "");
 
        DEF_ARRAY_IN(Coord, Velocity, DeviceType::GPU, "");
 
        DEF_INSTANCE_IN(TriangleSet<TDataType>, TriangleSet, ""); 
 
        DEF_VAR(Real, Strength, 10.0f, "");
 
        DEF_VAR_IN(Real, TimeStep, "Time step size");
 
        DEF_ARRAYLIST_IN(int, TriangleNeighborIds, DeviceType::GPU, "triangle neighbors");
 
        DEF_ARRAY_IN(int, ParticleMeshID, DeviceType::GPU, "triangle neighbors");
 
 
        void constrain() override;
 
    private:
        DArray<bool> mNormalForceFlag;
 
    };
 
    IMPLEMENT_TCLASS(NormalForce, TDataType)
}