LinearDamping.cu

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#include "LinearDamping.h"
 
namespace dyno
{
//  IMPLEMENT_TCLASS(LinearDamping, TDataType)
 
    template<typename TDataType>
    LinearDamping<TDataType>::LinearDamping()
        : ConstraintModule()
    {
    }
 
    template<typename TDataType>
    LinearDamping<TDataType>::~LinearDamping()
    {
    }
 
    template <typename Real, typename Coord>
    __global__ void LP_Damping(
        DArray<Coord> vel,
        Real coefficient)
    {
        int pId = threadIdx.x + (blockIdx.x * blockDim.x);
        if (pId >= vel.size()) return;
        
        vel[pId] *= coefficient;
    }
 
    template<typename TDataType>
    void LinearDamping<TDataType>::constrain()
    {
        Real coef = this->varDampingCoefficient()->getData();
        auto& vels = this->inVelocity()->getData();
 
        int num = vels.size();
        cuExecute(num,
            LP_Damping,
            vels,
            coef);
    }
 
    DEFINE_CLASS(LinearDamping);
}