VolumeDistanceSample.h

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#pragma once
 
#include "Math/TVector3.h"
#include "Math/Color/Spectrum.h"
#include "Core/SurfaceHit.h"
 
#include <Common/primitive_type.h>
 
namespace ph
{
 
class VolumeDistanceSample final
{
public:
    class Input final
    {
    public:
        SurfaceHit X;
        math::Vector3R L;
        real maxDist;
 
        inline void set(const SurfaceHit& X, const math::Vector3R& L, const real maxDist)
        {
            this->X = X;
            this->L = L;
            this->maxDist = maxDist;
        }
    };
 
    class Output final
    {
    public:
        real dist;
        math::Spectrum pdfAppliedWeight;
    };
 
    inline bool isMaxDistReached() const
    {
        return outputs.dist >= inputs.maxDist;
    }
 
public:
    Input  inputs;
    Output outputs;
};
 
}// end namespace ph