MaskedIntersectable.h

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#pragma once
 
#include "Core/Intersection/Intersectable.h"
#include "Core/Texture/TTexture.h"
 
#include <Common/primitive_type.h>
 
#include <memory>
 
namespace ph
{
 
class SurfaceHit;
 
class MaskedIntersectable : public Intersectable
{
public:
    MaskedIntersectable(
        const Intersectable* intersectable,
        const std::shared_ptr<TTexture<real>>& mask,
        uint8 maxIterations = 4);
 
    bool isIntersecting(const Ray& ray, HitProbe& probe) const override;
 
    bool reintersect(
        const Ray& ray,
        HitProbe& probe,
        const Ray& srcRay,
        HitProbe& srcProbe) const override;
 
    void calcHitDetail(
        const Ray& ray,
        HitProbe& probe,
        HitDetail* out_detail) const override;
 
    math::AABB3D calcAABB() const override;
 
private:
    bool isOnMask(const SurfaceHit& X) const;
 
    const Intersectable* m_intersectable;
    std::shared_ptr<TTexture<real>> m_mask;
    uint8 m_maxIterations;
};
 
}// end namespace ph