lux::CookTorrance Class Reference

#include <cooktorrance.h>

Inheritance diagram for lux::CookTorrance:

Collaboration diagram for lux::CookTorrance:

List of all members.

Public Member Functions
	CookTorrance (const SWCSpectrum &ks, MicrofacetDistribution dist, Fresnel fres)
virtual	~CookTorrance ()
virtual void	f (const TsPack tspack, const Vector &wo, const Vector &wi, SWCSpectrum const f) const
float	G (const Vector &wo, const Vector &wi, const Vector &wh) const
virtual bool	Sample_f (const TsPack tspack, const Vector &wi, Vector sampled_f, float u1, float u2, SWCSpectrum const f, float pdf, float *pdfBack=NULL, bool reverse=false) const
virtual float	Pdf (const TsPack *tspack, const Vector &wi, const Vector &wo) const
Private Attributes
const SWCSpectrum	KS
MicrofacetDistribution *	distribution
Fresnel *	fresnel

Detailed Description

Definition at line 34 of file cooktorrance.h.

Constructor & Destructor Documentation

CookTorrance::CookTorrance	(	const SWCSpectrum &	ks,
		MicrofacetDistribution *	dist,
		Fresnel *	fres
	)

Definition at line 32 of file cooktorrance.cpp.

virtual lux::CookTorrance::~CookTorrance ( ) [inline, virtual]

Definition at line 38 of file cooktorrance.h.

Member Function Documentation

void CookTorrance::f	(	const TsPack *	tspack,
		const Vector &	wo,
		const Vector &	wi,
		SWCSpectrum *const	f
	)			const `[virtual]`

Evaluates the BxDF. Accumulates the result in the f parameter.

Implements lux::BxDF.

Definition at line 37 of file cooktorrance.cpp.

References lux::SWCSpectrum::AddWeighted(), lux::CosTheta(), lux::MicrofacetDistribution::D(), distribution, lux::Dot(), lux::Fresnel::Evaluate(), fresnel, G(), KS, M_PI, and lux::Normalize().

Referenced by G(), and Sample_f().

float CookTorrance::G	(	const Vector &	wo,
		const Vector &	wi,
		const Vector &	wh
	)			const

Definition at line 49 of file cooktorrance.cpp.

References lux::AbsDot(), lux::CosTheta(), f(), and cimg_library::cimg::min().

Referenced by f().

float CookTorrance::Pdf	(	const TsPack *	tspack,
		const Vector &	wi,
		const Vector &	wo
	)			const `[virtual]`

Reimplemented from lux::BxDF.

Definition at line 77 of file cooktorrance.cpp.

References distribution, lux::MicrofacetDistribution::Pdf(), and lux::SameHemisphere().

Referenced by Sample_f().

bool CookTorrance::Sample_f	(	const TsPack *	tspack,
		const Vector &	wo,
		Vector *	wi,
		float	u1,
		float	u2,
		SWCSpectrum *const	f,
		float *	pdf,
		float *	pdfBack = `NULL`,
		bool	reverse = `false`
	)			const `[virtual]`

Samples the BxDF. Returns the result of the BxDF for the sampled direction in f.

Reimplemented from lux::BxDF.

Definition at line 58 of file cooktorrance.cpp.

References distribution, f(), Pdf(), and lux::MicrofacetDistribution::Sample_f().

Member Data Documentation

MicrofacetDistribution* lux::CookTorrance::distribution [private]

Definition at line 46 of file cooktorrance.h.

Referenced by f(), Pdf(), and Sample_f().

Fresnel* lux::CookTorrance::fresnel [private]

Definition at line 47 of file cooktorrance.h.

Referenced by f().

const SWCSpectrum lux::CookTorrance::KS [private]

Definition at line 45 of file cooktorrance.h.

Referenced by f().

The documentation for this class was generated from the following files:

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