lux::Microfacet Class Reference

#include <microfacet.h>

Inheritance diagram for lux::Microfacet:

Collaboration diagram for lux::Microfacet:

List of all members.

Public Member Functions
	Microfacet (const SWCSpectrum &reflectance, Fresnel f, MicrofacetDistribution d)
virtual	~Microfacet ()
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 &wo, Vector wi, float u1, float u2, SWCSpectrum const f, float pdf, float *pdfBack=NULL, bool reverse=false) const
virtual float	Pdf (const TsPack *tspack, const Vector &wo, const Vector &wi) const
Private Attributes
SWCSpectrum	R
MicrofacetDistribution *	distribution
Fresnel *	fresnel

Detailed Description

Definition at line 33 of file microfacet.h.

Constructor & Destructor Documentation

Microfacet::Microfacet	(	const SWCSpectrum &	reflectance,
		Fresnel *	f,
		MicrofacetDistribution *	d
	)

Definition at line 32 of file microfacet.cpp.

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

Definition at line 38 of file microfacet.h.

Member Function Documentation

void Microfacet::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 40 of file microfacet.cpp.

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

Referenced by Sample_f().

float lux::Microfacet::G	(	const Vector &	wo,
		const Vector &	wi,
		const Vector &	wh
	)			const `[inline]`

Definition at line 40 of file microfacet.h.

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

Referenced by f().

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

Reimplemented from lux::BxDF.

Definition at line 70 of file microfacet.cpp.

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

Referenced by Sample_f().

bool Microfacet::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 53 of file microfacet.cpp.

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

Member Data Documentation

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

Definition at line 56 of file microfacet.h.

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

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

Definition at line 57 of file microfacet.h.

Referenced by f().

SWCSpectrum lux::Microfacet::R [private]

Definition at line 55 of file microfacet.h.

Referenced by f().

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

Generated by 1.6.2-20100208