FresnelBlend Class Reference

#include <reflection.h>

Inheritance diagram for FresnelBlend:

List of all members.

Public Member Functions
	FresnelBlend (const Spectrum &Rd, const Spectrum &Rs, MicrofacetDistribution *dist)
Spectrum	f (const Vector &wo, const Vector &wi) const
Spectrum	SchlickFresnel (float costheta) const
Spectrum	Sample_f (const Vector &wi, Vector *sampled_f, float u1, float u2, float *pdf) const
float	Pdf (const Vector &wi, const Vector &wo) const
Private Attributes
Spectrum	Rd
Spectrum	Rs
MicrofacetDistribution *	distribution

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Detailed Description

Definition at line 454 of file reflection.h.

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Constructor & Destructor Documentation

FresnelBlend::FresnelBlend	(	const Spectrum &	Rd,
		const Spectrum &	Rs,
		MicrofacetDistribution *	dist
	)

Definition at line 217 of file reflection.cpp.

References distribution.

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Member Function Documentation

Spectrum FresnelBlend::f	(	const Vector &	wo,
		const Vector &	wi
	)			const [virtual]

Implements BxDF.

Definition at line 224 of file reflection.cpp.

References AbsCosTheta(), AbsDot(), MicrofacetDistribution::D(), distribution, Dot(), M_PI, Normalize(), Rd, Rs, and SchlickFresnel().

Referenced by Sample_f().

float FresnelBlend::Pdf	(	const Vector &	wi,
		const Vector &	wo
	)			const [virtual]

Reimplemented from BxDF.

Definition at line 450 of file reflection.cpp.

References AbsCosTheta(), distribution, INV_PI, MicrofacetDistribution::Pdf(), and SameHemisphere().

Referenced by Sample_f().

Spectrum FresnelBlend::Sample_f	(	const Vector &	wi,
		Vector *	sampled_f,
		float	u1,
		float	u2,
		float *	pdf
	)			const [virtual]

Reimplemented from BxDF.

Definition at line 432 of file reflection.cpp.

References CosineSampleHemisphere(), distribution, f(), Pdf(), SameHemisphere(), MicrofacetDistribution::Sample_f(), and Vector::z.

Spectrum FresnelBlend::SchlickFresnel

(

float

costheta

)

const [inline]

Definition at line 461 of file reflection.h.

Referenced by f().

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Member Data Documentation

MicrofacetDistribution* FresnelBlend::distribution [private]

Definition at line 469 of file reflection.h.

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

Spectrum FresnelBlend::Rd [private]

Definition at line 468 of file reflection.h.

Referenced by f().

Spectrum FresnelBlend::Rs [private]

Definition at line 468 of file reflection.h.

Referenced by f().

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

• reflection.h
• reflection.cpp