SpotBxDF Class Reference

Inheritance diagram for SpotBxDF:

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Collaboration diagram for SpotBxDF:

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List of all members.

Public Member Functions
	SpotBxDF (float width, float fall)
virtual	~SpotBxDF ()
virtual void	f (const TsPack *tspack, const Vector &wo, const Vector &wi, SWCSpectrum *const f) 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 &wi, const Vector &wo) const
Private Attributes
float	cosTotalWidth
float	cosFalloffStart

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Detailed Description

Definition at line 43 of file spot.cpp.

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Constructor & Destructor Documentation

SpotBxDF::SpotBxDF	(	float	width,
		float	fall
	)			[inline]

Definition at line 46 of file spot.cpp.

virtual SpotBxDF::~SpotBxDF

(

)

[inline, virtual]

Definition at line 47 of file spot.cpp.

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Member Function Documentation

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

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

Implements lux::BxDF.

Definition at line 48 of file spot.cpp.

References cosFalloffStart, cosTotalWidth, and LocalFalloff().

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

Reimplemented from lux::BxDF.

Definition at line 60 of file spot.cpp.

References lux::CosTheta(), cosTotalWidth, and lux::UniformConePdf().

Referenced by Sample_f().

virtual bool SpotBxDF::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 [inline, virtual]

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

Reimplemented from lux::BxDF.

Definition at line 51 of file spot.cpp.

References cosFalloffStart, cosTotalWidth, LocalFalloff(), Pdf(), lux::UniformConePdf(), and lux::UniformSampleCone().

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Member Data Documentation

float SpotBxDF::cosFalloffStart [private]

Definition at line 68 of file spot.cpp.

Referenced by f(), and Sample_f().

float SpotBxDF::cosTotalWidth [private]

Definition at line 68 of file spot.cpp.

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

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

• spot.cpp