AreaLight Class Reference

#include <light.h>

Inheritance diagram for AreaLight:

List of all members.

Public Member Functions
	AreaLight (const Transform &light2world, const Spectrum &power, int ns, const Reference< Shape > &shape)
virtual Spectrum	L (const Point &p, const Normal &n, const Vector &w) const
Spectrum	Power (const Scene *) const
bool	IsDeltaLight () const
float	Pdf (const Point &, const Vector &) const
float	Pdf (const Point &, const Normal &, const Vector &) const
Spectrum	Sample_L (const Point &P, Vector *w, VisibilityTester *visibility) const
virtual Spectrum	Sample_L (const Point &P, const Normal &N, float u1, float u2, Vector *wo, float *pdf, VisibilityTester *visibility) const
virtual Spectrum	Sample_L (const Point &P, float u1, float u2, Vector *wo, float *pdf, VisibilityTester *visibility) const
Spectrum	Sample_L (const Scene *scene, float u1, float u2, float u3, float u4, Ray *ray, float *pdf) const
Protected Attributes
Spectrum	Lemit
Reference< Shape >	shape
float	area

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Detailed Description

Definition at line 88 of file light.h.

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Constructor & Destructor Documentation

AreaLight::AreaLight	(	const Transform &	light2world,
		const Spectrum &	power,
		int	ns,
		const Reference< Shape > &	shape
	)

Definition at line 28 of file area.cpp.

References area, Lemit, shape, and Warning().

Referenced by CreateAreaLight().

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Member Function Documentation

virtual Spectrum AreaLight::L	(	const Point &	p,
		const Normal &	n,
		const Vector &	w
	)			const [inline, virtual]

Definition at line 93 of file light.h.

References Dot(), and Lemit.

Referenced by CreateAreaLight(), Intersection::Le(), and Sample_L().

Spectrum AreaLight::Power

(

const Scene *

)

const [inline, virtual]

Implements Light.

Definition at line 97 of file light.h.

References area, Lemit, and M_PI.

bool AreaLight::IsDeltaLight

(

)

const [inline, virtual]

Implements Light.

Definition at line 100 of file light.h.

float AreaLight::Pdf	(	const Point &	P,
		const Vector &	w
	)			const [virtual]

Implements Light.

Definition at line 93 of file area.cpp.

References shape.

float AreaLight::Pdf	(	const Point &	p,
		const Normal &	N,
		const Vector &	wi
	)			const [virtual]

Reimplemented from Light.

Definition at line 69 of file area.cpp.

References shape.

Spectrum AreaLight::Sample_L	(	const Point &	P,
		Vector *	w,
		VisibilityTester *	visibility
	)			const [virtual]

Implements Light.

Definition at line 96 of file area.cpp.

References L(), Normalize(), RandomFloat(), VisibilityTester::SetSegment(), and shape.

Spectrum AreaLight::Sample_L	(	const Point &	P,
		const Normal &	N,
		float	u1,
		float	u2,
		Vector *	wo,
		float *	pdf,
		VisibilityTester *	visibility
	)			const [virtual]

Reimplemented from Light.

Definition at line 58 of file area.cpp.

References L(), Normalize(), VisibilityTester::SetSegment(), and shape.

Spectrum AreaLight::Sample_L	(	const Point &	P,
		float	u1,
		float	u2,
		Vector *	wo,
		float *	pdf,
		VisibilityTester *	visibility
	)			const [virtual]

Implements Light.

Definition at line 73 of file area.cpp.

References L(), Normalize(), VisibilityTester::SetSegment(), and shape.

Spectrum AreaLight::Sample_L	(	const Scene *	scene,
		float	u1,
		float	u2,
		float	u3,
		float	u4,
		Ray *	ray,
		float *	pdf
	)			const [virtual]

Implements Light.

Definition at line 83 of file area.cpp.

References Ray::d, Dot(), INV_TWOPI, L(), Ray::o, shape, and UniformSampleSphere().

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Member Data Documentation

Spectrum AreaLight::Lemit [protected]

Definition at line 113 of file light.h.

Referenced by AreaLight(), L(), and Power().

Reference<Shape> AreaLight::shape [protected]

Definition at line 114 of file light.h.

Referenced by AreaLight(), Pdf(), and Sample_L().

float AreaLight::area [protected]

Definition at line 115 of file light.h.

Referenced by AreaLight(), and Power().

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

• light.h
• area.cpp