PointLight Class Reference

Inheritance diagram for PointLight:

List of all members.

Public Member Functions
	PointLight (const Transform &light2world, const Spectrum &intensity)
Spectrum	Sample_L (const Point &p, Vector *wi, VisibilityTester *vis) const
Spectrum	Power (const Scene *) const
bool	IsDeltaLight () const
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
float	Pdf (const Point &, const Vector &) const
Private Attributes
Point	lightPos
Spectrum	Intensity

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Detailed Description

Definition at line 29 of file point.cpp.

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Constructor & Destructor Documentation

PointLight::PointLight	(	const Transform &	light2world,
		const Spectrum &	intensity
	)

Definition at line 49 of file point.cpp.

References Intensity, lightPos, and Light::LightToWorld.

Referenced by CreateLight().

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Member Function Documentation

Spectrum PointLight::Sample_L	(	const Point &	p,
		Vector *	wi,
		VisibilityTester *	vis
	)			const [virtual]

Implements Light.

Definition at line 55 of file point.cpp.

References DistanceSquared(), Intensity, lightPos, Normalize(), and VisibilityTester::SetSegment().

Referenced by Sample_L().

Spectrum PointLight::Power

(

const Scene *

)

const [inline, virtual]

Implements Light.

Definition at line 34 of file point.cpp.

References Intensity, and M_PI.

bool PointLight::IsDeltaLight

(

)

const [inline, virtual]

Implements Light.

Definition at line 37 of file point.cpp.

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

Implements Light.

Definition at line 61 of file point.cpp.

References Sample_L().

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

Implements Light.

Definition at line 70 of file point.cpp.

References Ray::d, Intensity, lightPos, Ray::o, UniformSampleSphere(), and UniformSpherePdf().

float PointLight::Pdf	(	const Point &	,
		const Vector &
	)			const [virtual]

Implements Light.

Definition at line 67 of file point.cpp.

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Member Data Documentation

Point PointLight::lightPos [private]

Definition at line 45 of file point.cpp.

Referenced by PointLight(), and Sample_L().

Spectrum PointLight::Intensity [private]

Definition at line 46 of file point.cpp.

Referenced by PointLight(), Power(), and Sample_L().

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

• point.cpp