lux::Disk Class Reference

#include <disk.h>

Inheritance diagram for lux::Disk:

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Collaboration diagram for lux::Disk:

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List of all members.

Public Member Functions
	Disk (const Transform &o2w, bool ro, float height, float radius, float innerRadius, float phiMax)
virtual	~Disk ()
virtual BBox	ObjectBound () const
virtual bool	Intersect (const Ray &ray, float *tHit, DifferentialGeometry *dg) const
virtual bool	IntersectP (const Ray &ray) const
virtual float	Area () const
virtual Point	Sample (float u1, float u2, float u3, Normal *Ns) const
Static Public Member Functions
static Shape *	CreateShape (const Transform &o2w, bool reverseOrientation, const ParamSet &params)
Private Attributes
float	height
float	radius
float	innerRadius
float	phiMax

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Detailed Description

Definition at line 30 of file disk.h.

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Constructor & Destructor Documentation

Disk::Disk	(	const Transform &	o2w,
		bool	ro,
		float	height,
		float	radius,
		float	innerRadius,
		float	phiMax
	)

Definition at line 31 of file disk.cpp.

References Clamp(), height, innerRadius, phiMax, Radians(), and radius.

Referenced by CreateShape().

virtual lux::Disk::~Disk

(

)

[inline, virtual]

Definition at line 35 of file disk.h.

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Member Function Documentation

float Disk::Area

(

)

const [virtual]

Returns the area of this primitive.

Reimplemented from lux::Primitive.

Definition at line 106 of file disk.cpp.

References innerRadius, phiMax, and radius.

Shape * Disk::CreateShape	(	const Transform &	o2w,
		bool	reverseOrientation,
		const ParamSet &	params
	)			[static]

Definition at line 110 of file disk.cpp.

References Disk(), lux::ParamSet::FindOneFloat(), height, and radius.

bool Disk::Intersect	(	const Ray &	ray,
		float *	tHit,
		DifferentialGeometry *	dg
	)			const [virtual]

Reimplemented from lux::Shape.

Definition at line 43 of file disk.cpp.

References lux::Ray::d, height, if(), innerRadius, INV_TWOPI, M_PI, lux::Ray::maxt, lux::Ray::o, lux::Shape::ObjectToWorld, phiMax, radius, lux::Shape::WorldToObject, lux::Point::x, lux::Point::y, lux::Point::z, and lux::Vector::z.

bool Disk::IntersectP

(

const Ray &

r

)

const [virtual]

Tests for intersection of this primitive with the given ray.

Parameters:

r

The ray to intersect with this primitive.

Returns:

Whether an intersection was found.

Reimplemented from lux::Primitive.

Definition at line 84 of file disk.cpp.

References lux::Ray::d, height, if(), innerRadius, M_PI, lux::Ray::maxt, lux::Ray::o, phiMax, radius, lux::Shape::WorldToObject, lux::Point::x, lux::Point::y, lux::Point::z, and lux::Vector::z.

BBox Disk::ObjectBound

(

)

const [virtual]

Reimplemented from lux::Shape.

Definition at line 39 of file disk.cpp.

References height, and radius.

virtual Point lux::Disk::Sample	(	float	u1,
		float	u2,
		float	u3,
		Normal *	Ns
	)			const [inline, virtual]

Reimplemented from lux::Shape.

Definition at line 41 of file disk.h.

References lux::ConcentricSampleDisk(), lux::Normalize(), lux::Shape::ObjectToWorld, p, lux::Shape::reverseOrientation, lux::Point::x, lux::Point::y, and lux::Point::z.

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Member Data Documentation

float lux::Disk::height [private]

Definition at line 55 of file disk.h.

Referenced by CreateShape(), Disk(), Intersect(), IntersectP(), and ObjectBound().

float lux::Disk::innerRadius [private]

Definition at line 55 of file disk.h.

Referenced by Area(), Disk(), Intersect(), and IntersectP().

float lux::Disk::phiMax [private]

Definition at line 55 of file disk.h.

Referenced by Area(), Disk(), Intersect(), and IntersectP().

float lux::Disk::radius [private]

Definition at line 55 of file disk.h.

Referenced by Area(), CreateShape(), Disk(), Intersect(), IntersectP(), and ObjectBound().

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

• disk.h
• disk.cpp