lux::Torus Class Reference

#include <torus.h>

Inheritance diagram for lux::Torus:

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Collaboration diagram for lux::Torus:

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List of all members.

Public Member Functions
	Torus (const Transform &o2w, bool ro, float marad, float mirad, float zmin, float zmax, float phiMax)
virtual	~Torus ()
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 Member Functions
bool	FindIntersection (const Ray &ray, float *tHit, Point *pHit, float *phiHit, float *thetaHit) const
Private Attributes
float	majorRadius
float	minorRadius
float	phiMax
float	thetaMin
float	thetaMax
float	zmin
float	zmax

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Detailed Description

Definition at line 31 of file torus.h.

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Constructor & Destructor Documentation

Torus::Torus	(	const Transform &	o2w,
		bool	ro,
		float	marad,
		float	mirad,
		float	zmin,
		float	zmax,
		float	phiMax
	)

Definition at line 333 of file torus.cpp.

References Clamp(), M_PI, majorRadius, cimg_library::cimg::max(), cimg_library::cimg::min(), minorRadius, phiMax, Radians(), thetaMax, thetaMin, zmax, and zmin.

Referenced by CreateShape().

virtual lux::Torus::~Torus

(

)

[inline, virtual]

Definition at line 36 of file torus.h.

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Member Function Documentation

float Torus::Area

(

)

const [virtual]

Returns the area of this primitive.

Reimplemented from lux::Primitive.

Definition at line 450 of file torus.cpp.

References majorRadius, minorRadius, phiMax, thetaMax, and thetaMin.

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

Definition at line 454 of file torus.cpp.

References lux::ParamSet::FindOneFloat(), majorRadius, minorRadius, and Torus().

bool Torus::FindIntersection	(	const Ray &	ray,
		float *	tHit,
		Point *	pHit,
		float *	phiHit,
		float *	thetaHit
	)			const [private]

Definition at line 242 of file torus.cpp.

References Clamp(), lux::Ray::d, lux::Dot(), lux::Vector::Length(), M_PI, majorRadius, lux::Ray::maxt, minorRadius, lux::Ray::mint, lux::Ray::o, phiMax, quartic(), r2, thetaMax, lux::Point::x, lux::Point::y, lux::Point::z, and lux::Vector::z.

Referenced by Intersect(), and IntersectP().

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

Reimplemented from lux::Shape.

Definition at line 354 of file torus.cpp.

References lux::Cross(), lux::Dot(), FindIntersection(), blender::g, G(), minorRadius, lux::Normalize(), lux::Shape::ObjectToWorld, phiMax, thetaMax, thetaMin, lux::Shape::WorldToObject, lux::Point::x, lux::Point::y, and lux::Point::z.

bool Torus::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 438 of file torus.cpp.

References FindIntersection(), and lux::Shape::WorldToObject.

BBox Torus::ObjectBound

(

)

const [virtual]

Reimplemented from lux::Shape.

Definition at line 349 of file torus.cpp.

References majorRadius, and minorRadius.

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

Reimplemented from lux::Shape.

Definition at line 42 of file torus.h.

References majorRadius, minorRadius, lux::Normalize(), lux::Shape::ObjectToWorld, p, lux::Shape::reverseOrientation, thetaMax, and thetaMin.

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Member Data Documentation

float lux::Torus::majorRadius [private]

Definition at line 68 of file torus.h.

Referenced by Area(), CreateShape(), FindIntersection(), ObjectBound(), Sample(), and Torus().

float lux::Torus::minorRadius [private]

Definition at line 68 of file torus.h.

Referenced by Area(), CreateShape(), FindIntersection(), Intersect(), ObjectBound(), Sample(), and Torus().

float lux::Torus::phiMax [private]

Definition at line 69 of file torus.h.

Referenced by Area(), FindIntersection(), Intersect(), and Torus().

float lux::Torus::thetaMax [private]

Definition at line 70 of file torus.h.

Referenced by Area(), FindIntersection(), Intersect(), Sample(), and Torus().

float lux::Torus::thetaMin [private]

Definition at line 70 of file torus.h.

Referenced by Area(), Intersect(), Sample(), and Torus().

float lux::Torus::zmax [private]

Definition at line 72 of file torus.h.

Referenced by Torus().

float lux::Torus::zmin [private]

Definition at line 72 of file torus.h.

Referenced by Torus().

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

• torus.h
• torus.cpp