Sphere Class Reference

#include <sphere.h>

Inheritance diagram for Sphere:

List of all members.

Public Member Functions
	Sphere (const Transform *o2w, const Transform *w2o, bool ro, float rad, float zmin, float zmax, float phiMax)
BBox	ObjectBound () const
bool	Intersect (const Ray &ray, float *tHit, float *rayEpsilon, DifferentialGeometry *dg) const
bool	IntersectP (const Ray &ray) const
float	Area () const
Point	Sample (float u1, float u2, Normal *ns) const
Point	Sample (const Point &p, float u1, float u2, Normal *ns) const
float	Pdf (const Point &p, const Vector &wi) const
Private Attributes
float	radius
float	phiMax
float	zmin
float	zmax
float	thetaMin
float	thetaMax

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Detailed Description

Definition at line 35 of file sphere.h.

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Constructor & Destructor Documentation

Sphere::Sphere	(	const Transform *	o2w,
		const Transform *	w2o,
		bool	ro,
		float	rad,
		float	zmin,
		float	zmax,
		float	phiMax
	)

Definition at line 32 of file sphere.cpp.

References Clamp(), phiMax, Radians(), radius, thetaMax, thetaMin, zmax, and zmin.

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Member Function Documentation

float Sphere::Area

(

)

const [virtual]

Reimplemented from Shape.

Definition at line 204 of file sphere.cpp.

References phiMax, radius, zmax, and zmin.

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

Reimplemented from Shape.

Definition at line 50 of file sphere.cpp.

References Clamp(), Cross(), Ray::d, Dot(), M_PI, Ray::maxt, Ray::mint, Normalize(), Ray::o, Shape::ObjectToWorld, phiMax, Quadratic(), radius, thetaMax, thetaMin, Point::x, Vector::x, Point::y, Vector::y, Point::z, Vector::z, zmax, and zmin.

Referenced by Sample().

bool Sphere::IntersectP

(

const Ray &

ray

)

const [virtual]

Reimplemented from Shape.

Definition at line 152 of file sphere.cpp.

References Ray::d, M_PI, Ray::maxt, Ray::mint, Ray::o, phiMax, Quadratic(), radius, Point::x, Vector::x, Point::y, Vector::y, Point::z, Vector::z, zmax, and zmin.

BBox Sphere::ObjectBound

(

)

const [virtual]

Implements Shape.

Definition at line 44 of file sphere.cpp.

References radius, zmax, and zmin.

float Sphere::Pdf	(	const Point &	p,
		const Vector &	wi
	)			const [virtual]

Reimplemented from Shape.

Definition at line 256 of file sphere.cpp.

References DistanceSquared(), Shape::Pdf(), radius, and UniformConePdf().

Point Sphere::Sample	(	const Point &	p,
		float	u1,
		float	u2,
		Normal *	ns
	)			const [virtual]

Reimplemented from Shape.

Definition at line 228 of file sphere.cpp.

References CoordinateSystem(), Ray::d, DistanceSquared(), Dot(), Intersect(), Normalize(), radius, Shape::ReverseOrientation, Sample(), and UniformSampleCone().

Point Sphere::Sample	(	float	u1,
		float	u2,
		Normal *	ns
	)			const [virtual]

Reimplemented from Shape.

Definition at line 220 of file sphere.cpp.

References Normalize(), Shape::ObjectToWorld, radius, Shape::ReverseOrientation, UniformSampleSphere(), Point::x, Point::y, and Point::z.

Referenced by Sample().

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Member Data Documentation

float Sphere::phiMax [private]

Definition at line 51 of file sphere.h.

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

float Sphere::radius [private]

Definition at line 50 of file sphere.h.

Referenced by Area(), Intersect(), IntersectP(), ObjectBound(), Pdf(), Sample(), and Sphere().

float Sphere::thetaMax [private]

Definition at line 53 of file sphere.h.

Referenced by Intersect(), and Sphere().

float Sphere::thetaMin [private]

Definition at line 53 of file sphere.h.

Referenced by Intersect(), and Sphere().

float Sphere::zmax [private]

Definition at line 52 of file sphere.h.

Referenced by Area(), Intersect(), IntersectP(), ObjectBound(), and Sphere().

float Sphere::zmin [private]

Definition at line 52 of file sphere.h.

Referenced by Area(), Intersect(), IntersectP(), ObjectBound(), and Sphere().

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

• sphere.h
• sphere.cpp