Shape Class Reference

#include <shape.h>

Inheritance diagram for Shape:

List of all members.

Public Member Functions
	Shape (const Transform *o2w, const Transform *w2o, bool ro)
virtual	~Shape ()
virtual BBox	ObjectBound () const =0
virtual BBox	WorldBound () const
virtual bool	CanIntersect () const
virtual void	Refine (vector< Reference< Shape > > &refined) const
virtual bool	Intersect (const Ray &ray, float *tHit, float *rayEpsilon, DifferentialGeometry *dg) const
virtual bool	IntersectP (const Ray &ray) const
virtual void	GetShadingGeometry (const Transform &obj2world, const DifferentialGeometry &dg, DifferentialGeometry *dgShading) const
virtual float	Area () const
virtual Point	Sample (float u1, float u2, Normal *Ns) const
virtual float	Pdf (const Point &Pshape) const
virtual Point	Sample (const Point &P, float u1, float u2, Normal *Ns) const
virtual float	Pdf (const Point &p, const Vector &wi) const
Public Attributes
const Transform *	ObjectToWorld
const Transform *	WorldToObject
const bool	ReverseOrientation
const bool	TransformSwapsHandedness
const uint32_t	shapeId
Static Public Attributes
static uint32_t	nextshapeId = 1

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Detailed Description

Definition at line 39 of file shape.h.

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Constructor & Destructor Documentation

Shape::Shape	(	const Transform *	o2w,
		const Transform *	w2o,
		bool	ro
	)

Definition at line 34 of file shape.cpp.

Shape::~Shape

(

)

[virtual]

Definition at line 30 of file shape.cpp.

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Member Function Documentation

float Shape::Area

(

)

const [virtual]

Reimplemented in Cone, Cylinder, Disk, Hyperboloid, Paraboloid, Sphere, and Triangle.

Definition at line 72 of file shape.cpp.

References Severe().

Referenced by Pdf().

bool Shape::CanIntersect

(

)

const [virtual]

Reimplemented in Heightfield, LoopSubdiv, NURBS, and TriangleMesh.

Definition at line 49 of file shape.cpp.

virtual void Shape::GetShadingGeometry	(	const Transform &	obj2world,
		const DifferentialGeometry &	dg,
		DifferentialGeometry *	dgShading
	)			const [inline, virtual]

Reimplemented in Triangle.

Definition at line 51 of file shape.h.

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

Reimplemented in Cone, Cylinder, Disk, Hyperboloid, Paraboloid, Sphere, and Triangle.

Definition at line 59 of file shape.cpp.

References Severe().

Referenced by Pdf().

bool Shape::IntersectP

(

const Ray &

ray

)

const [virtual]

Reimplemented in Cone, Cylinder, Disk, Hyperboloid, Paraboloid, Sphere, and Triangle.

Definition at line 66 of file shape.cpp.

References Severe().

virtual BBox Shape::ObjectBound

(

)

const [pure virtual]

Implemented in Cone, Cylinder, Disk, Heightfield, Hyperboloid, LoopSubdiv, NURBS, Paraboloid, Sphere, TriangleMesh, and Triangle.

Referenced by WorldBound().

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

Reimplemented in Sphere.

Definition at line 78 of file shape.cpp.

References AbsDot(), Area(), Ray::depth, DistanceSquared(), Intersect(), and DifferentialGeometry::nn.

virtual float Shape::Pdf

(

const Point &

Pshape

)

const [inline, virtual]

Definition at line 61 of file shape.h.

References Area().

Referenced by Sphere::Pdf().

void Shape::Refine

(

vector< Reference< Shape > > &

refined

)

const [virtual]

Reimplemented in Heightfield, LoopSubdiv, NURBS, and TriangleMesh.

Definition at line 54 of file shape.cpp.

References Severe().

virtual Point Shape::Sample	(	const Point &	P,
		float	u1,
		float	u2,
		Normal *	Ns
	)			const [inline, virtual]

Reimplemented in Sphere.

Definition at line 64 of file shape.h.

References Sample().

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

Reimplemented in Cylinder, Disk, Sphere, and Triangle.

Definition at line 57 of file shape.h.

References Severe().

Referenced by Sample().

BBox Shape::WorldBound

(

)

const [virtual]

Reimplemented in LoopSubdiv, NURBS, TriangleMesh, and Triangle.

Definition at line 44 of file shape.cpp.

References ObjectBound(), and ObjectToWorld.

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Member Data Documentation

uint32_t Shape::nextshapeId = 1 [static]

Definition at line 74 of file shape.h.

const Transform* Shape::ObjectToWorld

Definition at line 71 of file shape.h.

Referenced by Triangle::GetShadingGeometry(), Sphere::Intersect(), Paraboloid::Intersect(), Hyperboloid::Intersect(), Disk::Intersect(), Cylinder::Intersect(), Cone::Intersect(), TriangleMesh::Refine(), NURBS::Refine(), LoopSubdiv::Refine(), Heightfield::Refine(), Sphere::Sample(), Disk::Sample(), Cylinder::Sample(), TriangleMesh::TriangleMesh(), WorldBound(), and LoopSubdiv::WorldBound().

const bool Shape::ReverseOrientation

Definition at line 72 of file shape.h.

Referenced by Material::Bump(), DifferentialGeometry::DifferentialGeometry(), TriangleMesh::Refine(), NURBS::Refine(), LoopSubdiv::Refine(), Heightfield::Refine(), Triangle::Sample(), Sphere::Sample(), Disk::Sample(), and Cylinder::Sample().

const uint32_t Shape::shapeId

Definition at line 73 of file shape.h.

const bool Shape::TransformSwapsHandedness

Definition at line 72 of file shape.h.

Referenced by Material::Bump(), and DifferentialGeometry::DifferentialGeometry().

const Transform * Shape::WorldToObject

Definition at line 71 of file shape.h.

Referenced by Triangle::ObjectBound(), TriangleMesh::ObjectBound(), TriangleMesh::Refine(), NURBS::Refine(), LoopSubdiv::Refine(), and Heightfield::Refine().

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

• shape.h
• shape.cpp