rcrt::Primitive Class Reference

#include <Primitive.h>

Inheritance diagram for rcrt::Primitive:

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Collaboration diagram for rcrt::Primitive:

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List of all members.

Public Member Functions
	Primitive (SolidObject *parent=0)
virtual	~Primitive ()
virtual Vec3D	getSNormal (float a, float b) const =0
virtual Vec3D	getGNormal (float a, float b) const =0
Vec3D	getSNormalWorld (float a, float b) const
Vec3D	getGNormalWorld (float a, float b) const
virtual Vec3D	getTangent (float a, float b) const
virtual Point2D	getUV (float a, float b) const =0
Vec3D	normalToWorld (const Vec3D &no) const
SolidObject *	getParent () const
virtual Material *const	getMaterial () const
Protected Attributes
SolidObject *	parent

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Detailed Description

The base class of all Triangles/AABBs/Quads/Spheres/etc.

Definition at line 15 of file Primitive.h.

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Constructor & Destructor Documentation

rcrt::Primitive::Primitive

(

SolidObject *

parent = 0

)

Definition at line 7 of file Primitive.cpp.

rcrt::Primitive::~Primitive

(

)

[virtual]

Definition at line 12 of file Primitive.cpp.

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Member Function Documentation

virtual Vec3D rcrt::Primitive::getSNormal	(	float	a,
		float	b
	)			const [pure virtual]

Parameters:

	a	2D Parameterization of the surface
	b	2D Parameterization of the surface

Returns:

The local space shading normal of the parameterized point on the primitive.

Implemented in rcrt::AABB, rcrt::ConvexQuad, rcrt::Sphere, and rcrt::Triangle.

Referenced by rcrt::Intersection::getSNormalL(), and getSNormalWorld().

virtual Vec3D rcrt::Primitive::getGNormal	(	float	a,
		float	b
	)			const [pure virtual]

Parameters:

	a	2D Parameterization of the surface
	b	2D Parameterization of the surface

Returns:

The local space geometry normal of the parameterized point on the primitive.

Implemented in rcrt::AABB, rcrt::ConvexQuad, rcrt::Sphere, and rcrt::Triangle.

Referenced by rcrt::Intersection::getGNormalL(), and getGNormalWorld().

Vec3D rcrt::Primitive::getSNormalWorld	(	float	a,
		float	b
	)			const

Parameters:

	a	2D Parameterization of the surface
	b	2D Parameterization of the surface

Returns:

The world space shading normal of the parameterized point on the primitive.

Definition at line 22 of file Primitive.cpp.

References getSNormal(), rcrt::SolidObject::normalToWorld(), and parent.

Referenced by rcrt::Intersection::getSNormalW().

Vec3D rcrt::Primitive::getGNormalWorld	(	float	a,
		float	b
	)			const

Parameters:

	a	2D Parameterization of the surface
	b	2D Parameterization of the surface

Returns:

The world space geometry normal of the parameterized point on the primitive.

Definition at line 27 of file Primitive.cpp.

References getGNormal(), rcrt::SolidObject::normalToWorld(), and parent.

Referenced by rcrt::Intersection::getGNormalW().

Vec3D rcrt::Primitive::getTangent	(	float	a,
		float	b
	)			const [virtual]

Parameters:

	a	2D Parameterization of the surface
	b	2D Parameterization of the surface

Returns:

The local space tangent vector of the parameterized point on the primitive.

Reimplemented in rcrt::Triangle.

Definition at line 32 of file Primitive.cpp.

Referenced by rcrt::Material::getShadingNormal().

virtual Point2D rcrt::Primitive::getUV	(	float	a,
		float	b
	)			const [pure virtual]

Parameters:

	a	2D Parameterization of the surface
	b	2D Parameterization of the surface

Returns:

UV texture coordinates of this point.

Implemented in rcrt::AABB, rcrt::ConvexQuad, rcrt::Sphere, and rcrt::Triangle.

Referenced by rcrt::Intersection::getUV().

Vec3D rcrt::Primitive::normalToWorld

(

const Vec3D &

no

)

const

Parameters:

no

A normal vector.

Returns:

the given normal vector transformed to world space.

Definition at line 42 of file Primitive.cpp.

References rcrt::SolidObject::normalToWorld(), and parent.

Referenced by rcrt::Intersection::getGNormalW(), and rcrt::Intersection::getSNormalW().

SolidObject * rcrt::Primitive::getParent

(

)

const

Returns:

the parent object of this primitive.

Definition at line 17 of file Primitive.cpp.

References parent.

Referenced by rcrt::SimpleTracer::directLight(), rcrt::PhotonTracer::directLight(), rcrt::SimpleTracer::trace(), rcrt::RayCaster::trace(), and rcrt::PhotonTracer::trace().

Material *const rcrt::Primitive::getMaterial

(

)

const [virtual]

Returns:

the material on this primitive.

Definition at line 37 of file Primitive.cpp.

References rcrt::Object::getMaterial(), and parent.

Referenced by rcrt::PhotonMap::getRadiance(), and rcrt::Scene::isOccluded().

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Member Data Documentation

SolidObject* rcrt::Primitive::parent [protected]

The object to which this primitive belongs.

Definition at line 21 of file Primitive.h.

Referenced by rcrt::DisplacedTriangle::getDispPoint(), getGNormalWorld(), getMaterial(), getParent(), getSNormalWorld(), rcrt::DisplacedTriangle::intersect(), and normalToWorld().

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

• src/rcrt/primitives/Primitive.h
• src/rcrt/primitives/Primitive.cpp

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