Bial::Triangle Class Reference

Simple triangle Shape, used in TriangleMesh. More...

#include <DrawShape.hpp>

Inheritance diagram for Bial::Triangle:

Collaboration diagram for Bial::Triangle:

Public Member Functions
	Triangle (const Transform3D *o2w, const Transform3D *w2o, bool ro, TriangleMesh *m, size_t n)
	Triangle Constructor. More...
virtual BBox	ObjectBound () const
	ObjectBound is the shape bounding box. More...
virtual BBox	WorldBound () const
	WorldBound is the Shape's Bounding box transformed by the ObjectToWorld transform matrix. More...
virtual bool	Intersect (const Ray &ray, float *tHit, float *rayEpsilon, DifferentialGeometry *dg) const
	Intersect returns geometric information about a single ray­shape intersection corresponding to the first intersection, if any, in the [mint, maxt] parametric range along the ray. More...
void	GetUVs (float uv[3][2]) const
	GetUVS. More...
float	Area () const
	Area calculates the surface Area. More...
virtual void	GetShadingGeometry (const Transform3D &obj2world, const DifferentialGeometry &dg, DifferentialGeometry *dgShading) const
	GetShadingGeometry. More...
Public Member Functions inherited from Bial::Shape
	Shape (const Transform3D *o2w, const Transform3D *w2o, bool ro)
	Shape Constructor. More...
virtual bool	CanIntersect () const
	CanIntersect indicates that a shape can compute ray intersections, so only shapes that are nonintersectable need to override this method. More...
virtual void	Refine (Vector< std::shared_ptr< Shape > > &refined) const
	Refine is a method that splits the shape into a group of new shapes, some of which may be intersectable and some of which may need further refinement. More...
virtual bool	IntersectP (const Ray &ray) const
	IntersectP is a predicate function that determines whether or not an intersection occurs, without returning any details about the intersection itself. More...
float	Area () const
	Area calculates the surface Area. More...
template<class O >
void	Print (O &os) const
	Print assings Shape information to stream. More...

Public Attributes
std::shared_ptr< TriangleMesh >	mesh
	mesh More...
size_t *	v
	v More...
Public Attributes inherited from Bial::Shape
const Transform3D *	ObjectToWorld
	ObjectToWorld is the object's transformation matrix. More...
const Transform3D *	WorldToObject
	WorldToObject is the inverse object's transformation matrix. More...
const bool	ReverseOrientation
	ReverseOrientation indicates whether their surface normal directions should be reversed from the default. More...
const bool	TransformSwapsHandedness
	TransformSwapsHandedness stores the result of the Transform::SwapsHandedness() call for their object­to­world transformation. More...
const uint32_t	shapeId
	shapeId is the Shape's unique id. More...

Additional Inherited Members
Static Public Attributes inherited from Bial::Shape
static uint32_t	nextShapeId
	nextShapeId is a static attribute that is incremented at each Shape Construction. More...

Detailed Description

Simple triangle Shape, used in TriangleMesh.

Definition at line 283 of file DrawShape.hpp.

Constructor & Destructor Documentation

Bial::Triangle::Triangle	(	const Transform3D *	o2w,
		const Transform3D *	w2o,
		bool	ro,
		TriangleMesh *	m,
		size_t	n
	)

Triangle Constructor.

Parameters

o2w	Object to World transform matrix.
w2o	World to Object transform matrix.
ro	indicates if the surface normal should be reversed.
m	is a reference to the parent TriangleMesh
n	is the triangle index in the mesh.

Member Function Documentation

float Bial::Triangle::Area

(

)

const

Area calculates the surface Area.

Returns

surface area.

virtual void Bial::Triangle::GetShadingGeometry ( const Transform3D &  obj2world, const DifferentialGeometry &  dg, DifferentialGeometry *  dgShading  ) const

virtual

GetShadingGeometry.

Parameters

obj2world
dg
dgShading

Reimplemented from Bial::Shape.

void Bial::Triangle::GetUVs

(

float

uv[3][2]

)

const

GetUVS.

Parameters

uv

virtual bool Bial::Triangle::Intersect ( const Ray &  ray, float *  tHit, float *  rayEpsilon, DifferentialGeometry *  dg  ) const

virtual

Intersect returns geometric information about a single ray­shape intersection corresponding to the first intersection, if any, in the [mint, maxt] parametric range along the ray.

Parameters

ray
tHit
rayEpsilon
dg

Returns

Reimplemented from Bial::Shape.

virtual BBox Bial::Triangle::ObjectBound ( ) const

virtual

ObjectBound is the shape bounding box.

Returns

Implements Bial::Shape.

virtual BBox Bial::Triangle::WorldBound ( ) const

virtual

WorldBound is the Shape's Bounding box transformed by the ObjectToWorld transform matrix.

Returns

Reimplemented from Bial::Shape.

Member Data Documentation

std::shared_ptr< TriangleMesh > Bial::Triangle::mesh

mesh

Definition at line 288 of file DrawShape.hpp.

size_t* Bial::Triangle::v

v

Definition at line 292 of file DrawShape.hpp.

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

• bial/inc/DrawShape.hpp