3-D triangle geometry. More...

#include <Core/Geometry/Triangle3.h>

Inheritance diagram for CubbyFlow::Triangle3:

Classes
class	Builder
	Front-end to create Triangle3 objects step by step. More...

Public Member Functions
	Triangle3 (const Transform3 &transform=Transform3(), bool isNormalFlipped=false)
	Constructs an empty triangle. More...

	Triangle3 (const std::array< Vector3D, 3 > &points, const std::array< Vector3D, 3 > &normals, const std::array< Vector2D, 3 > &uvs, const Transform3 &transform=Transform3(), bool isNormalFlipped=false)
	Constructs a triangle with given `points`, `normals`, and `uvs`. More...

	Triangle3 (const Triangle3 &other)
	Copy constructor. More...

double	Area () const
	Returns the area of this triangle. More...

void	GetBarycentricCoords (const Vector3D &pt, double b0, double b1, double *b2) const
	Returns barycentric coordinates for the given point `pt`. More...

Vector3D	FaceNormal () const
	Returns the face normal of the triangle. More...

void	SetNormalsToFaceNormal ()
	Set Triangle3::normals to the face normal. More...

Public Member Functions inherited from CubbyFlow::Surface3
	Surface3 (const Transform3 &transform=Transform3(), bool isNormalFlipped=false)
	Constructs a surface with normal direction. More...

	Surface3 (const Surface3 &other)
	Copy constructor. More...

virtual	~Surface3 ()
	Default destructor. More...

Vector3D	ClosestPoint (const Vector3D &otherPoint) const
	Returns the closest point from the given point `otherPoint` to the surface. More...

BoundingBox3D	BoundingBox () const
	Returns the bounding box of this surface object. More...

bool	Intersects (const Ray3D &ray) const
	Returns true if the given `ray` intersects with this surface object. More...

double	ClosestDistance (const Vector3D &otherPoint) const

SurfaceRayIntersection3	ClosestIntersection (const Ray3D &ray) const
	Returns the closest intersection point for given `ray`. More...

Vector3D	ClosestNormal (const Vector3D &otherPoint) const

virtual void	UpdateQueryEngine ()
	Updates internal spatial query engine. More...

Static Public Member Functions
static Builder	GetBuilder ()
	Returns builder fox Triangle3. More...

Public Attributes
std::array< Vector3D, 3 >	points
	Three points. More...

std::array< Vector3D, 3 >	normals
	Three normals. More...

std::array< Vector2D, 3 >	uvs
	Three UV coordinates. More...

Public Attributes inherited from CubbyFlow::Surface3
Transform3	transform
	Local-to-world transform. More...

bool	isNormalFlipped = false
	Flips normal when calling Surface3::closestNormal(...). More...

Protected Member Functions
Vector3D	ClosestPointLocal (const Vector3D &otherPoint) const override

bool	IntersectsLocal (const Ray3D &ray) const override

BoundingBox3D	BoundingBoxLocal () const override
	Returns the bounding box of this surface object in local frame. More...

Vector3D	ClosestNormalLocal (const Vector3D &otherPoint) const override

SurfaceRayIntersection3	ClosestIntersectionLocal (const Ray3D &ray) const override
	Returns the closest intersection point for given `ray` in local frame. More...

Protected Member Functions inherited from CubbyFlow::Surface3
virtual double	ClosestDistanceLocal (const Vector3D &otherPoint) const

Detailed Description

3-D triangle geometry.

This class represents 3-D triangle geometry which extends Surface3 by overriding surface-related queries.

Constructor & Destructor Documentation

◆ Triangle3() [1/3]

CubbyFlow::Triangle3::Triangle3	(	const Transform3 &	transform = `Transform3()`,
		bool	isNormalFlipped = `false`
	)

Constructs an empty triangle.

◆ Triangle3() [2/3]

CubbyFlow::Triangle3::Triangle3	(	const std::array< Vector3D, 3 > &	points,
		const std::array< Vector3D, 3 > &	normals,
		const std::array< Vector2D, 3 > &	uvs,
		const Transform3 &	transform = `Transform3()`,
		bool	isNormalFlipped = `false`
	)

Constructs a triangle with given points, normals, and uvs.

◆ Triangle3() [3/3]

CubbyFlow::Triangle3::Triangle3 ( const Triangle3 & other )

Copy constructor.

Member Function Documentation

◆ Area()

double CubbyFlow::Triangle3::Area ( ) const

Returns the area of this triangle.

◆ BoundingBoxLocal()

BoundingBox3D CubbyFlow::Triangle3::BoundingBoxLocal ( ) const

overrideprotectedvirtual

Returns the bounding box of this surface object in local frame.

Implements CubbyFlow::Surface3.

◆ ClosestIntersectionLocal()

SurfaceRayIntersection3 CubbyFlow::Triangle3::ClosestIntersectionLocal ( const Ray3D & ray ) const

overrideprotectedvirtual

Returns the closest intersection point for given ray in local frame.

Implements CubbyFlow::Surface3.

◆ ClosestNormalLocal()

Vector3D CubbyFlow::Triangle3::ClosestNormalLocal ( const Vector3D & otherPoint ) const

overrideprotectedvirtual

Returns the normal to the closest point on the surface from the given point otherPoint in local frame.

Implements CubbyFlow::Surface3.

◆ ClosestPointLocal()

Vector3D CubbyFlow::Triangle3::ClosestPointLocal ( const Vector3D & otherPoint ) const

overrideprotectedvirtual

Returns the closest point from the given point otherPoint to the surface in local frame.

Implements CubbyFlow::Surface3.

◆ FaceNormal()

Vector3D CubbyFlow::Triangle3::FaceNormal ( ) const

Returns the face normal of the triangle.

◆ GetBarycentricCoords()

void CubbyFlow::Triangle3::GetBarycentricCoords	(	const Vector3D &	pt,
		double *	b0,
		double *	b1,
		double *	b2
	)		const

Returns barycentric coordinates for the given point pt.

◆ GetBuilder()

static Builder CubbyFlow::Triangle3::GetBuilder ( )

static

Returns builder fox Triangle3.

◆ IntersectsLocal()

bool CubbyFlow::Triangle3::IntersectsLocal ( const Ray3D & ray ) const

overrideprotectedvirtual

Returns true if the given ray intersects with this surface object in local frame.

Reimplemented from CubbyFlow::Surface3.

◆ SetNormalsToFaceNormal()

void CubbyFlow::Triangle3::SetNormalsToFaceNormal ( )

Set Triangle3::normals to the face normal.

Member Data Documentation

◆ normals

std::array<Vector3D, 3> CubbyFlow::Triangle3::normals

Three normals.

◆ points

std::array<Vector3D, 3> CubbyFlow::Triangle3::points

Three points.

◆ uvs

std::array<Vector2D, 3> CubbyFlow::Triangle3::uvs

Three UV coordinates.

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

Core/Geometry/Triangle3.h

Classes

Public Member Functions

Static Public Member Functions

Public Attributes

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ Triangle3() [1/3]

◆ Triangle3() [2/3]

◆ Triangle3() [3/3]

Member Function Documentation

◆ Area()

◆ BoundingBoxLocal()

◆ ClosestIntersectionLocal()

◆ ClosestNormalLocal()

◆ ClosestPointLocal()

◆ FaceNormal()

◆ GetBarycentricCoords()

◆ GetBuilder()

◆ IntersectsLocal()

◆ SetNormalsToFaceNormal()

Member Data Documentation

◆ normals

◆ points

◆ uvs