#include <OPC_IceHook.h>

Public Member Functions
float	Angle (const IndexedTriangle &tri, const Point *verts) const

float	Area (const Point *verts) const

bool	BackfaceCulling (const Point *verts, const Point &source) const

void	Center (const Point *verts, Point &center) const

void	CenteredNormal (const Point *verts, Point &normal) const

float	Compacity (const Point *verts) const

CubeIndex	ComputeCubeIndex (const Point *verts) const

float	ComputeOcclusionPotential (const Point *verts, const Point &view) const

void	ComputePoint (const Point verts, float u, float v, Point &pt, udword nearvtx=null) const

void	DenormalizedNormal (const Point *verts, Point &normal) const

bool	Equal (const IndexedTriangle &tri) const

ubyte	FindEdge (udword vref0, udword vref1) const

void	Flip ()

void	GetVRefs (ubyte edgenb, udword &vref0, udword &vref1, udword &vref2) const

bool	HasVertex (udword ref) const

bool	HasVertex (udword ref, udword *index) const

inline_	IndexedTriangle ()
	Constructor. More...

inline_	IndexedTriangle (udword r0, udword r1, udword r2)
	Constructor. More...

inline_	IndexedTriangle (const IndexedTriangle &triangle)
	Copy constructor. More...

bool	IsDegenerate () const

bool	IsVisible (const Point *verts, const Point &source) const

float	MaxEdgeLength (const Point *verts) const

float	MinEdgeLength (const Point *verts) const

void	Normal (const Point *verts, Point &normal) const

udword	OppositeVertex (udword vref0, udword vref1) const

inline_ udword	OppositeVertex (ubyte edgenb) const

float	Perimeter (const Point *verts) const

inline_ Plane	PlaneEquation (const Point *verts) const

void	RandomPoint (const Point *verts, Point &random) const

bool	ReplaceVertex (udword oldref, udword newref)

inline_	~IndexedTriangle ()
	Destructor. More...

Public Attributes
udword	mVRef [3]
	Vertex-references. More...

Detailed Description

Definition at line 24 of file OPC_IceHook.h.

Constructor & Destructor Documentation

inline_ IceMaths::IndexedTriangle::IndexedTriangle ( )

inline

Constructor.

Definition at line 28 of file OPC_IceHook.h.

inline_ IceMaths::IndexedTriangle::IndexedTriangle	(	udword	r0,
		udword	r1,
		udword	r2
	)

inline

Constructor.

Definition at line 30 of file OPC_IceHook.h.

inline_ IceMaths::IndexedTriangle::IndexedTriangle ( const IndexedTriangle & triangle )

inline

Copy constructor.

Definition at line 32 of file OPC_IceHook.h.

inline_ IceMaths::IndexedTriangle::~IndexedTriangle ( )

inline

Destructor.

Definition at line 39 of file OPC_IceHook.h.

Member Function Documentation

float IndexedTriangle::Angle	(	const IndexedTriangle &	tri,
		const Point *	verts
	)		const

Computes the angle between two triangles.

Parameters

tri	[in] the other triangle
verts	[in] the list of indexed vertices

Returns: the angle in radians

Definition at line 516 of file IceIndexedTriangle.cpp.

float IndexedTriangle::Area ( const Point * verts ) const

Computes the triangle area.

Parameters

verts [in] the list of indexed vertices

Returns: the area

Definition at line 44 of file IceIndexedTriangle.cpp.

bool IndexedTriangle::BackfaceCulling	(	const Point *	verts,
		const Point &	source
	)		const

Computes backface culling.

Parameters

verts	[in] the list of indexed vertices
source	[in] source point (in local space) from which culling must be computed

Returns: true if the triangle is visible from the source point

Definition at line 217 of file IceIndexedTriangle.cpp.

void IndexedTriangle::Center	(	const Point *	verts,
		Point &	center
	)		const

Computes the triangle center.

Parameters

verts	[in] the list of indexed vertices
center	[out] the computed center

Definition at line 127 of file IceIndexedTriangle.cpp.

void IndexedTriangle::CenteredNormal	(	const Point *	verts,
		Point &	normal
	)		const

Computes the centered normal

Parameters

verts	[in] the list of indexed vertices
normal	[out] the computed centered normal

Definition at line 144 of file IceIndexedTriangle.cpp.

float IndexedTriangle::Compacity ( const Point * verts ) const

Computes the triangle compacity.

Parameters

verts [in] the list of indexed vertices

Returns: the compacity

Definition at line 78 of file IceIndexedTriangle.cpp.

CubeIndex IceMaths::IndexedTriangle::ComputeCubeIndex ( const Point * verts ) const

float IndexedTriangle::ComputeOcclusionPotential	(	const Point *	verts,
		const Point &	view
	)		const

Computes the occlusion potential of the triangle.

Parameters

verts	[in] the list of indexed vertices
source	[in] source point (in local space) from which occlusion potential must be computed

Returns: the occlusion potential

Definition at line 249 of file IceIndexedTriangle.cpp.

void IndexedTriangle::ComputePoint	(	const Point *	verts,
		float	u,
		float	v,
		Point &	pt,
		udword *	nearvtx = `null`
	)		const

Computes a point on the triangle according to the stabbing information.

Parameters

verts	[in] the list of indexed vertices
u,v	[in] point's barycentric coordinates
pt	[out] point on triangle
nearvtx	[out] index of nearest vertex

Definition at line 450 of file IceIndexedTriangle.cpp.

void IndexedTriangle::DenormalizedNormal	(	const Point *	verts,
		Point &	normal
	)		const

Computes the triangle denormalized normal.

Parameters

verts	[in] the list of indexed vertices
normal	[out] the computed normal

Definition at line 110 of file IceIndexedTriangle.cpp.

bool IndexedTriangle::Equal ( const IndexedTriangle & tri ) const

Checks a triangle is the same as another one.

Parameters

tri	[in] the other triangle

Returns: true if same triangle

Definition at line 542 of file IceIndexedTriangle.cpp.

ubyte IndexedTriangle::FindEdge	(	udword	vref0,
		udword	vref1
	)		const

Finds an edge in a tri, given two vertex references.

Parameters

vref0	[in] the edge's first vertex reference
vref1	[in] the edge's second vertex reference

Returns: the edge number between 0 and 2, or 0xff if input refs are wrong.

Definition at line 334 of file IceIndexedTriangle.cpp.

void IndexedTriangle::Flip ( )

Flips the winding order.

Definition at line 32 of file IceIndexedTriangle.cpp.

void IndexedTriangle::GetVRefs	(	ubyte	edgenb,
		udword &	vref0,
		udword &	vref1,
		udword &	vref2
	)		const

Gets the three sorted vertex references according to an edge number. edgenb = 0 => edge 0-1, returns references 0, 1, 2 edgenb = 1 => edge 0-2, returns references 0, 2, 1 edgenb = 2 => edge 1-2, returns references 1, 2, 0

Parameters

edgenb	[in] the edge number, 0, 1 or 2
vref0	[out] the returned first vertex reference
vref1	[out] the returned second vertex reference
vref2	[out] the returned third vertex reference

Definition at line 377 of file IceIndexedTriangle.cpp.

bool IndexedTriangle::HasVertex ( udword ref ) const

Checks whether the input vertex reference belongs to the triangle or not.

Parameters

ref	[in] the vertex reference to look for

Returns: true if the triangle contains the vertex reference

Definition at line 302 of file IceIndexedTriangle.cpp.

bool IndexedTriangle::HasVertex	(	udword	ref,
		udword *	index
	)		const

Checks whether the input vertex reference belongs to the triangle or not.

Parameters

ref	[in] the vertex reference to look for
index	[out] the corresponding index in the triangle

Returns: true if the triangle contains the vertex reference

Definition at line 318 of file IceIndexedTriangle.cpp.

bool IndexedTriangle::IsDegenerate ( ) const

Checks whether the triangle is degenerate or not. A degenerate triangle has two common vertex references. This is a zero-area triangle.

Returns: true if the triangle is degenerate

Definition at line 287 of file IceIndexedTriangle.cpp.

bool IndexedTriangle::IsVisible	(	const Point *	verts,
		const Point &	source
	)		const

Computes backface culling.

Parameters

verts	[in] the list of indexed vertices
source	[in] source point (in local space) from which culling must be computed

Returns: true if the triangle is visible from the source point

Definition at line 189 of file IceIndexedTriangle.cpp.

float IndexedTriangle::MaxEdgeLength ( const Point * verts ) const

Computes the triangle's largest edge length.

Parameters

verts [in] the list of indexed vertices

Returns: the largest edge length

Definition at line 427 of file IceIndexedTriangle.cpp.

float IndexedTriangle::MinEdgeLength ( const Point * verts ) const

Computes the triangle's smallest edge length.

Parameters

verts [in] the list of indexed vertices

Returns: the smallest edge length

Definition at line 406 of file IceIndexedTriangle.cpp.

void IndexedTriangle::Normal	(	const Point *	verts,
		Point &	normal
	)		const

Computes the triangle normal.

Parameters

verts	[in] the list of indexed vertices
normal	[out] the computed normal

Definition at line 93 of file IceIndexedTriangle.cpp.

udword IndexedTriangle::OppositeVertex	(	udword	vref0,
		udword	vref1
	)		const

Gets the last reference given the first two.

Parameters

vref0	[in] the first vertex reference
vref1	[in] the second vertex reference

Returns: the last reference, or INVALID_ID if input refs are wrong.

Definition at line 353 of file IceIndexedTriangle.cpp.

inline_ udword IceMaths::IndexedTriangle::OppositeVertex ( ubyte edgenb ) const

inline

Definition at line 62 of file OPC_IceHook.h.

float IndexedTriangle::Perimeter ( const Point * verts ) const

Computes the triangle perimeter.

Parameters

verts [in] the list of indexed vertices

Returns: the perimeter

Definition at line 60 of file IceIndexedTriangle.cpp.

inline_ Plane IceMaths::IndexedTriangle::PlaneEquation ( const Point * verts ) const

inline

Definition at line 68 of file OPC_IceHook.h.

void IndexedTriangle::RandomPoint	(	const Point *	verts,
		Point &	random
	)		const

Computes a random point within the triangle.

Parameters

verts	[in] the list of indexed vertices
normal	[out] the computed centered normal

Definition at line 162 of file IceIndexedTriangle.cpp.

bool IndexedTriangle::ReplaceVertex	(	udword	oldref,
		udword	newref
	)

Replaces a vertex reference with another one.

Parameters

oldref	[in] the vertex reference to replace
newref	[in] the new vertex reference

Returns: true if success, else false if the input vertex reference doesn't belong to the triangle

Definition at line 273 of file IceIndexedTriangle.cpp.

Member Data Documentation

udword IceMaths::IndexedTriangle::mVRef[3]

Vertex-references.

Definition at line 41 of file OPC_IceHook.h.

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

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation