#include <iMeshBuilder.h>

Public Member Functions
	iMeshBuilder ()

	~iMeshBuilder ()

void	setMatrix (const iaMatrixf &matrix)

void	multMatrix (const iaMatrixf &matrix)

void	getMatrix (iaMatrixf &matrix)

void	calcBoundingBox (iAABoxd &bbox) const

uint32	addVertex (const iaVector3f &vertex)

uint32	addVertex (const iaVector4f &vertex)

void	setNormal (uint32 index, const iaVector3f &normal)

void	accumulateNormal (uint32 index, const iaVector3f &normal)

void	setColor (uint32 index, const iaColor4f &color)

void	setTexCoord (const iaVector2f &texCoord, uint32 unit)

void	setTexCoord (uint32 index, const iaVector2f &texCoord, uint32 unit)

uint32	addTriangle (const uint32 indexA, const uint32 indexB, const uint32 indexC, const uint32 indexOffset=0)

void	setJoinVertexes (bool joinVertexes=true)

void	normalizeNormals ()

bool	getJoinVertexes ()

uint32	getVertexCount () const

uint32	getTrianglesCount () const

uint32	getTextureUnitCount () const

const std::vector< iaVector3f > &	getVertexes () const

const std::vector< iaVector3f > &	getNormals () const

const std::vector< iIndexedTriangle > &	getTriangles () const

bool	hasNormals () const

bool	hasColors () const

void	calcNormals (bool sharpEdges=false)

iMeshPtr	createMesh ()

iMeshPtr	createMesh (const std::vector< uint32 > &triangles)

void	clear ()

void	copyTriangles (std::vector< uint32 > srcTriangleIndexes, iMeshBuilder &dst)

void	calcSphericalTexcoordsByNormals (int texunit, float32 scale=1.0f)

void	calcSphericalTexcoordsByPosition (const iaVector3f &center, int texunit, float32 scale=1.0f)

void	calcPlanarTextureCoordinates (const iaVector3f &center, iaAxis direction, int texunit, float32 scale=1.0f)

void	cleanup ()

Detailed Description

builds up a mesh and spits out iMesh

Constructor & Destructor Documentation

◆ iMeshBuilder()

igor::iMeshBuilder::iMeshBuilder ( )

does nothing

◆ ~iMeshBuilder()

igor::iMeshBuilder::~iMeshBuilder ( )

does nothing

Member Function Documentation

◆ accumulateNormal()

void igor::iMeshBuilder::accumulateNormal	(	uint32	index,
		const iaVector3f &	normal
	)

accumulates normal values for specified index

Parameters

index	the index of vertex to manipulate
normal	the normal vector to accumulate

◆ addTriangle()

uint32 igor::iMeshBuilder::addTriangle	(	const uint32	indexA,
		const uint32	indexB,
		const uint32	indexC,
		const uint32	indexOffset = `0`
	)

adds indexes of a triangle to the data

Parameters

indexA	first point of triangle
indexB	second point of triangle
indexC	third point of triangle
indexOffset	index offset

Returns: index of triangle created

◆ addVertex() [1/2]

uint32 igor::iMeshBuilder::addVertex ( const iaVector3f & vertex )

adds vertex to data

Parameters

vertex the vertex to add

Returns: index of vertex added

◆ addVertex() [2/2]

uint32 igor::iMeshBuilder::addVertex ( const iaVector4f & vertex )

adds vertex to data

ignores the 4th component

Parameters

vertex the vertex to add

Returns: index of vertex added

◆ calcBoundingBox()

void igor::iMeshBuilder::calcBoundingBox ( iAABoxd & bbox ) const

calculating the bounding box

◆ calcNormals()

void igor::iMeshBuilder::calcNormals ( bool sharpEdges = false )

calculates normals for mesh

Parameters

sharpEdges if true sharp edges will cause plit of neighbor triangles for more realistic representation

◆ calcPlanarTextureCoordinates()

void igor::iMeshBuilder::calcPlanarTextureCoordinates	(	const iaVector3f &	center,
		iaAxis	direction,
		int	texunit,
		float32	scale = `1.0f`
	)

calculates planar texture coordinates from specified axis aligned direction

Parameters

center	it kind of works like an offset
direction	the axis in which we project the texture coordinates
texunit	the destination texture unit
scale	the texture coordinate scale

◆ calcSphericalTexcoordsByNormals()

void igor::iMeshBuilder::calcSphericalTexcoordsByNormals	(	int	texunit,
		float32	scale = `1.0f`
	)

calculates spherical texture coordinates based on vertex normal orientation

Parameters

texunit	texture unit to put the result in
scale	scaling the texture coordinates

◆ calcSphericalTexcoordsByPosition()

void igor::iMeshBuilder::calcSphericalTexcoordsByPosition	(	const iaVector3f &	center,
		int	texunit,
		float32	scale = `1.0f`
	)

calculates spherical texture coordinate based on vertex position relative to center

Parameters

center	the center the calculation bases on
texunit	the texture unit to put the result in
scale	scaling the texture coordinates

◆ cleanup()

void igor::iMeshBuilder::cleanup ( )

tries to repair what is inconsistent

◆ clear()

void igor::iMeshBuilder::clear ( )

clears data and set transformation matrix to identity

◆ copyTriangles()

void igor::iMeshBuilder::copyTriangles	(	std::vector< uint32 >	srcTriangleIndexes,
		iMeshBuilder &	dst
	)

copies the triangles in the index list to an other iMeshBuilder

Parameters

srcTriangleIndexes list of triangle indexes to copy

◆ createMesh() [1/2]

iMeshPtr igor::iMeshBuilder::createMesh ( )

creates and returns a mesh based on current data

Returns: shared pointer to iMesh

◆ createMesh() [2/2]

iMeshPtr igor::iMeshBuilder::createMesh ( const std::vector< uint32 > & triangles )

creates ans returns a mesh based on current data filtered by given triangles list

Parameters

triangles list of triangle IDs that end up in the mesh

Returns: shared pointer to mesh

◆ getJoinVertexes()

bool igor::iMeshBuilder::getJoinVertexes ( )

Returns: join vertexes flag

◆ getMatrix()

void igor::iMeshBuilder::getMatrix ( iaMatrixf & matrix )

returns transformation matrix affecting next vertex to be set

Parameters

[out] matrix returned matrix

◆ getNormals()

const std::vector< iaVector3f > & igor::iMeshBuilder::getNormals ( ) const

Returns: list of vertex normals

◆ getTextureUnitCount()

uint32 igor::iMeshBuilder::getTextureUnitCount ( ) const

Returns: texture unit count

◆ getTriangles()

const std::vector< iIndexedTriangle > & igor::iMeshBuilder::getTriangles ( ) const

Returns: list of indexed triangles

◆ getTrianglesCount()

uint32 igor::iMeshBuilder::getTrianglesCount ( ) const

Returns: triangle count

◆ getVertexCount()

uint32 igor::iMeshBuilder::getVertexCount ( ) const

Returns: vertex count

◆ getVertexes()

const std::vector< iaVector3f > & igor::iMeshBuilder::getVertexes ( ) const

Returns: list of vertex positions

◆ hasColors()

bool igor::iMeshBuilder::hasColors ( ) const

Returns: true if data contains colors

◆ hasNormals()

bool igor::iMeshBuilder::hasNormals ( ) const

Returns: true: if mesh has _normals; false: mesh has no _normals

◆ multMatrix()

void igor::iMeshBuilder::multMatrix ( const iaMatrixf & matrix )

multiplies current matrix with given matrix

Parameters

matrix matrix to multiply with

◆ normalizeNormals()

void igor::iMeshBuilder::normalizeNormals ( )

normalizes all normals

◆ setColor()

void igor::iMeshBuilder::setColor	(	uint32	index,
		const iaColor4f &	color
	)

sets color of last added vertex

Parameters

color the color to add

◆ setJoinVertexes()

void igor::iMeshBuilder::setJoinVertexes ( bool joinVertexes = true )

set's if added vertexes will be joined when heaving same position

can only be set before the first vertex was added

Parameters

joinVertexes on off flag

◆ setMatrix()

void igor::iMeshBuilder::setMatrix ( const iaMatrixf & matrix )

sets transformation matrix affecting next vertex to be set

Parameters

matrix transformation matrix

◆ setNormal()

void igor::iMeshBuilder::setNormal	(	uint32	index,
		const iaVector3f &	normal
	)

sets normal of last added vertex

Parameters

normal the normal to add

◆ setTexCoord() [1/2]

void igor::iMeshBuilder::setTexCoord	(	const iaVector2f &	texCoord,
		uint32	unit
	)

sets texture coordinate of last added vertex

Parameters

texCoord	the texture coordinate to add
unit	the texture unit to add the texture coodinate to

◆ setTexCoord() [2/2]

void igor::iMeshBuilder::setTexCoord	(	uint32	index,
		const iaVector2f &	texCoord,
		uint32	unit
	)

sets texture coordinate of vertex specified by index

Parameters

index	the vertex's index
texCoord	the texture coordinate to add
unit	the texture unit to add the texture coodinate to

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

/home/maddin/dev/Igor/src/igor/igor/resources/mesh/iMeshBuilder.h
/home/maddin/dev/Igor/src/igor/igor/resources/mesh/iMeshBuilder.cpp

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ iMeshBuilder()

◆ ~iMeshBuilder()

Member Function Documentation

◆ accumulateNormal()

◆ addTriangle()

◆ addVertex() [1/2]

◆ addVertex() [2/2]

◆ calcBoundingBox()

◆ calcNormals()

◆ calcPlanarTextureCoordinates()

◆ calcSphericalTexcoordsByNormals()

◆ calcSphericalTexcoordsByPosition()

◆ cleanup()

◆ clear()

◆ copyTriangles()

◆ createMesh() [1/2]

◆ createMesh() [2/2]

◆ getJoinVertexes()

◆ getMatrix()

◆ getNormals()

◆ getTextureUnitCount()

◆ getTriangles()

◆ getTrianglesCount()

◆ getVertexCount()

◆ getVertexes()

◆ hasColors()

◆ hasNormals()

◆ multMatrix()

◆ normalizeNormals()

◆ setColor()

◆ setJoinVertexes()

◆ setMatrix()

◆ setNormal()

◆ setTexCoord() [1/2]

◆ setTexCoord() [2/2]