Emma::Matrix Class Reference

Matrix specification. More...

#include <EmmaMatrix.h>

List of all members.

Public Member Functions
	Matrix ()
	Default constructor.
	Matrix (const Matrix &mat)
	Copy constructor.
	Matrix (const Matrix2D &mat)
const float *	getValue () const
	Get a pointer to the matrix values.
bool	getValue (Fusion::Vec3f &translation, Fusion::Rotation &rotation, Fusion::Vec3f &scale, Fusion::Vec3f &shear)
	decompose the matrix into the passed values, return false if singular
void	setValue (const Matrix &mat)
	Set value from another Matrix.
void	setValue (const float *mat)
	Set value from an array of floats.
void	setValue (const Fusion::Vec3f &translation, const Fusion::Rotation &rotation, const Fusion::Vec3f &scale, const Fusion::Rotation &scaleOrientation, const Fusion::Vec3f &center)
	Set value from translation, rotation, scale, scaleOrientation, center.
void	setValue (const Fusion::Vec3f &eye, const Fusion::Vec3f &center, const Fusion::Vec3f &up)
	Set value from eye point, center, up (lookAt).
void	makeIdentity ()
	Make the matrix be the identity matrix.
void	setRotate (const Fusion::Rotation &rot)
	set matrix to be a rotation matrix
void	setTranslate (const Fusion::Vec3f &trans)
	set matrix to be a translation matrix
void	setScale (const Fusion::Vec3f &scale)
	set matrix to be a scale matrix
void	setTexRotate (float angle)
	set matrix to be a texture rotation matrix
void	setTexTranslate (const Fusion::Vec2f &trans)
	set matrix to be a texture translation matrix
void	setTexScale (const Fusion::Vec2f &scale)
	set matrix to be a texture scale matrix
float *	operator[] (int i)
	[] operator to make it look like a normal matrix
const float *	operator[] (int i) const
Matrix &	multRight (const Matrix &mat)
	multiplies matrix by given matrix on the right
Matrix &	multRight (const Matrix2D &mat)
Matrix &	operator *= (const Matrix &mat)
Matrix &	multLeft (const Matrix &mat)
	multiplies matrix by given matrix on the left
Matrix &	multLeft (const Matrix2D &mat)
void	multVecMatrix (const Fusion::Vec3f &src, Fusion::Vec3f &dst) const
	Multiplies given row vector by matrix, giving vector result.
void	multVecMatrix (const Fusion::Vec2f &src, Fusion::Vec2f &dst) const
void	multVecMatrix (const Fusion::Vec3f &src, Fusion::Vec4f &dst) const
void	multVecMatrix (const Fusion::Vec2f &src, Fusion::Vec4f &dst) const
void	multVecMatrix (const Fusion::Vec4f &src, Fusion::Vec4f &dst) const
void	multMatrixVec (const Fusion::Vec3f &src, Fusion::Vec3f &dst) const
	Multiplies given column vector by matrix, giving vector result.
void	multDirMatrix (const Fusion::Vec3f &src, Fusion::Vec3f &dst) const
	Multiplies given row vector by matrix, giving vector result src is assumed to be a direction vector, so translation part of matrix is ignored.
void	multLineMatrix (const Line &src, Line &dst) const
	Multiplies the given line by the matrix resulting in a new line.
Matrix &	operator= (const Matrix &mat)
	assignment operators
Matrix &	operator= (const float *mat)
Matrix	inverse () const
	returns inverse of matrix
Matrix	transpose () const
	returns the transpose of the matrix
Fusion::UTF8String	toString ()
Static Public Member Functions
static const Matrix &	getIdentityMatrix ()
static void	cleanSingletons ()
Friends
FUSION_EXPORT friend Matrix	operator * (const Matrix &mat1, const Matrix &mat2)
	multiplies two matrices
FUSION_EXPORT friend int	operator== (const Matrix &m1, const Matrix &m2)
	Equality comparison operator.
FUSION_EXPORT friend int	operator!= (const Matrix &m1, const Matrix &m2)
FUSION_EXPORT friend int	operator< (const Matrix &m1, const Matrix &m2)

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Detailed Description

Matrix specification.

It is stored internally as a 4x4 array of floats

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Constructor & Destructor Documentation

Emma::Matrix::Matrix (   )  [inline]

Default constructor.

Emma::Matrix::Matrix (  const Matrix &  mat  )  [inline]

Copy constructor.

Emma::Matrix::Matrix (  const Matrix2D &  mat  )

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Member Function Documentation

static void Emma::Matrix::cleanSingletons (   )  [static]

static const Matrix& Emma::Matrix::getIdentityMatrix (   )  [static]

bool Emma::Matrix::getValue (  Fusion::Vec3f &  translation, Fusion::Rotation &  rotation, Fusion::Vec3f &  scale, Fusion::Vec3f &  shear )

decompose the matrix into the passed values, return false if singular

const float* Emma::Matrix::getValue (   )  const [inline]

Get a pointer to the matrix values.

Matrix Emma::Matrix::inverse (   )  const

returns inverse of matrix

void Emma::Matrix::makeIdentity (   )

Make the matrix be the identity matrix.

void Emma::Matrix::multDirMatrix (  const Fusion::Vec3f &  src, Fusion::Vec3f &  dst )  const

Multiplies given row vector by matrix, giving vector result src is assumed to be a direction vector, so translation part of matrix is ignored.

Matrix& Emma::Matrix::multLeft (  const Matrix2D &  mat  )

Matrix& Emma::Matrix::multLeft (  const Matrix &  mat  )

multiplies matrix by given matrix on the left

void Emma::Matrix::multLineMatrix (  const Line &  src, Line &  dst )  const

Multiplies the given line by the matrix resulting in a new line. The origin of the line is transformed by the whole matrix. The translation part of the matrix is ignored when transforming the direction of the line.

void Emma::Matrix::multMatrixVec (  const Fusion::Vec3f &  src, Fusion::Vec3f &  dst )  const

Multiplies given column vector by matrix, giving vector result.

Matrix& Emma::Matrix::multRight (  const Matrix2D &  mat  )

Matrix& Emma::Matrix::multRight (  const Matrix &  mat  )

multiplies matrix by given matrix on the right

void Emma::Matrix::multVecMatrix (  const Fusion::Vec4f &  src, Fusion::Vec4f &  dst )  const

void Emma::Matrix::multVecMatrix (  const Fusion::Vec2f &  src, Fusion::Vec4f &  dst )  const

void Emma::Matrix::multVecMatrix (  const Fusion::Vec3f &  src, Fusion::Vec4f &  dst )  const

void Emma::Matrix::multVecMatrix (  const Fusion::Vec2f &  src, Fusion::Vec2f &  dst )  const

void Emma::Matrix::multVecMatrix (  const Fusion::Vec3f &  src, Fusion::Vec3f &  dst )  const

Multiplies given row vector by matrix, giving vector result.

Matrix& Emma::Matrix::operator *= (  const Matrix &  mat  )  [inline]

Matrix& Emma::Matrix::operator= (  const float *  mat  )  [inline]

Matrix& Emma::Matrix::operator= (  const Matrix &  mat  )  [inline]

assignment operators

const float* Emma::Matrix::operator[] (  int  i  )  const [inline]

float* Emma::Matrix::operator[] (  int  i  )  [inline]

[] operator to make it look like a normal matrix

void Emma::Matrix::setRotate (  const Fusion::Rotation &  rot  )

set matrix to be a rotation matrix

void Emma::Matrix::setScale (  const Fusion::Vec3f &  scale  )

set matrix to be a scale matrix

void Emma::Matrix::setTexRotate (  float  angle  )

set matrix to be a texture rotation matrix

void Emma::Matrix::setTexScale (  const Fusion::Vec2f &  scale  )

set matrix to be a texture scale matrix

void Emma::Matrix::setTexTranslate (  const Fusion::Vec2f &  trans  )

set matrix to be a texture translation matrix

void Emma::Matrix::setTranslate (  const Fusion::Vec3f &  trans  )

set matrix to be a translation matrix

void Emma::Matrix::setValue (  const Fusion::Vec3f &  eye, const Fusion::Vec3f &  center, const Fusion::Vec3f &  up )

Set value from eye point, center, up (lookAt).

void Emma::Matrix::setValue (  const Fusion::Vec3f &  translation, const Fusion::Rotation &  rotation, const Fusion::Vec3f &  scale, const Fusion::Rotation &  scaleOrientation, const Fusion::Vec3f &  center )

Set value from translation, rotation, scale, scaleOrientation, center.

void Emma::Matrix::setValue (  const float *  mat  )

Set value from an array of floats.

void Emma::Matrix::setValue (  const Matrix &  mat  )

Set value from another Matrix.

Fusion::UTF8String Emma::Matrix::toString (   )

Matrix Emma::Matrix::transpose (   )  const

returns the transpose of the matrix

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Friends And Related Function Documentation

FUSION_EXPORT friend Matrix operator * (  const Matrix &  mat1, const Matrix &  mat2 )  [friend]

multiplies two matrices

FUSION_EXPORT friend int operator!= (  const Matrix &  m1, const Matrix &  m2 )  [friend]

FUSION_EXPORT friend int operator< (  const Matrix &  m1, const Matrix &  m2 )  [friend]

FUSION_EXPORT friend int operator== (  const Matrix &  m1, const Matrix &  m2 )  [friend]

Equality comparison operator.

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

• C:/svn/emma/mainline/emma/runtime/emma/EmmaMatrix.h

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