This reference page is linked to from the following overview topics: List of Python Fbx classes, Evaluating the Animation in a Scene.

#include <fbxmatrix.h>

Class Description

FBX SDK basic 4x4 double matrix class.

Examples:: ExportScene01/main.cxx, ImportScene/DisplayPose.cxx, SwitchBinding/main.cxx, and ViewScene/GetPosition.cxx.

Definition at line 27 of file fbxmatrix.h.

Inheritance diagram for FbxMatrix:

List of all members.

Constructors and Destructor
	FbxMatrix ()
	Constructor. Constructs an identity matrix.
	FbxMatrix (const FbxMatrix &pM)
	Copy constructor.
	FbxMatrix (const FbxVector4 &pT, const FbxVector4 &pR, const FbxVector4 &pS)
	TRS Constructor.
	FbxMatrix (const FbxVector4 &pT, const FbxQuaternion &pQ, const FbxVector4 &pS)
	TQS Constructor.
	FbxMatrix (const FbxVector4 &pRow0, const FbxVector4 &pRow1, const FbxVector4 &pRow2, const FbxVector4 &pRow3)
	4 vector constructor.
	FbxMatrix (const double p00, const double p10, const double p20, const double p30, const double p01, const double p11, const double p21, const double p31, const double p02, const double p12, const double p22, const double p32, const double p03, const double p13, const double p23, const double p33)
	16 double constructor.
	FbxMatrix (const FbxAMatrix &pM)
	Constructor.
	~FbxMatrix ()
	Destructor.
Access
double	Get (int pY, int pX) const
	Retrieve matrix element.
FbxVector4	GetRow (int pY) const
	Extract a row vector.
FbxVector4	GetColumn (int pX) const
	Extract a column vector.
void	Set (int pY, int pX, double pValue)
	Set matrix element.
void	SetIdentity ()
	Set matrix to identity.
void	SetTRS (const FbxVector4 &pT, const FbxVector4 &pR, const FbxVector4 &pS)
	Set matrix.
void	SetTQS (const FbxVector4 &pT, const FbxQuaternion &pQ, const FbxVector4 &pS)
	Set matrix.
void	SetRow (int pY, const FbxVector4 &pRow)
	Set a matrix row.
void	SetColumn (int pX, const FbxVector4 &pColumn)
	Set a matrix column.
void	GetElements (FbxVector4 &pTranslation, FbxQuaternion &pRotation, FbxVector4 &pShearing, FbxVector4 &pScaling, double &pSign) const
	Decompose the affine matrix into elements of translation, rotation, shearing, scaling and sign of determinant.
FbxMatrix &	operator= (const FbxMatrix &pMatrix)
	Assignment operator.
Matrix Operations
FbxMatrix	operator- () const
	Unary minus operator.
FbxMatrix	operator+ (const FbxMatrix &pMatrix) const
	Add two matrices together.
FbxMatrix	operator- (const FbxMatrix &pMatrix) const
	Subtract a matrix from another matrix.
FbxMatrix	operator* (const FbxMatrix &pMatrix) const
	Multiply two matrices.
FbxMatrix &	operator+= (const FbxMatrix &pMatrix)
	Add two matrices together.
FbxMatrix &	operator-= (const FbxMatrix &pMatrix)
	Subtract a matrix from another matrix.
FbxMatrix &	operator*= (const FbxMatrix &pMatrix)
	Multiply two matrices.
FbxMatrix	Inverse () const
	Calculate the matrix inverse.
FbxMatrix	Transpose () const
	Calculate the matrix transpose.
Vector Operations
FbxVector4	MultNormalize (const FbxVector4 &pVector) const
	Multiply this matrix by pVector, the w component is normalized to 1.
Boolean Operations
bool	operator== (const FbxMatrix &pM) const
	Equivalence operator.
bool	operator== (const FbxAMatrix &pM) const
	Equivalence operator.
bool	operator!= (const FbxMatrix &pM) const
	Non-equivalence operator.
bool	operator!= (const FbxAMatrix &pM) const
	Non-equivalence operator.
Casting
typedef const	double (kDouble44)[4][4]
	Define 4*4 array as a new type.
	operator double * ()
	Cast the vector in a double pointer.
	operator const double * () const
	Cast the vector in a const double pointer.
kDouble44 &	Double44 () const
	Cast the matrix in a reference to a 4*4 array.

Member Typedef Documentation

typedef const double(kDouble44)[4][4]

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Define 4*4 array as a new type.

Definition at line 278 of file fbxmatrix.h.

Constructor & Destructor Documentation

FbxMatrix ( )

Constructor. Constructs an identity matrix.

FbxMatrix ( const FbxMatrix & pM )

Copy constructor.

Parameters:

pM	Another FbxMatrix object copied to this one.

FbxMatrix	(	const FbxVector4 &	pT,
		const FbxVector4 &	pR,
		const FbxVector4 &	pS
	)

TRS Constructor.

Parameters:

pT	Translation vector.
pR	Euler rotation vector.
pS	Scale vector.

FbxMatrix	(	const FbxVector4 &	pT,
		const FbxQuaternion &	pQ,
		const FbxVector4 &	pS
	)

TQS Constructor.

Parameters:

pT	Translation vector.
pQ	Quaternion.
pS	Scale vector.

FbxMatrix	(	const FbxVector4 &	pRow0,
		const FbxVector4 &	pRow1,
		const FbxVector4 &	pRow2,
		const FbxVector4 &	pRow3
	)

4 vector constructor.

Parameters:

pRow0	Values to set in row 0.
pRow1	Values to set in row 1.
pRow2	Values to set in row 2.
pRow3	Values to set in row 3.

FbxMatrix	(	const double	p00,
		const double	p10,
		const double	p20,
		const double	p30,
		const double	p01,
		const double	p11,
		const double	p21,
		const double	p31,
		const double	p02,
		const double	p12,
		const double	p22,
		const double	p32,
		const double	p03,
		const double	p13,
		const double	p23,
		const double	p33
	)

16 double constructor.

Parameters:

p00	Value at column 0 row 0.
p10	Value at column 1 row 0.
p20	Value at column 2 row 0.
p30	Value at column 3 row 0.
p01	Value at column 0 row 1.
p11	Value at column 1 row 1.
p21	Value at column 2 row 1.
p31	Value at column 3 row 1.
p02	Value at column 0 row 2.
p12	Value at column 1 row 2.
p22	Value at column 2 row 2.
p32	Value at column 3 row 2.
p03	Value at column 0 row 3.
p13	Value at column 1 row 3.
p23	Value at column 2 row 3.
p33	Value at column 3 row 3.

FbxMatrix ( const FbxAMatrix & pM )

Constructor.

Parameters:

pM	Affine matrix

~FbxMatrix ( )

Destructor.

Member Function Documentation

double Get	(	int	pY,
		int	pX
	)		const

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Retrieve matrix element.

Parameters:

pY	Row index.
pX	Column index.

Returns:: Value at element [ pX, pY ] of the matrix.

FbxVector4 GetRow ( int pY ) const

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Extract a row vector.

Parameters:

pY	Row index.

Returns:: The row vector.

Examples:: ImportScene/DisplayPose.cxx.

FbxVector4 GetColumn ( int pX ) const

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Extract a column vector.

Parameters:

pX	Column index.

Returns:: The column vector.

void Set	(	int	pY,
		int	pX,
		double	pValue
	)

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Set matrix element.

Parameters:

pY	Row index.
pX	Column index.
pValue	New component value.

void SetIdentity ( )

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Set matrix to identity.

void SetTRS	(	const FbxVector4 &	pT,
		const FbxVector4 &	pR,
		const FbxVector4 &	pS
	)

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Set matrix.

Parameters:

pT	Translation vector.
pR	Euler rotation vector.
pS	Scale vector.

Examples:: ExportScene01/main.cxx.

void SetTQS	(	const FbxVector4 &	pT,
		const FbxQuaternion &	pQ,
		const FbxVector4 &	pS
	)

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Set matrix.

Parameters:

pT	Translation vector.
pQ	Quaternion.
pS	Scale vector.

void SetRow	(	int	pY,
		const FbxVector4 &	pRow
	)

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Set a matrix row.

Parameters:

pY	Row index.
pRow	Row vector.

void SetColumn	(	int	pX,
		const FbxVector4 &	pColumn
	)

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Set a matrix column.

Parameters:

pX	Column index.
pColumn	Column vector.

void GetElements	(	FbxVector4 &	pTranslation,
		FbxQuaternion &	pRotation,
		FbxVector4 &	pShearing,
		FbxVector4 &	pScaling,
		double &	pSign
	)		const

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Decompose the affine matrix into elements of translation, rotation, shearing, scaling and sign of determinant.

Parameters:

pTranslation	Translation element.
pRotation	Rotation element.
pShearing	Shearing element.
pScaling	Scaling element.
pSign	Sign of determinant.

FbxMatrix& operator= ( const FbxMatrix & pMatrix )

Assignment operator.

Parameters:

pMatrix Source matrix.

FbxMatrix operator- ( ) const

Unary minus operator.

Returns:: A matrix where each element is multiplied by -1.

FbxMatrix operator+ ( const FbxMatrix & pMatrix ) const

Add two matrices together.

Parameters:

pMatrix A matrix.

Returns:: The result of this matrix + pMatrix.

FbxMatrix operator- ( const FbxMatrix & pMatrix ) const

Subtract a matrix from another matrix.

Parameters:

pMatrix A matrix.

Returns:: The result of this matrix - pMatrix.

FbxMatrix operator* ( const FbxMatrix & pMatrix ) const

Multiply two matrices.

Parameters:

pMatrix A matrix.

Returns:: The result of this matrix * pMatrix.

FbxMatrix& operator+= ( const FbxMatrix & pMatrix )

Add two matrices together.

Parameters:

pMatrix A matrix.

Returns:: The result of this matrix + pMatrix, replacing this matrix.

FbxMatrix& operator-= ( const FbxMatrix & pMatrix )

Subtract a matrix from another matrix.

Parameters:

pMatrix A matrix.

Returns:: The result of this matrix - pMatrix, replacing this matrix.

FbxMatrix& operator*= ( const FbxMatrix & pMatrix )

Multiply two matrices.

Parameters:

pMatrix A matrix.

Returns:: The result of this matrix * pMatrix, replacing this matrix.

FbxMatrix Inverse ( ) const

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Calculate the matrix inverse.

Returns:: The inverse matrix.

FbxMatrix Transpose ( ) const

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Calculate the matrix transpose.

Returns:: This matrix transposed.

FbxVector4 MultNormalize ( const FbxVector4 & pVector ) const

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Multiply this matrix by pVector, the w component is normalized to 1.

Parameters:

pVector A vector.

Returns:: The result of this matrix * pVector.

bool operator== ( const FbxMatrix & pM ) const

Equivalence operator.

Parameters:

pM	The matrix to be compared against this matrix.

Returns:: true if the two matrices are equal (each element is within a FBXSDK_TOLERANCE tolerance), false otherwise.

bool operator== ( const FbxAMatrix & pM ) const

Equivalence operator.

Parameters:

pM	The affine matrix to be compared against this matrix.

Returns:: true if the two matrices are equal (each element is within a FBXSDK_TOLERANCE tolerance), false otherwise.

bool operator!= ( const FbxMatrix & pM ) const

Non-equivalence operator.

Parameters:

pM	The matrix to be compared against this matrix.

Returns:: false if the two matrices are equal (each element is within a FBXSDK_TOLERANCE tolerance), true otherwise.

bool operator!= ( const FbxAMatrix & pM ) const

Non-equivalence operator.

Parameters:

pM	The affine matrix to be compared against this matrix.

Returns:: false if the two matrices are equal (each element is within a FBXSDK_TOLERANCE tolerance), true otherwise.

operator double * ( )

Cast the vector in a double pointer.

operator const double * ( ) const

Cast the vector in a const double pointer.

kDouble44& Double44 ( ) const [inline]

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Cast the matrix in a reference to a 4*4 array.

Definition at line 281 of file fbxmatrix.h.

{ return *((kDouble44 *)&mData); }

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

fbxsdk/core/math/fbxmatrix.h

Class Description

Constructors and Destructor

Access

Matrix Operations

Vector Operations

Boolean Operations

Casting

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation