3x2 component texture matrix in row major order. More...

#include <decTexMatrix2.h>

Public Member Functions
Constructors and Destructors
	decTexMatrix2 ()
	Create identity matrix. More...

Management
void	SetIdentity ()
	Set identity matrix. More...

void	SetTranslation (float u, float v)
	Set translation matrix. More...

void	SetTranslation (const decVector2 &translation)
	Set translation matrix. More...

void	SetScale (float su, float sv)
	Set scaling matrix. More...

void	SetScale (const decVector2 &scaling)
	Set scaling matrix. More...

void	SetRotation (float rotation)
	Set rotation matrix. More...

void	SetShear (float shearU, float shearV)
	Set shear matrix. More...

void	SetShear (const decVector2 &shear)
	Set shear matrix. More...

void	SetST (float su, float sv, float tu, float tv)
	Set scale-translation matrix. More...

void	SetST (const decVector2 &scaling, const decVector2 &translation)
	Set scale-translation matrix. More...

void	SetSRT (float su, float sv, float rotation, float tu, float tv)
	Set scale-rotation-translation matrix. More...

void	SetSRT (const decVector2 &scaling, float rotation, const decVector2 &translation)
	Set scale-rotation-translation matrix. More...

void	SetCenterSRT (float su, float sv, float rotation, float tu, float tv)
	Set scale-rotation-translation matrix. More...

void	SetCenterSRT (const decVector2 &scaling, float rotation, const decVector2 &translation)
	Set center scale-rotation-translation matrix. More...

bool	IsEqualTo (const decTexMatrix2 &matrix, float threshold=TEXEL_THRESHOLD) const
	Determines if this matrix is cell wise equal to anither one in respect to a threshold. More...

float	Determinant () const
	Determinant. More...

decTexMatrix	Invert () const
	Inverse of matrix. More...

decTexMatrix	ToTexMatrix () const
	Convert to 3x3 texture matrix. More...

decVector2	GetPosition () const
	Position part of matrix. More...

decVector2	GetAxisX () const
	X axis part of matrix. More...

decVector2	GetAxisY () const
	Y axis part of matrix. More...

decVector2	GetScaling () const
	Scaling of X and Y axis. More...

float	GetRotation () const
	Rotation in degrees. More...

float	GetShearing () const
	Shearing in X direction. More...

decTexMatrix2	GetRotationMatrix () const
	Rotation part of matrix. More...

Operators
decTexMatrix2 &	operator= (const decTexMatrix2 &m)
	Set cells of this matrix to the values of another one. More...

decTexMatrix2 &	operator+= (const decTexMatrix2 &m)
	Add cells of another matrix to this one. More...

decTexMatrix2 &	operator-= (const decTexMatrix2 &m)
	Subtract cells of another matrix from this vector. More...

decTexMatrix2 &	operator*= (float k)
	Multiply cells of this matrix with a value k. More...

decTexMatrix2 &	operator/= (float k)
	Divide cells of this matrix by a value k. If the value k is 0 an exception is thrown. More...

decTexMatrix2 &	operator*= (const decTexMatrix2 &m)
	Multiply matrix with another one. More...

decTexMatrix2	operator+ (const decTexMatrix2 &m) const
	Matrix with the sum of this matrix with another one. More...

decTexMatrix2	operator- (const decTexMatrix2 &m) const
	Matrix with the difference of this matrix to another one. More...

decTexMatrix2	operator* (float k) const
	Matrix with this matrix scaled by k. More...

decTexMatrix2	operator/ (float k) const
	Matrix with this matrix divided by k. If k is 0 an exception is thrown. More...

decTexMatrix2	operator* (const decTexMatrix2 &m) const
	Matrix with this matrix multiplied with another one. More...

decVector2	operator* (const decVector2 &v) const
	Transform vector by this matrix. More...

Static Public Member Functions
Matrix Creation
static decTexMatrix2	CreateIdentity ()
	Create identity matrix. More...

static decTexMatrix2	CreateTranslation (float u, float v)
	Create translation matrix. More...

static decTexMatrix2	CreateTranslation (const decVector2 &translation)
	Create translation matrix. More...

static decTexMatrix2	CreateScale (float su, float sv)
	Create scaling matrix. More...

static decTexMatrix2	CreateScale (const decVector2 &scaling)
	Create scaling matrix. More...

static decTexMatrix2	CreateRotation (float rotation)
	Create rotation matrix. More...

static decTexMatrix2	CreateShear (float shearU, float shearV)
	Create shear matrix. More...

static decTexMatrix2	CreateShear (const decVector2 &shear)
	Create shear matrix. More...

static decTexMatrix2	CreateST (float su, float sv, float tu, float tv)
	Create scale-translation matrix. More...

static decTexMatrix2	CreateST (const decVector2 &scaling, const decVector2 &translation)
	Create scale-translation matrix. More...

static decTexMatrix2	CreateSRT (float su, float sv, float rotation, float tu, float tv)
	Create scale-rotation-translation matrix. More...

static decTexMatrix2	CreateSRT (const decVector2 &scaling, float rotation, const decVector2 &translation)
	Create scale-rotation-translation matrix. More...

static decTexMatrix2	CreateCenterSRT (float su, float sv, float rotation, float tu, float tv)
	Create center scale-rotation-translation matrix. More...

static decTexMatrix2	CreateCenterSRT (const decVector2 &scaling, float rotation, const decVector2 &translation)
	Create center scale-rotation-translation matrix. More...

static decTexMatrix2	CreateCenterRotation (float rotation)
	Create center rotation matrix. More...

Public Attributes
float	a11

float	a12

float	a13

float	a21

float	a22

float	a23

Detailed Description

3x2 component texture matrix in row major order.

Constructor & Destructor Documentation

◆ decTexMatrix2()

decTexMatrix2::decTexMatrix2 ( )

Create identity matrix.

Member Function Documentation

◆ CreateCenterRotation()

static decTexMatrix2 decTexMatrix2::CreateCenterRotation ( float rotation )

static

Create center rotation matrix.

◆ CreateCenterSRT() [1/2]

static decTexMatrix2 decTexMatrix2::CreateCenterSRT	(	const decVector2 &	scaling,
		float	rotation,
		const decVector2 &	translation
	)

static

Create center scale-rotation-translation matrix.

◆ CreateCenterSRT() [2/2]

static decTexMatrix2 decTexMatrix2::CreateCenterSRT	(	float	su,
		float	sv,
		float	rotation,
		float	tu,
		float	tv
	)

static

Create center scale-rotation-translation matrix.

◆ CreateIdentity()

static decTexMatrix2 decTexMatrix2::CreateIdentity ( )

static

Create identity matrix.

◆ CreateRotation()

static decTexMatrix2 decTexMatrix2::CreateRotation ( float rotation )

static

Create rotation matrix.

◆ CreateScale() [1/2]

static decTexMatrix2 decTexMatrix2::CreateScale ( const decVector2 & scaling )

static

Create scaling matrix.

◆ CreateScale() [2/2]

static decTexMatrix2 decTexMatrix2::CreateScale	(	float	su,
		float	sv
	)

static

Create scaling matrix.

◆ CreateShear() [1/2]

static decTexMatrix2 decTexMatrix2::CreateShear ( const decVector2 & shear )

static

Create shear matrix.

◆ CreateShear() [2/2]

static decTexMatrix2 decTexMatrix2::CreateShear	(	float	shearU,
		float	shearV
	)

static

Create shear matrix.

◆ CreateSRT() [1/2]

static decTexMatrix2 decTexMatrix2::CreateSRT	(	const decVector2 &	scaling,
		float	rotation,
		const decVector2 &	translation
	)

static

Create scale-rotation-translation matrix.

◆ CreateSRT() [2/2]

static decTexMatrix2 decTexMatrix2::CreateSRT	(	float	su,
		float	sv,
		float	rotation,
		float	tu,
		float	tv
	)

static

Create scale-rotation-translation matrix.

◆ CreateST() [1/2]

static decTexMatrix2 decTexMatrix2::CreateST	(	const decVector2 &	scaling,
		const decVector2 &	translation
	)

static

Create scale-translation matrix.

◆ CreateST() [2/2]

static decTexMatrix2 decTexMatrix2::CreateST	(	float	su,
		float	sv,
		float	tu,
		float	tv
	)

static

Create scale-translation matrix.

◆ CreateTranslation() [1/2]

static decTexMatrix2 decTexMatrix2::CreateTranslation ( const decVector2 & translation )

static

Create translation matrix.

◆ CreateTranslation() [2/2]

static decTexMatrix2 decTexMatrix2::CreateTranslation	(	float	u,
		float	v
	)

static

Create translation matrix.

◆ Determinant()

float decTexMatrix2::Determinant ( ) const

Determinant.

◆ GetAxisX()

decVector2 decTexMatrix2::GetAxisX ( ) const

X axis part of matrix.

◆ GetAxisY()

decVector2 decTexMatrix2::GetAxisY ( ) const

Y axis part of matrix.

◆ GetPosition()

decVector2 decTexMatrix2::GetPosition ( ) const

Position part of matrix.

◆ GetRotation()

float decTexMatrix2::GetRotation ( ) const

Rotation in degrees.

◆ GetRotationMatrix()

decTexMatrix2 decTexMatrix2::GetRotationMatrix ( ) const

Rotation part of matrix.

Returns: Identity matrix with upper left 2x2 copied from this matrix.

◆ GetScaling()

decVector2 decTexMatrix2::GetScaling ( ) const

Scaling of X and Y axis.

◆ GetShearing()

float decTexMatrix2::GetShearing ( ) const

Shearing in X direction.

Due to rotation only X direction shearing can be retrieved. Y is 0.

◆ Invert()

decTexMatrix decTexMatrix2::Invert ( ) const

Inverse of matrix.

◆ IsEqualTo()

bool decTexMatrix2::IsEqualTo	(	const decTexMatrix2 &	matrix,
		float	threshold = `TEXEL_THRESHOLD`
	)		const

Determines if this matrix is cell wise equal to anither one in respect to a threshold.

◆ operator*() [1/3]

decTexMatrix2 decTexMatrix2::operator* ( const decTexMatrix2 & m ) const

Matrix with this matrix multiplied with another one.

◆ operator*() [2/3]

decVector2 decTexMatrix2::operator* ( const decVector2 & v ) const

Transform vector by this matrix.

◆ operator*() [3/3]

decTexMatrix2 decTexMatrix2::operator* ( float k ) const

Matrix with this matrix scaled by k.

◆ operator*=() [1/2]

decTexMatrix2& decTexMatrix2::operator*= ( const decTexMatrix2 & m )

Multiply matrix with another one.

◆ operator*=() [2/2]

decTexMatrix2& decTexMatrix2::operator*= ( float k )

Multiply cells of this matrix with a value k.

◆ operator+()

decTexMatrix2 decTexMatrix2::operator+ ( const decTexMatrix2 & m ) const

Matrix with the sum of this matrix with another one.

◆ operator+=()

decTexMatrix2& decTexMatrix2::operator+= ( const decTexMatrix2 & m )

Add cells of another matrix to this one.

◆ operator-()

decTexMatrix2 decTexMatrix2::operator- ( const decTexMatrix2 & m ) const

Matrix with the difference of this matrix to another one.

◆ operator-=()

decTexMatrix2& decTexMatrix2::operator-= ( const decTexMatrix2 & m )

Subtract cells of another matrix from this vector.

◆ operator/()

decTexMatrix2 decTexMatrix2::operator/ ( float k ) const

Matrix with this matrix divided by k. If k is 0 an exception is thrown.

◆ operator/=()

decTexMatrix2& decTexMatrix2::operator/= ( float k )

Divide cells of this matrix by a value k. If the value k is 0 an exception is thrown.

◆ operator=()

decTexMatrix2& decTexMatrix2::operator= ( const decTexMatrix2 & m )

Set cells of this matrix to the values of another one.

◆ SetCenterSRT() [1/2]

void decTexMatrix2::SetCenterSRT	(	const decVector2 &	scaling,
		float	rotation,
		const decVector2 &	translation
	)

Set center scale-rotation-translation matrix.

◆ SetCenterSRT() [2/2]

void decTexMatrix2::SetCenterSRT	(	float	su,
		float	sv,
		float	rotation,
		float	tu,
		float	tv
	)

Set scale-rotation-translation matrix.

◆ SetIdentity()

void decTexMatrix2::SetIdentity ( )

Set identity matrix.

◆ SetRotation()

void decTexMatrix2::SetRotation ( float rotation )

Set rotation matrix.

◆ SetScale() [1/2]

void decTexMatrix2::SetScale ( const decVector2 & scaling )

Set scaling matrix.

◆ SetScale() [2/2]

void decTexMatrix2::SetScale	(	float	su,
		float	sv
	)

Set scaling matrix.

◆ SetShear() [1/2]

void decTexMatrix2::SetShear ( const decVector2 & shear )

Set shear matrix.

◆ SetShear() [2/2]

void decTexMatrix2::SetShear	(	float	shearU,
		float	shearV
	)

Set shear matrix.

◆ SetSRT() [1/2]

void decTexMatrix2::SetSRT	(	const decVector2 &	scaling,
		float	rotation,
		const decVector2 &	translation
	)

Set scale-rotation-translation matrix.

◆ SetSRT() [2/2]

void decTexMatrix2::SetSRT	(	float	su,
		float	sv,
		float	rotation,
		float	tu,
		float	tv
	)

Set scale-rotation-translation matrix.

◆ SetST() [1/2]

void decTexMatrix2::SetST	(	const decVector2 &	scaling,
		const decVector2 &	translation
	)

Set scale-translation matrix.

◆ SetST() [2/2]

void decTexMatrix2::SetST	(	float	su,
		float	sv,
		float	tu,
		float	tv
	)

Set scale-translation matrix.

◆ SetTranslation() [1/2]

void decTexMatrix2::SetTranslation ( const decVector2 & translation )

Set translation matrix.

◆ SetTranslation() [2/2]

void decTexMatrix2::SetTranslation	(	float	u,
		float	v
	)

Set translation matrix.

◆ ToTexMatrix()

decTexMatrix decTexMatrix2::ToTexMatrix ( ) const

Convert to 3x3 texture matrix.

Member Data Documentation

◆ a11

float decTexMatrix2::a11

◆ a12

float decTexMatrix2::a12

◆ a13

float decTexMatrix2::a13

◆ a21

float decTexMatrix2::a21

◆ a22

float decTexMatrix2::a22

◆ a23

float decTexMatrix2::a23

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

decTexMatrix2.h

Public Member Functions

Static Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ decTexMatrix2()

Member Function Documentation

◆ CreateCenterRotation()

◆ CreateCenterSRT() [1/2]

◆ CreateCenterSRT() [2/2]

◆ CreateIdentity()

◆ CreateRotation()

◆ CreateScale() [1/2]

◆ CreateScale() [2/2]

◆ CreateShear() [1/2]

◆ CreateShear() [2/2]

◆ CreateSRT() [1/2]

◆ CreateSRT() [2/2]

◆ CreateST() [1/2]

◆ CreateST() [2/2]

◆ CreateTranslation() [1/2]

◆ CreateTranslation() [2/2]

◆ Determinant()

◆ GetAxisX()

◆ GetAxisY()

◆ GetPosition()

◆ GetRotation()

◆ GetRotationMatrix()

◆ GetScaling()

◆ GetShearing()

◆ Invert()

◆ IsEqualTo()

◆ operator*() [1/3]

◆ operator*() [2/3]

◆ operator*() [3/3]

◆ operator*=() [1/2]

◆ operator*=() [2/2]

◆ operator+()

◆ operator+=()

◆ operator-()

◆ operator-=()

◆ operator/()

◆ operator/=()

◆ operator=()

◆ SetCenterSRT() [1/2]

◆ SetCenterSRT() [2/2]

◆ SetIdentity()

◆ SetRotation()

◆ SetScale() [1/2]

◆ SetScale() [2/2]

◆ SetShear() [1/2]

◆ SetShear() [2/2]

◆ SetSRT() [1/2]

◆ SetSRT() [2/2]

◆ SetST() [1/2]

◆ SetST() [2/2]

◆ SetTranslation() [1/2]

◆ SetTranslation() [2/2]

◆ ToTexMatrix()

Member Data Documentation

◆ a11

◆ a12

◆ a13

◆ a21

◆ a22

◆ a23