A structure that describes the scale, rotation and translation transformation in 2D space. More...

Public Member Functions
	SRTValue2D (long cPtr, boolean cMemoryOwn)

	SRTValue2D ()
	Default constructor.

	SRTValue2D (Vector2 scale, float rotationInRadians, Vector2 translation)
	Constructor with supplied scale, rotation and translation. More...

synchronized void	delete ()

boolean	equals (Object obj)

float	getRotation ()
	Returns the rotation. More...

Vector2	getScale ()
	Returns the scale. More...

float	getScaleX ()
	Returns the scale along the x-axis. More...

float	getScaleY ()
	Returns the scale along the y-axis. More...

Vector2	getTranslation ()
	Returns the translation. More...

float	getTranslationX ()
	Returns the translation along the x-axis. More...

float	getTranslationY ()
	Returns the translation along the y-axis. More...

int	hashCode ()

void	rotate (float rotationInRadians)
	Adds a rotation angle to the current rotation. More...

SRTValue2D	rotated (float rotationInRadians)
	Rotates the SRT object. More...

void	scale (Vector2 factor)
	Multiplies the current scale with the provided scaling factor. More...

SRTValue2D	scaled (Vector2 scale)
	Scales the SRT object. More...

void	setRotation (float rotationInRadians)
	Sets the rotation. More...

void	setScale (Vector2 value)
	Sets the scale. More...

void	setScaleX (float value)
	Sets the scale along the x-axis. More...

void	setScaleY (float value)
	Sets the scale along the y-axis. More...

void	setTranslation (Vector2 value)
	Sets the translation. More...

void	setTranslationX (float value)
	Sets the translation along the x-axis. More...

void	setTranslationY (float value)
	Sets the translation along the y-axis. More...

Matrix3x3	toMatrix ()
	Converts the SRT representation to Matrix3x3 transform. More...

void	translate (Vector2 translation)
	Adds the provided translation to the current translation. More...

SRTValue2D	translated (Vector2 translation)
	Translates the SRT object. More...

void	uniformScale (float factor)
	Multiplies the current scale with the provided uniform scaling factor. More...

Static Public Member Functions
static SRTValue2D	create (Matrix3x3 matrix)
	Attempts to create a SRT object from a given transformation 3x3 matrix. More...

static SRTValue2D	createRotation (float rotationInRadians)
	Creates a rotation SRT. More...

static SRTValue2D	createScale (Vector2 scale)
	Creates a scale SRT. More...

static SRTValue2D	createTranslation (Vector2 translation)
	Creates a translation SRT. More...

static long	getCPtr (SRTValue2D obj)

static long	swigRelease (SRTValue2D obj)

Protected Member Functions
void	finalize ()

Protected Attributes
transient boolean	swigCMemOwn

Detailed Description

A structure that describes the scale, rotation and translation transformation in 2D space.

Rotation is stored as angle in radians.

Constructor & Destructor Documentation

SRTValue2D	(	Vector2	scale,
		float	rotationInRadians,
		Vector2	translation
	)

Constructor with supplied scale, rotation and translation.

Parameters

scale	The scale.
rotationInRadians	The rotation angle in radians.
translation	The translation.

Member Function Documentation

static SRTValue2D create ( Matrix3x3 matrix )

static

Attempts to create a SRT object from a given transformation 3x3 matrix.

Note: A matrix is decomposable into SRT if its column vectors are orthogonal to each other.

Parameters

matrix The transformation 3x3 matrix.

Returns: A SRTValue3D object if the matrix is decomposable, null otherwise.

static SRTValue2D createRotation ( float rotationInRadians )

static

Creates a rotation SRT.

Parameters

rotationInRadians The rotation angle in radians.

Returns: An SRT object with rotation.

static SRTValue2D createScale ( Vector2 scale )

static

Creates a scale SRT.

Parameters

scale The scale.

Returns: An SRT object with scale.

static SRTValue2D createTranslation ( Vector2 translation )

static

Creates a translation SRT.

Parameters

translation The translation.

Returns: An SRT object with translation.

float getRotation ( )

Returns the rotation.

Returns: The rotation angle in radians.

Vector2 getScale ( )

Returns the scale.

Returns: The scale.

float getScaleX ( )

Returns the scale along the x-axis.

Returns: The x component of the scale.

float getScaleY ( )

Returns the scale along the y-axis.

Returns: The y component of the scale.

Vector2 getTranslation ( )

Returns the translation.

Returns: The translation.

float getTranslationX ( )

Returns the translation along the x-axis.

Returns: The x component of the translation.

float getTranslationY ( )

Returns the translation along the y-axis.

Returns: The y component of the translation.

void rotate ( float rotationInRadians )

Adds a rotation angle to the current rotation.

Parameters

rotationInRadians The rotation angle in radians.

SRTValue2D rotated ( float rotationInRadians )

Rotates the SRT object.

Parameters

rotationInRadians The rotation angle in degrees.

Returns: A new SRT object with the rotation applied.

void scale ( Vector2 factor )

Multiplies the current scale with the provided scaling factor.

Parameters

factor The scaling factor.

SRTValue2D scaled ( Vector2 scale )

Scales the SRT object.

Parameters

scale The scaling factor.

Returns: A new SRT object with the scale applied.

void setRotation ( float rotationInRadians )

Sets the rotation.

Parameters

rotationInRadians The rotation angle in radians.

void setScale ( Vector2 value )

Sets the scale.

Parameters

value The scale.

void setScaleX ( float value )

Sets the scale along the x-axis.

Parameters

value The x component of the scale.

void setScaleY ( float value )

Sets the scale along the y-axis.

Parameters

value The y component of the scale.

void setTranslation ( Vector2 value )

Sets the translation.

Parameters

value The translation.

void setTranslationX ( float value )

Sets the translation along the x-axis.

Parameters

value The x component of the translation.

void setTranslationY ( float value )

Sets the translation along the y-axis.

Parameters

value The y component of the translation.

Matrix3x3 toMatrix ( )

Converts the SRT representation to Matrix3x3 transform.

Returns: A matrix representation of the SRT object.

void translate ( Vector2 translation )

Adds the provided translation to the current translation.

Parameters

translation The translation term.

SRTValue2D translated ( Vector2 translation )

Translates the SRT object.

Parameters

translation The translation term.

Returns: A new SRT object with the translation applied.

void uniformScale ( float factor )

Multiplies the current scale with the provided uniform scaling factor.

Parameters

factor The scaling factor.

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation