PIXI.Transform

class Transform

Transform that takes care about its versions.

Summary

Properties from Transform

	static IDENTITY A default (identity) transform.
number	_parentID The locally unique ID of the parent's world transform used to calculate the current world transformation matrix.
number	_worldID The locally unique ID of the world transform.
PIXI.Matrix	localTransform The local transformation matrix.
PIXI.ObservablePoint	pivot The pivot point of the displayObject that it rotates around.
PIXI.ObservablePoint	position The coordinate of the object relative to the local coordinates of the parent.
number	rotation The rotation of the object in radians.
PIXI.ObservablePoint	scale The scale factor of the object.
PIXI.ObservablePoint	skew The skew amount, on the x and y axis.
PIXI.Matrix	worldTransform The world transformation matrix.
number	protected _currentLocalID The locally unique ID of the local transform used to calculate the current local transformation matrix.
number	protected _cx
number	protected _cy
number	protected _localID The locally unique ID of the local transform.
number	protected _rotation The rotation amount.
number	protected _sx
number	protected _sy

Methods from Transform

void	setFromMatrix(matrix: PIXI.Matrix)
void	updateLocalTransform() Updates the local transformation matrix.
void	updateTransform(parentTransform: PIXI.Transform)
void	protected onChange() Called when a value changes.
void	protected updateSkew() Called when the skew or the rotation changes.

Public Properties

IDENTITY Transform.ts:13

static IDENTITY

A default (identity) transform.

_parentID Transform.ts:34

_parentID: number

The locally unique ID of the parent's world transform used to calculate the current world transformation matrix.

_worldID Transform.ts:37

_worldID: number

The locally unique ID of the world transform.

localTransform Transform.ts:19

localTransform: PIXI.Matrix

The local transformation matrix.

pivot Transform.ts:28

pivot: PIXI.ObservablePoint

The pivot point of the displayObject that it rotates around.

position Transform.ts:22

position: PIXI.ObservablePoint

The coordinate of the object relative to the local coordinates of the parent.

rotation Transform.ts:199

rotation: number

The rotation of the object in radians.

scale Transform.ts:25

scale: PIXI.ObservablePoint

The scale factor of the object.

skew Transform.ts:31

skew: PIXI.ObservablePoint

The skew amount, on the x and y axis.

worldTransform Transform.ts:16

worldTransform: PIXI.Matrix

The world transformation matrix.

Protected Properties

_currentLocalID Transform.ts:70

protected _currentLocalID: number

The locally unique ID of the local transform used to calculate the current local transformation matrix.

_cx Transform.ts:43

protected _cx: number

The X-coordinate value of the normalized local X axis, the first column of the local transformation matrix without a scale.

_cy Transform.ts:55

protected _cy: number

The X-coordinate value of the normalized local Y axis, the second column of the local transformation matrix without a scale.

_localID Transform.ts:67

protected _localID: number

The locally unique ID of the local transform.

_rotation Transform.ts:40

protected _rotation: number

The rotation amount.

_sx Transform.ts:49

protected _sx: number

The Y-coordinate value of the normalized local X axis, the first column of the local transformation matrix without a scale.

_sy Transform.ts:61

protected _sy: number

The Y-coordinate value of the normalized local Y axis, the second column of the local transformation matrix without a scale.

Public Methods

setFromMatrix Transform.ts:189

setFromMatrix(matrix: PIXI.Matrix) → {void}

Decomposes a matrix and sets the transforms properties based on it.

Parameters:
Name	Type	Description
matrix	PIXI.Matrix	The matrix to decompose

Returns:
Type	Description
void

updateLocalTransform Transform.ts:123

updateLocalTransform() → {void}

Updates the local transformation matrix.

Returns:
Type	Description
void

updateTransform Transform.ts:145

updateTransform(parentTransform: PIXI.Transform) → {void}

Updates the local and the world transformation matrices.

Parameters:
Name	Type	Description
parentTransform	PIXI.Transform	The parent transform

Returns:
Type	Description
void

Protected Methods

onChange Transform.ts:94

protected onChange() → {void}

Called when a value changes.

Returns:
Type	Description
void

updateSkew Transform.ts:100

protected updateSkew() → {void}

Called when the skew or the rotation changes.

Returns:
Type	Description
void