BitmapData#update()

update(x, y, width, height) → {Phaser.BitmapData}

This re-creates the BitmapData.imageData from the current context.
It then re-builds the ArrayBuffer, the data Uint8ClampedArray reference and the pixels Int32Array.
If not given the dimensions defaults to the full size of the context.

Warning: This is a very expensive operation, so use it sparingly.

Parameters

Name	Type	Argument	Default	Description
`x`	number	<optional>	0	The x coordinate of the top-left of the image data area to grab from.
`y`	number	<optional>	0	The y coordinate of the top-left of the image data area to grab from.
`width`	number	<optional>	1	The width of the image data area.
`height`	number	<optional>	1	The height of the image data area.

Returns

Phaser.BitmapData -

This BitmapData object for method chaining.

Source code: gameobjects/BitmapData.js (Line 596)

Links:

http://phaser.io/docs/2.6.2/Phaser.BitmapData.html#update

doc_phaser

2017-02-14 10:37:19

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