Class: Key

Phaser. Key

If you need more fine-grained control over the handling of specific keys you can create and use Phaser.Key objects.

new Key(game, keycode)

Parameters:
Name Type Description
game Phaser.Game

Current game instance.

keycode number

The key code this Key is responsible for.

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Members

altKey

Properties:
Name Type Description
altKey boolean

The down state of the ALT key, if pressed at the same time as this key.

Default Value:
  • false
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ctrlKey

Properties:
Name Type Description
ctrlKey boolean

The down state of the CTRL key, if pressed at the same time as this key.

Default Value:
  • false
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duration

If the key is down this value holds the duration of that key press and is constantly updated. If the key is up it holds the duration of the previous down session.

Properties:
Name Type Description
duration number

The number of milliseconds this key has been held down for.

Default Value:
  • 0
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enabled

Properties:
Name Type Description
enabled boolean

An enabled key processes its update and dispatches events. You can toggle this at run-time to disable a key without deleting it.

Default Value:
  • true
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<readonly> event

Properties:
Name Type Description
event object

Stores the most recent DOM event.

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game

Properties:
Name Type Description
game Phaser.Game

A reference to the currently running game.

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isDown

Properties:
Name Type Description
isDown boolean

The "down" state of the key.

Default Value:
  • false
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isUp

Properties:
Name Type Description
isUp boolean

The "up" state of the key.

Default Value:
  • true
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keyCode

Properties:
Name Type Description
keyCode number

The keycode of this key.

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onDown

Properties:
Name Type Description
onDown Phaser.Signal

This Signal is dispatched every time this Key is pressed down. It is only dispatched once (until the key is released again).

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onHoldCallback

Properties:
Name Type Description
onHoldCallback function

A callback that is called while this Key is held down. Warning: Depending on refresh rate that could be 60+ times per second.

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onHoldContext

Properties:
Name Type Description
onHoldContext object

The context under which the onHoldCallback will be called.

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onUp

Properties:
Name Type Description
onUp Phaser.Signal

This Signal is dispatched every time this Key is pressed down. It is only dispatched once (until the key is released again).

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repeats

Properties:
Name Type Description
repeats number

If a key is held down this holds down the number of times the key has 'repeated'.

Default Value:
  • 0
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shiftKey

Properties:
Name Type Description
shiftKey boolean

The down state of the SHIFT key, if pressed at the same time as this key.

Default Value:
  • false
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timeDown

Properties:
Name Type Description
timeDown number

The timestamp when the key was last pressed down. This is based on Game.time.now.

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timeUp

Properties:
Name Type Description
timeUp number

The timestamp when the key was last released. This is based on Game.time.now.

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Methods

justPressed(duration) → {boolean}

Returns the "just pressed" state of the Key. Just pressed is considered true if the key was pressed down within the duration given (default 250ms)

Parameters:
Name Type Argument Default Description
duration number <optional>
50

The duration below which the key is considered as being just pressed.

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Returns:

True if the key is just pressed otherwise false.

Type
boolean

justReleased(duration) → {boolean}

Returns the "just released" state of the Key. Just released is considered as being true if the key was released within the duration given (default 250ms)

Parameters:
Name Type Argument Default Description
duration number <optional>
50

The duration below which the key is considered as being just released.

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Returns:

True if the key is just released otherwise false.

Type
boolean

<protected> processKeyDown()

Called automatically by Phaser.Keyboard.

Parameters:
Name Type Description
event. KeyboardEvent
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<protected> processKeyUp()

Called automatically by Phaser.Keyboard.

Parameters:
Name Type Description
event. KeyboardEvent
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reset(hard)

Resets the state of this Key. This sets isDown to false, isUp to true, resets the time to be the current time and clears any callbacks associated with the onDown and onUp events and nulls the onHoldCallback if set.

Parameters:
Name Type Argument Default Description
hard boolean <optional>
true

A soft reset won't reset any events or callbacks that are bound to this Key. A hard reset will.

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Phaser Copyright © 2012-2014 Photon Storm Ltd.
Documentation generated by JSDoc 3.3.0-dev on Fri Jul 18 2014 12:36:45 GMT+0100 (BST) using the DocStrap template.