Class: StateManager

Phaser. StateManager

Phaser.StateManager

new StateManager(game, pendingState)

The State Manager is responsible for loading, setting up and switching game states.

Parameters:
Name Type Argument Default Description
game Phaser.Game

A reference to the currently running game.

pendingState Phaser.State | Object <optional>
null

A State object to seed the manager with.

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Members

current

Properties:
Name Type Description
current string

The current active State object (defaults to null).

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game

Properties:
Name Type Description
game Phaser.Game

A reference to the currently running game.

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onCreateCallback

Properties:
Name Type Description
onCreateCallback function

This is called when the state preload has finished and creation begins.

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onInitCallback

Properties:
Name Type Description
onInitCallback function

This is called when the state is set as the active state.

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onLoadRenderCallback

Properties:
Name Type Description
onLoadRenderCallback function

This is called when the State is rendered during the preload phase.

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onLoadUpdateCallback

Properties:
Name Type Description
onLoadUpdateCallback function

This is called when the State is updated during the preload phase.

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onPausedCallback

Properties:
Name Type Description
onPausedCallback function

This is called when the game is paused.

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onPauseUpdateCallback

Properties:
Name Type Description
onPauseUpdateCallback function

This is called every frame while the game is paused.

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onPreloadCallback

Properties:
Name Type Description
onPreloadCallback function

This is called when the state starts to load assets.

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onPreRenderCallback

Properties:
Name Type Description
onPreRenderCallback function

This is called before the state is rendered and before the stage is cleared.

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onRenderCallback

Properties:
Name Type Description
onRenderCallback function

This is called post-render. It doesn't happen during preload (see onLoadRenderCallback).

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onResizeCallback

Properties:
Name Type Description
onResizeCallback function

This is called if ScaleManager.scalemode is RESIZE and a resize event occurs. It's passed the new width and height.

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onResumedCallback

Properties:
Name Type Description
onResumedCallback function

This is called when the game is resumed from a paused state.

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onShutDownCallback

Properties:
Name Type Description
onShutDownCallback function

This is called when the state is shut down (i.e. swapped to another state).

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onUpdateCallback

Properties:
Name Type Description
onUpdateCallback function

This is called when the state is updated, every game loop. It doesn't happen during preload (@see onLoadUpdateCallback).

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states

Properties:
Name Type Description
states Object

The object containing Phaser.States.

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Methods

add(key, state, autoStart)

Adds a new State into the StateManager. You must give each State a unique key by which you'll identify it. The State can be either a Phaser.State object (or an object that extends it), a plain JavaScript object or a function. If a function is given a new state object will be created by calling it.

Parameters:
Name Type Argument Default Description
key string

A unique key you use to reference this state, i.e. "MainMenu", "Level1".

state Phaser.State | object | function

The state you want to switch to.

autoStart boolean <optional>
false

If true the State will be started immediately after adding it.

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checkState(key) → {boolean}

Checks if a given phaser state is valid. A State is considered valid if it has at least one of the core functions: preload, create, update or render.

Parameters:
Name Type Description
key string

The key of the state you want to check.

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Returns:

true if the State has the required functions, otherwise false.

Type
boolean

clearCurrentState()

This method clears the current State, calling its shutdown callback. The process also removes any active tweens, resets the camera, resets input, clears physics, removes timers and if set clears the world and cache too.

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destroy()

Removes all StateManager callback references to the State object, nulls the game reference and clears the States object. You don't recover from this without rebuilding the Phaser instance again.

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getCurrentState()

Gets the current State.

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Phaser.State

Links game properties to the State given by the key.

Parameters:
Name Type Description
key string

State key.

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<protected> loadComplete()

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<protected> pause()

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<protected> pauseUpdate()

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<protected> preRender()

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preUpdate()

preUpdate is called right at the start of the game loop. It is responsible for changing to a new state that was requested previously.

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remove(key)

Delete the given state.

Parameters:
Name Type Description
key string

A unique key you use to reference this state, i.e. "MainMenu", "Level1".

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<protected> render()

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<protected> resize()

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restart(clearWorld, clearCache, parameter)

Restarts the current State. State.shutDown will be called (if it exists) before the State is restarted.

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

Clear everything in the world? This clears the World display list fully (but not the Stage, so if you've added your own objects to the Stage they will need managing directly)

clearCache boolean <optional>
false

Clear the Game.Cache? This purges out all loaded assets. The default is false and you must have clearWorld=true if you want to clearCache as well.

parameter * <repeatable>

Additional parameters that will be passed to the State.init function if it has one.

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<protected> resume()

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start(key, clearWorld, clearCache, parameter)

Start the given State. If a State is already running then State.shutDown will be called (if it exists) before switching to the new State.

Parameters:
Name Type Argument Default Description
key string

The key of the state you want to start.

clearWorld boolean <optional>
true

Clear everything in the world? This clears the World display list fully (but not the Stage, so if you've added your own objects to the Stage they will need managing directly)

clearCache boolean <optional>
false

Clear the Game.Cache? This purges out all loaded assets. The default is false and you must have clearWorld=true if you want to clearCache as well.

parameter * <repeatable>

Additional parameters that will be passed to the State.init function (if it has one).

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Nulls all State level Phaser properties, including a reference to Game.

Parameters:
Name Type Description
key string

State key.

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<protected> update()

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Phaser Copyright © 2012-2014 Photon Storm Ltd.
Documentation generated by JSDoc 3.3.0-dev on Wed Oct 22 2014 21:46:08 GMT+0100 (BST) using the DocStrap template.