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. |
- Source code: core/StateManager.js (Line 17)
Public Properties
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[readonly] created : boolean
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True if the current state has had its
create
method run (if it has one, if not this is true by default).- Source code: core/StateManager.js (Line 774)
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current : string
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The current active State object.
- Source code: core/StateManager.js (Line 68)
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game : Phaser.Game
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A reference to the currently running game.
- Source code: core/StateManager.js (Line 22)
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onCreateCallback : Function
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This is called when the state preload has finished and creation begins.
- Source code: core/StateManager.js (Line 100)
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onInitCallback : Function
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This is called when the state is set as the active state.
- Source code: core/StateManager.js (Line 88)
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onLoadRenderCallback : Function
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This is called when the State is rendered during the preload phase.
- Source code: core/StateManager.js (Line 136)
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onLoadUpdateCallback : Function
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This is called when the State is updated during the preload phase.
- Source code: core/StateManager.js (Line 130)
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onPausedCallback : Function
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This is called when the game is paused.
- Source code: core/StateManager.js (Line 142)
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onPauseUpdateCallback : Function
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This is called every frame while the game is paused.
- Source code: core/StateManager.js (Line 154)
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onPreloadCallback : Function
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This is called when the state starts to load assets.
- Source code: core/StateManager.js (Line 94)
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onPreRenderCallback : Function
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This is called before the state is rendered and before the stage is cleared but after all game objects have had their final properties adjusted.
- Source code: core/StateManager.js (Line 124)
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onRenderCallback : Function
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This is called post-render. It doesn't happen during preload (see onLoadRenderCallback).
- Source code: core/StateManager.js (Line 112)
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onResizeCallback : Function
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This is called if ScaleManager.scalemode is RESIZE and a resize event occurs. It's passed the new width and height.
- Source code: core/StateManager.js (Line 118)
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onResumedCallback : Function
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This is called when the game is resumed from a paused state.
- Source code: core/StateManager.js (Line 148)
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onShutDownCallback : Function
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This is called when the state is shut down (i.e. swapped to another state).
- Source code: core/StateManager.js (Line 160)
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onStateChange : Phaser.Signal
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onStateChange is a Phaser.Signal that is dispatched whenever the game changes state.
It is dispatched only when the new state is started, which isn't usually at the same time as StateManager.start
is called because state swapping is done in sync with the game loop. It is dispatched before any of the new states
methods (such as preload and create) are called, and after the previous states shutdown method has been run.The callback you specify is sent two parameters: the string based key of the new state,
and the second parameter is the string based key of the old / previous state.- Source code: core/StateManager.js (Line 82)
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onUpdateCallback : Function
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This is called when the state is updated, every game loop. It doesn't happen during preload (@see onLoadUpdateCallback).
- Source code: core/StateManager.js (Line 106)
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states : Object
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The object containing Phaser.States.
- Source code: core/StateManager.js (Line 27)
Public Methods
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add(key, state, autoStart)
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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.
- Source code: core/StateManager.js (Line 183)
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checkState(key) → {boolean}
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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.
Returns
boolean -true if the State has the required functions, otherwise false.
- Source code: core/StateManager.js (Line 423)
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clearCurrentState()
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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.- Source code: core/StateManager.js (Line 378)
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destroy()
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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.- Source code: core/StateManager.js (Line 736)
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getCurrentState() → {Phaser.State}
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Gets the current State.
Returns
- Source code: core/StateManager.js (Line 569)
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<internal> link(key)
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Links game properties to the State given by the key.
Parameters
Name Type Description key
string State key.
- Internal:
- This member is internal (protected) and may be modified or removed in the future.
- Source code: core/StateManager.js (Line 452)
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<internal> loadComplete()
-
- Internal:
- This member is internal (protected) and may be modified or removed in the future.
- Source code: core/StateManager.js (Line 580)
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<internal> pause()
-
- Internal:
- This member is internal (protected) and may be modified or removed in the future.
- Source code: core/StateManager.js (Line 604)
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<internal> pauseUpdate()
-
- Internal:
- This member is internal (protected) and may be modified or removed in the future.
- Source code: core/StateManager.js (Line 653)
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<internal> preRender(elapsedTime)
-
Parameters
Name Type Description elapsedTime
number The time elapsed since the last update.
- Internal:
- This member is internal (protected) and may be modified or removed in the future.
- Source code: core/StateManager.js (Line 676)
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preUpdate()
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preUpdate is called right at the start of the game loop. It is responsible for changing to a new state that was requested previously.
- Source code: core/StateManager.js (Line 324)
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remove(key)
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Delete the given state.
Parameters
Name Type Description key
string A unique key you use to reference this state, i.e. "MainMenu", "Level1".
- Source code: core/StateManager.js (Line 231)
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<internal> render()
-
- Internal:
- This member is internal (protected) and may be modified or removed in the future.
- Source code: core/StateManager.js (Line 703)
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<internal> resize()
-
- Internal:
- This member is internal (protected) and may be modified or removed in the future.
- Source code: core/StateManager.js (Line 690)
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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.
- Source code: core/StateManager.js (Line 291)
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<internal> resume()
-
- Internal:
- This member is internal (protected) and may be modified or removed in the future.
- Source code: core/StateManager.js (Line 617)
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start(key, clearWorld, clearCache, parameter)
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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).
- Source code: core/StateManager.js (Line 262)
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<internal> unlink(key)
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Nulls all State level Phaser properties, including a reference to Game.
Parameters
Name Type Description key
string State key.
- Internal:
- This member is internal (protected) and may be modified or removed in the future.
- Source code: core/StateManager.js (Line 483)
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<internal> update()
-
- Internal:
- This member is internal (protected) and may be modified or removed in the future.
- Source code: core/StateManager.js (Line 630)