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. Returns boolean - true if the State has the required functions, otherwise false. Source code: core/StateManager.js (Line 423)

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 | f

world : Phaser.World A reference to the game world. All objects live in the Game World and its size is not bound by the display resolution. Source code: core/State.js (Line 94)

update() The update method is left empty for your own use.It is called during the core game loop AFTER debug, physics, plugins and the Stage have had their preUpdate methods called.It is called BEFORE Stage, Tweens, Sounds, Input, Physics, Particles and Plugins have had their postUpdate methods called. Source code: core/State.js (Line 161)

tweens : Phaser.TweenManager A reference to the tween manager. Source code: core/State.js (Line 89)

time : Phaser.Time A reference to the game clock and timed events system. Source code: core/State.js (Line 84)

new State() This is a base State class which can be extended if you are creating your own game.It provides quick access to common functions such as the camera, cache, input, match, sound and more. Source code: core/State.js (Line 14)

stage : Phaser.Stage A reference to the Stage. Source code: core/State.js (Line 74)

sound : Phaser.SoundManager A reference to the Sound Manager which can create, play and stop sounds, as well as adjust global volume. Source code: core/State.js (Line 64)

shutdown() This method will be called when the State is shutdown (i.e. you switch to another state from this one). Source code: core/State.js (Line 221)