isFrom : boolean Is this a from tween or a to tween? Source code:

new TweenManager(game) Phaser.Game has a single instance of the TweenManager through which all Tween objects are created and updated

updateTweenData(property, value, index) → {

easingFunction : Function The easing function used for the Tween. Default

start(index) → {Phaser.Tween}

yoyo : boolean True if the Tween is set to yoyo, otherwise false. Source

InOut(k) → {number} Circular ease-in/out. Parameters

remove(tween) Remove a tween from this manager. Parameters Name

start() → {Phaser.TweenData}

game : Phaser.Game A reference to the currently running Game