options
Object
TODO beginning state
Retrieve function with key "curveName" from internal dictionary of registered curves. Default curves are defined in the TweenTransition.Curves array, where the values represent unitCurve functions.
Add transition to end state to the queue of pending transitions. Special Use: calling without a transition resets the object to that state with no pending actions
Get interpolated state of current action at provided time. If the last action has completed, invoke its callback.