Class MotionManager

src/scripting/api/Display/MotionManager.ts:12–189

   * @author Jim Chen
   */
  export class MotionManager {
    private _isRunning:boolean = false;
    private _ttl:number;
    private _dur:number;
    private _parent:DisplayObject;
    private _timer:Runtime.Timer;
    private _timeKeeper:Runtime.TimeKeeper;
    private _independentTimer:boolean;
    private _tween:Tween.ITween;
    public oncomplete:Function = null;

    constructor(o:DisplayObject,
      dur:number = 1000,
      independentTimer:boolean = false) {

      if (typeof o === 'undefined' || o === null) {
        throw new Error('MotionManager must be bound to a DisplayObject.');
      }

      this._ttl = dur;
      this._dur = dur;
      this._parent = o;
      this._independentTimer = independentTimer;
      this._timeKeeper = new Runtime.TimeKeeper();

      var self = this;
      if (this._independentTimer) {
        this._timer = new Runtime.Timer(41, 0);
        this._timer.addEventListener('timer', () => {
          self._onTimerEvent();
        });
        this._timer.start();
      } else {
        this._parent.addEventListener('enterFrame', () => {
          self._onTimerEvent();
        });
      }
    }

    set dur(dur:number) {
      this._timeKeeper.reset();
      this._ttl = dur;
      this._dur = dur;
    }

    get dur():number {
      return this._dur;
    }

    get running():boolean {
      return this._isRunning;
    }

    /**
     * Private method invoked every time a timer event is fired
     */
    private _onTimerEvent():void {
      // Ignore timer events if this is not running