First of all, hello!
I have a similar problem, I am trying to update some variables(skyXto & fieldXto) in some tweens inserted in a timeline. And in order to achieve this,when I resize the stage, I try:
skyXto = (sky_mc._width - Stage.width);
fieldXto = (field_mc._width - Stage.width);
parallaxTween.remove(skyTween);
parallaxTween.remove(fieldTween);
delete skyTween;
delete fieldTween;
var skyTween:TweenMax = new TweenMax(sky_mc,11,{scrollRect:{x:skyXto},ease:Linear.easeNone});
var fieldTween:TweenMax = new TweenMax(field_mc,11,{scrollRect:{x:fieldXto},ease:Linear.easeNone});
parallaxTween.insert(skyTween);
parallaxTween.insert(fieldTween);
Does anyone have any idea why this doesn't work?