Question

What replaces root.gotoAndPlay?

Asked by: 192_168_1_103

Hello,

I'm not an expert in Flash, but I definitely had a working understanding of earlier (AS2) versions.  The new changes in Actionscript 3, though, have me completely confused on things that were once very simple.  I have a timeline that contains a movie clip full of navigation buttons.  Within that movie clip, I would like one button to return to the head of the timeline one level up.  In the old days, I'd use _root.gotoAndPlay(1) and be done with it.  Now, no dice.  I get the following:
"1061: Call to a possibly undefined method gotoAndPlay through a reference with static type flash.display:DisplayObject."

I saw in the help that _root is now just root, but that doesn't do it either.  Also, I've tried parent.gotoAndPlay with no success.  I also tried referring to the scene (gotoAndPlay(1,"Scene 1")), which I've never tried before and it told me that the scene could not be found--I don't know if it's legal to call from within the same scene, as I've never had to.

I (somewhat) understand that the hierarchy has been messed around with a bit, and I think the problem may (not sure) be that my movie clip contains an flvPlayback component, which is also a displayObject (which is what root falls under now).  Unfortunately, I don't know how to get and specify which object I mean.  The help file is dreadful in this regard, mentioning only that root has been replaced by flash.display.DisplayObject.stage (which I tried pasting in just for kicks--doesn't work, either; I don't know the displayObject in question).

Can somebody tell me how to get this thing to jump back to frame 1?  The structure, again, is : Scene>Movie Clip>Frame with AS3 and Movie Clip.

Thanks!

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Asked On
2008-02-22 at 16:57:11ID23186375
Tags

Adobe

,

Flash

,

CS3

,

Actionscript 3

Topics

Adobe Flash

,

General Multi-Media Software

Participating Experts
2
Points
500
Comments
5

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Answers

 

by: VulturousPosted on 2008-02-22 at 18:52:33ID: 20963382

Yeah... ActionSctipt 3 structure suffered many changes compared to ActionScript 2.

Assuming your button is plainly named "btn", here's the code that should do the trick for you:

<code snippet>

-V

btn.addEventListener(MouseEvent.MOUSE_UP, onReleased);
 
function onReleased(event:MouseEvent):void {
        //trace(event.target.parent.parent.name); /*This should be a reference to "root", you can try changing it around adding or deleting more ".parent"s */
	event.target.parent.parent.gotoAndPlay(1);
}

                                              
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by: ZefferPosted on 2008-02-22 at 19:17:28ID: 20963444

here's another approach..
root is of type DisplayObject, and parent is of type DisplayObjectContainer. Neither of those have multiple frames, so timeline control methods wont work.. so cast root or parent to MovieClip (a subclass of both of those classes), which will allow you to use those methods.
eg..
MovieClip(root).gotoAndStop(1);
MovieClip(parent).gotoAndStop(1); //you want this one
Z

 

by: 192_168_1_103Posted on 2008-02-22 at 19:21:40ID: 31433467

Great solutions!  Thanks for the quick replies!!!!

 

by: 192_168_1_103Posted on 2008-02-22 at 19:28:34ID: 20963476

Thank for the great replies!!
Vulturous: I'm using your solution for my project.  I saw that one first, and it's nice and complete and easy to do. Once I saw it, I suddenly remembered having made use of the event.target property for something quite different a little while back, but I'd forgotten all about it-- I'll really have to remember it for the future!

Zeffer: Thank you for your addition as well;  I really learned something from yours--I didn't know that I could cast in Flash!  Now I've got a new functionality I can abuse!  :D

Thanks again guys!!

 

by: VulturousPosted on 2008-02-23 at 23:53:29ID: 20969154

No problem, glad to be helpful :)

-V

20120131-EE-VQP-002

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