ActionScript 3.0 :: Timeline Navigation And The Display List?
Nov 20, 2009
I've got a movieclip called "rotatorProxy" that spans the entire timeline. I've got nav buttons that jump to various frames on that timeline. I need to get the display depth of rotatorProxy each time the nav buttons move the playhead. The AS3 code is easy enough:
var zIndex:int = this.getChildIndex(getChildByName("rotatorProxy")) ;
my problem is where to put it. If I put this code in any script that executes in the target frame, it works, but only if I hit the nav buttons slowly. If I bang on a single nav button rapidly, getChildByName("rotatorProxy") can return null. I don't know much about how the display list works but I assume the display list is rebuilt after every jump and the frame scripts are executing asynchronously, so it's possible my getChildByName call is executed before the display list is complete. Is there an event or some other handle that would allow me to call my code before the frame is rendered but after the display list is complete?
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Jun 23, 2009
I am having some kind of issue with the display list? I have a function that goes through various frames of my timeline and then traces all the symbols on the stage..
ActionScript Code:
for (var pm = 0; pm < this.numChildren; pm++) {
var child = this.getChildAt(pm);
trace(child.name)
}
What I am noticing is that it will return everything until it runs into a symbol that does not exist on every frame.. as soon as it does encounter a symbol that does not exist on all frames of the main time line it spits out -
TypeError: Error #1009: Cannot access a property or method of a null object reference. at 3_Migration_Standard_Nav_v2_fla::MainTimeline/pMovie()
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Mar 23, 2012
Why I have to press 2 times the arrow key down to get a navigation through the list items in a list component of Flash?
Theres any workaround for this? I have a listener for keyboard event that checks if keyCode is equal to 40 if it is then I use 'stage.focus = list', but I have to press 2 times key arrow down to start navigating through list items.
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Aug 5, 2011
I have a list containing display objects from throughout the application (insertion order). I want to process the list either top-down (parent, child) or bottom up (child, parent). The only requirement is that either a parent is processed before any child or vice versa a child before its parent. What is a good approach? This question is not about sorting a list. It's about retrieving the depth of a particular display object.
Example
Display list:
A (root)
B1
C1
C2
D1
B2
......
My list:
list = [E1, F4, A, B2, B1, C3, ..., N9, N8]
Bottom-up:
N9, N8, F4, E1, C3, B2, B1, A
Top-down:
A, B2, B1, C3, E1, F4, N9, N8
Does not matter if N9 before N8 or N8 before N9. Important is that any N is before M (first run) or any M before its children N* (second run).
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Mar 6, 2008
Is there any way to test if a display object has been added to the display list?
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Jan 25, 2009
i am trying to set up a navigation from a list box...for instance if they click on the first item it goes to specific url and if they click on the second item in the list it goes to that specific url.here is my code. i figured out how to select an item and it go to a url but all of them go to that url [code]
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Mar 4, 2011
What's a simple way to detect if a display object is currently on the display list?
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Jun 28, 2011
How do I identify all the display objects in the display list in ActionScript, bellow the one that I have clicked? All the other objects are shadowed by the first one. What if other objects have visible parameter as hidden?
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Jul 8, 2011
I was wondering if there is a shortcut so i can always set a MovieClip to display at the tippy top of the display list?
Also i understand that WebViewLayer will always display above the display list.
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Feb 9, 2009
It's my understanding that a display object cannot be in the display list more that once.So if I add something to the stage shouldn't a second addition of the same object replace the first? for instance:
[code]...
there should now only be one "myDisplayObject" on the stage.
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Feb 24, 2010
Got a WordPress site and embedded Flash navigation which is showing fine on the home page in IE, but not translated across to the other pages. All pages show fine in Google Chrome and Firefox, what the issue could be with IE? [URL]
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Nov 10, 2008
I need to create a navigation scheme with a dynamic list of movieclips that cycles, the user being able to cycle through the list left or right seamlessly.For example, say there are 12 items in the list, and at any given time three of them are to be displayed, with the center one being the focus/selected item. If the user clicks on the center/focus item, it takes them to a page, no trouble. If they click on the one to the left of the focus item, the list slides right, with the clicked one becoming the new center, focus item.
So, now say that the three visible items are 10, 11, and 12 in our array. If the user clicks on number 12, the list will slide left, with number 12 becoming the focus, and the goal would be to have item number 1 become the new, right-most item in the display - thus, the visible three would be 11, 12, 1. If the user then clicked on one, the cycle would continue, making number 1 the focus and the visible items would be 12, 1, 2. This should work seamlessly at both extremes of the list.
So in one instance, I have created a single movieclip that contains all of the items in the list, plus four extra at the end, to allow the appearance of seamlessness; when the user got to the end, the entire clip jumped to the start. This works, more or less, but it's clunky and I need to find a better way.
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Feb 28, 2009
I have created a drop down menu but cannot code it to move the main time line using gotoAndStop ("framelabel"). What is the proper path to access the main time line from an drop down menu mc?
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Sep 17, 2009
So I want to create a timeline nav like this site:timeline is a 40 x 40px color filled movie clip that use as the playhead.featContent is the movie clip that contains the feature content.I make the timeline controls the feature contents to slide (using tween class) to the next feature. No problem on this, but I can't make the feature to slide when click on the button.
Code:
function loadFeature(node){
var m = 0;
[code]......
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Sep 28, 2009
I'm having an issue with my website design and as I'm relatively new to flash I can't seem to fix it on my own. I know what I'm supposed to do, technically, but not sure how to actually implement it. Below is a picture of my timeline: What my problem is that the buttons for navigating my pages (bio, news, projects, links, etc.) are nested inside of my Navigation MC (on the Navigation layer) and so they appear in the timeline (at frame 20) before my content does (frame 70). Because of this, the buttons can't be aimed at the content because their code is run before the content even exists.
I'm guessing that what I need to do is to instantiate my content at a point in the timeline before the navigation/buttons occur... but as the content is the last part of my loading animation, I'm not sure how to do that. I read something about adding the MC's but keeping them invisible, then making them visible again at teh appropriate time, but I don't know how to do that or if it would somehow mess with my animation (everything fades in one item after the other, with the content being the last part).
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Jan 23, 2009
how to navigate through the Main timeline using the arrow keys!I know its probably been asked (and covered) a thousand times, so sorry in advance.And yes, of course i've googled it but every piece of code i try seems to error :C
So, just to re-cap, i'm trying to display whats on frame 2 when say, key 40 (right arrow key, i think) is pressed, then return to frame 1 on release, if that makes sense.
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Jan 12, 2012
I'm new to the forums and fairly new to action-script also,Generally such basic things are a breeze, but i can't for the life of me figure out how to navigate through the Main timeline using the arrow keys;And yes, of course i've googled it but every piece of code i try seems to error.So, just to re-cap, i'm trying to display whats on frame 2 when say, key 40 (right arrow key, i think) is pressed, then return to frame 1 on release, if that makes sense.
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Jan 24, 2009
I will just try my best to explain my document, I have a movie with 4 different content pages on the same layer I have buttons to take you to each page when clicked. Once clicked the content holder has a scale tween that scales to 0 then to full size to create like a box in and out effect with the text content appearing using Alpha once the content box is full size. The box out effect happens after the content has been visible and I would like it to be the in-between effect between the different content pages. So I guess I am asking how to continue playing the rest of the tween then goto and play the next relevant page after the button click at the moment my code is navigating but missing the last part of the tween as I am not sure on how to get it to play to the end of the tween then carry on from that frame to the beginning of the next content page.
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Jun 6, 2010
I'm working on a flash music site [URL] and am trying to integrate a 480x320 .flv into a frame loop in the "game" section of the main movie.
I first tried loading a .swf version of the same file but I couldn't get it to unload (video and audio) and it really slowed down the performance of the main movie.
That was Thursday.
So I tried to use quicktime but flash CS4 no longer accepts it.
All day yesterday I've been working with a .flv version (which doesn't look nearly as good) and tried to directly import it but got an error ("no such file exists") even when it's right next to the other files.
With the Wizard I tried both picking the local file and assigning the URL of the file previously uploaded to my site.
So i then tried to use actionscript to load it into the actions layer on the frame at the beginning of the "game" scene which after hours of fiddling finally worked.
Here's the current problem:
I just want it to loop until someone clicks to go to another section but now what happens is the video and sound from the .flv keep playing even after you click on another button to navigate away from this scene.
I tried online to find a way to unload the .flv but none of them worked - went thru pages of google searches but the suggested coding did not prevent the .flv from unloading.
here's my code which is in the actions layer at the beginning of the "game" scene:
var vid:Video = new Video(480, 320);
vid.x=231;
vid.y=457;
addChild(vid);
[Code].....
It is very frustrating that Adobe makes it incredibly difficult for an intermediate user to do such a basic thing - load a swf or flv into an fla and have it play, then stop playing when someone navigates away.
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Apr 27, 2011
I have an MC inside which consists of some images on different frames and some buttons which are supposed to gotoandStop on each of the frames. A simple gallery.
My plan is to create an MC for each gallery on my site and sit each one in a unique frame, so the main navigation btns go to a frame with an MC in it, then the MC buttons navigate within that gallery.
But the buttons aren't working.
Here's the button code inside the MC:
on1_btn.addEventListener(MouseEvent.CLICK, fl_ClickToGoToAndStopAtFrame_5);
function fl_ClickToGoToAndStopAtFrame_5(event:MouseEvent):void
{
gotoAndStop("on1");
}
Note: I've labelled the button instances and frames the same for ease of checking the code, there are multiple buttons here each with the same code except for the change in numbers.
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Dec 22, 2010
I have a presentation with two set of buttons.Clicking on the set which is on the Frame (2) Should redirect to the set of buttons Frame (3),(4),(5),(6),(7)As you can see in the image, the (2) gives the order to go to the next (3) and it works.But when it goes from (2) to (5) or (6) or (7) then the second set of buttons don't work anymore.[URL]
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Oct 13, 2006
We are developing a dynamic image slide show which display images dynamically from XML data. We need display the numbers like (1 2 3 4 5 ) from the xml file as per the number of records for images with hyperlinks to their corresponding images. (We also need to display 10 numbers at a time )
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Mar 15, 2012
I am new to actionscript. I was trying to make a slide show frame by frame. I have my main timeline with the following code in first frame.
stage.addEventListener(KeyboardEvent.KEY_DOWN, fl_changeSlide);
function fl_changeSlide(evt:KeyboardEvent):void{
if (evt.keyCode = 37) // LEFT{
gotoAndStop(this.currentFrame-1);
}else if (evt.keyCode == 39 || evt.keyCode == 32){
gotoAndStop(this.currentFrame+1);
}}
In the third frame I am trying to load an external swf by clicking a button 'rrbutton' and unload the same when the user clicks left arrow.
var loadit = new Loader();
function ack(evt.keyboardEvent):void {
if(evt.keyCode == 37){
loadit.unloadAndStop();
stage.addEventListener(KeyboardEvent.KEY_DOWN, fl_changeSlide);
[Code] .....
The external swf loads on clicking the button and unloads when left arrow is pressed and the main time line frame appears. But thereafter the keyboard navigation in the main timeline(through function fl_changeSlide) is not working properly.
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Jul 21, 2011
Fail to control my timeline with the gesture swipe; I have tried but without any success. ive created frame labels at every 20 frame as a navigation points and some motion tween between each 20 frames.
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Sep 26, 2006
I have a navigation menu that is a movieclip (menu_mc). In the movieclip are 5 buttons. i need the buttons, when clicked, to play a different area of the timeline, dependent on where the user is on the timeline.
I've tried writing this actionscript on the main timeline. But can't get anything to work and am a little lost. for example Say the viewer is on frame 5, and clicks the "blue" button and jumps to frame 6. on frame 6 if they are to click "blue" button again i want to send them to frame 7, not to frame 6.
if anyone could direct me to a tutorial on how to write up something like this, especially one dealing with a very large timeline and multiple buttons, i'd be grateful!
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Oct 12, 2010
My site has a jQuery drop-down navigation menu and that is displayed beneath the Flash. How can I display the navigation menu above the Flash object? I tried with setting wmode="transparent" but it is not work.
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Jun 2, 2009
I'm having alot of trouble tracking down the name of an object on the display list so i can removeChild Is there a way to trace every object on the display list so i can get its name and remove it? my stage is changing dynmically and i can't jut trace each object through a whole whack of code.
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Nov 6, 2009
I have a list box in my flash file that I would like to display a string from an xml file that has been run though html entities in php. So for instance I need the string.
Code:
Hey "Leonardo£$£$()*%£% '"' [1999]
to display as
Code:
Hey "Leonardo;$;$()*%$% '"' [1999]
I can get this to happen in my dynamic text boxes by using .htmlText to display but I have no idea how I would do this in the list box?
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Jan 20, 2010
I've got MovieClips on the stage, both manually added, and added with code. I used this code to trace them all:
for(var i:int=0 ; i<stage.numChildren; i++) {
var myObject = stage.getChildAt(i);
trace(i);
trace(myObject);
}
All it returns is 0 and [object MainTimeline]. Is there something wrong with Flash, or did I do my coding wrong? The objects I put on the stage should be on the Display List, right?
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Feb 3, 2009
How do I removeChild only if it's in the Display List?One button on my stage will addChild(radioButton) and another removes it. If the remove button is clicked first, then it obviously tries to remove something that has not yet been added and an error is returned. I've tried using the DisplayObjectContainer class with the contains() method to no avail.
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