ActionScript 3.0 :: Document Class Vs Import?
Apr 24, 2010
I'm just wondering about the difference between using an external .as file as a Document Class vs importing it via some timeline code like:
Code:
import Pixoid;
var pixMC:Sprite = new Pixoid();
pixMC.x = 0[code]...
one thing I have noticed is that altho the above timeline code works certain objects return the "null object" error.for example if in my Pixoid.as file I have any references to the 'stage' object ex:
Code:
pxRow = stage.stageWidth / 10;
it returns
Code:"Error #1009 Cannot access a property or method of a null object reference."so, is there any advantage to using the import strategy vs the Document Class one? should I not worry about it and continue on my happy way with the Document Class?I first ran into this problem with Flex and had to do some kludges to get around it - defining UIContainer object etc - but now that I have found it to also exist in Flash.
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Sep 25, 2009
The header says it all. I am trying to import a couple of classes without attaching a document class to the fla file. Is this possible? I have the class path set as appropriate (I think) in the publish settings since my fla is located inside a swf folder and my classes folder is located outside the swf folder. Its how my project is organized.
Class path set: "..classes"
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Mar 31, 2011
I have 2 flash files, one with an intro and the second that just has a document class file that plays out a snake game. How could i import that document flash file and make it play out on like frame 100 off my other flash file.
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Jul 10, 2009
I am trying to use the CSVLib from [URL].. However; when trying to use one of the examples I get an "1180: Call to a possibly undefined method addFrameScript."This is what I did.Extracted the files, then moved all FLA, AS and CSV files in the root (where also the COM folder resides). Then added the import statement to the Applicaiton file and defined document class.
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Dec 14, 2010
I am dispatching an event from one document class and listening for it via another document class.My code in class A.
Code:
this.dispatchEvent(new MYEvent(MyEvent.APERTURE_DONE));
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Code:
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[code]....
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May 7, 2011
I have a FLA (say Main.FLA) document class with a child MovieClip on the stage: into the child MovieClip I load other swf files: each of the files contains its own Document Class (every swf is a somewhat independent application, say quizzes and so on).For some reason I must use the Main document class to store data (scores or so) from the child swfs loaded into the Main swf. HOW do I reference the Main class? I can't find a way.[code]and dispatch an Event this way from the loaded swf document class to the Main class:[code]Now, first of all I don't know if this could even work. Secondly, I tried to make it work by adding an event listener to my Main class but id did not work.
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Sep 22, 2008
So I had a working .fla, with a document class package in the same directory. Everything was fine, until moving both to a new directory, now the fla cannot find the document class. WTF?
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Apr 2, 2009
i want to import the content of a txt document to a flash website.
I got this code to import the text:
var myTextLoader:URLLoader = new URLLoader();
myTextLoader.dataFormat=URLLoaderDataFormat.VARIAB LES;
myTextLoader.addEventListener(Event.COMPLETE, onLoaded);
[Code]....
I am wondering how i will make that text load into a dynamic textfield.
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May 31, 2011
I want to have a flash document that will import certain variables from an XML file (name, age, and gender) and be able to manipulate them in flash... (i.e, be able to change someone's age or gender or even name in the flash program) But I don't have the first idea where to start. The XML I think I know what to do, but not the flash.Here's a sample of my XML file:
Code:
<?xml version="1.0"?>
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Mar 18, 2009
I need to call the class into to my control as file. The problem I'm getting now is this error. "environmentTab.lightsButton.addEventListener(MouseEvent.CLICK, selectLights);" environmentTab is a instance name of a movie clip that is on the stage of my .
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Sep 25, 2009
I have a problem with classes. What I am trying to do is this: I create a main class and then i import another class into it.then I create an instance of the new class and add it to the stage.the problem occurs when im trying to use the new classes methods.
import classes.NewClass;
var test:NewClass = new NewClass();
addChild(test);[code].....
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Jun 18, 2010
So basically i have my root folder with my fla and my document class in it, then I have a folder called 'main' with another class in it (Control)
But I can't seem to import my main.Control into my document class... (I would like to create an instance)
Code:
package{
import flash.display.*
import main.Control//is this wrong?
[Code]....
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Jul 28, 2011
Using Flash CS5 Professional I have created a symbol, dragged it onto the stage, and given it an instance name of GreenLight1. If I want to make this visible from the document class, I can simply do the GreenLight1.visible=true; and poof it's good to go when I test the file. As long as I stay in the document class I am good to go, but now I'm trying to move to another class and hitting ALL kinds of trouble just trying to get Flash to allow me to access this simple object. All I am looking to do is have this GreenLight1 go invisible (visible=false) when a certain condition occurs in this new class and Flash just won't let me access GreenLight1 at all. Things I've tried thus far:
stage is passed to the class and is referenced by _stage and is working just fine when I do _stage.addchild or anything like that. So I have tried "_stage.GreenLight1.visible=false;" and I get "ReferenceError: Error #1069: Property GreenLight1 not found on flash.display.Stage and there is no default value." My document class extends Sprite, so I figured I'd try the root function. So I tried "Sprite(root).GreenLight1.visible=false;" and I get "1119: Access of possibly undefined property GreenLight1 through a reference with static type flash.display:Sprite." I tried to create the Resource class as described therein. To which I came across the same problem that I started with in that it doesn't know what GreenLight1 is to begin with so I got "1120: Access of undefined property GreenLight1." Here is my code for Resource.as (am I supposed to pass something to this class from the document class?)
[Code]...
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Aug 16, 2011
If I have a Document class that extends MovieClip, and I want to use it as the basis for another Document class, is it possible to create a subclass that extends the main document class and use that for a different FLA?
For example,
fla1.fla has a document class of MyMainClass:
public class MyMainClass extends MovieClip
fla2.fla has a document class of MySubClass:
public class MySubClass extends MyMainClass
I've tried, but now I'm getting errors that all of my variables that reference stage instances aren't being found.
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Mar 13, 2012
while working with a server side script (php or aspx) which returns some data(from the database) can we call it in a sub-class or do we have to make the calls in the document class itself?
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Mar 14, 2012
Say i need to send some data from AS 3.0 to a server-side script for it to do some actions. Can I do this in a sub-class called some where in a document class or should we always do it in a document class?
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Feb 3, 2009
Ok, this is one of those walls that I know once I can jump over it, I will be a much happier developer again.
I've done tons of reading, and think I have a firm understanding that the general consensus is that if you want to reference something, it needs to be added to the display list, using addChild().
I hate to be defiant, but what if I don't want to?
Or at the very least, what if I want to add a movieclip class to the stage using addChild, and then reference objects inside it?
It is much easier this way than what most people recommend - adding 15 objects via addChild, then setting the x and y for the, etc.
That said, I'm all about using classes and using as3 the way it was meant to be used. So what this is, is a best practices question I guess.
HERE ARE THE STEPS I'M TRYING:
- Create new flash document
- Draw graphic symbol bg, with text field over it, select them, convert to movieclip symbol, and export class name "box", then delete it from stage
- Add document class .as file, which simply adds that class "box" from the library, to the display list using a simple addChild()
- Set a name for that box using box.name = "test" let's say
- Do a simple trace like the following - "getChildByName('test').textFieldName" - it shows up great
- So then, I'll now try to set the text by doing this - getChildByName('test').textFieldName.text = "yo";
That last line above, is what doesn't work. I know I'm referencing wrong, but how would a pro as3 developer, reference something on the stage within a movieclip class, from the document class?
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Oct 12, 2010
i have a movie clip which is exported for ActionScript , i want to get a variable from the document class into the movie clip class i tried this but there was an error !!
ActionScript Code:
var main:Main=new Main();
main.txtScore.text="hello";
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Apr 20, 2011
I have a custom class created by a main document class, and I want the custom class to run a function in document class after some time.
How can I sent the instruction from custom class back to the document class?[code]...
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Dec 7, 2009
Is there a way I can reference a Movie clip I have on the main stage from a custom class of a document class?[code]
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Aug 18, 2009
I found myself loading a new XML file every day and so decided to create a small class that will load the xml file and return it.The class is loading the file but when i try to return it to a new xml object in the document class it doesnt load it.I think that it's something to with the return being in a nested function but i tried a few ways and non seems to work.
[DOCUMENT CLASS]
loadXML:LoadXML = new LoadXML();
myXML:XML = new XML(loadXML.loadXMLFile("gallery.xml"));[code].....
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Mar 1, 2011
I created a movieclip with a star. Then, I creates a document class and I named it as Main.as.
In that document class I wrote:
package
{
import flash.display.*;
public class Main extends MovieClip
[Code]....
I´m not posting here all the code, but you can easily see that I´m using x_origin and y_origin variables to keep the original position of the movie clip. I will use them to move the star back to the original position.
The problem is that instead of being 20 and 30 respectively, tracing them I see that they are both ZERO. So when I drop the star, instead of going to x=20,y=30 it moves back to x=0 and y=0. I´ve to get the star position relative to stage, but I can´t find anyway!
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Oct 12, 2010
I am using the Loader class to load 3 external swfs: sharedTopics.swf (does not have a document class) fonts.swf (document class is FontManager) main.swf (document class is Main) The same loader is used to load all 3 assets.
[Code]...
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Oct 14, 2011
I need to use stage.width/height in my CustomClass so I found some topics about it.
if (stage)
{
init(ar,firma,kontakt,oferta,naglowek,tekst,dane);
[code]......
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Mar 7, 2012
How to access a display object on the stage in a class which is not a document class?
I am looking for a solution that doesn't involve passing the stage as a parameter to the class.
One solution i always come across is using "TopLevel.as". Is it a good method because as far as I have heard using global variables is not recommended because it might cause some problems while working on big projects.
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Aug 8, 2008
How can I run function of the main document class from a class of a MovieClip? I usually just used MovieClip(parent).function(), but now my MovieClip has another parent. Or what do I have to pass to the MovieClip class when creating the MovieClip to acess the main document class?
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Jan 27, 2009
I've been sorting through the XML docs and i've bumped my head into a bit of a question. So, to preface, I have been able to load the XML successfully, but I want to be able to use my own XML loader class to load the XML and then be able to reference it from the document class. Also, I'd like to be able to send a file path to the loader class when I call it.
The document class:
ActionScript Code:
package rg.sites{
// flash classes
[code]....
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Aug 21, 2009
Is there a way to link to a class file from the timeline rather than using the Document Class? (I tried using the document class but it messed up because of the nested movie clips and stuff like that... so I need another way)
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Dec 8, 2009
Is there a way to refer to a Movieclip on the stage from a class file of the document class
Lets say I have 3 MovieClips on the stage(a Circle, a Square and a Triangle)
I have the document class which calls another class that controls the MC on the stage
Example
ActionScript Code:
package {
public class Example extends Sprite {
//Create the instance of the class being called
[Code]....
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Dec 28, 2009
I'm trying to create a class which will create a tween for several different instances of an object. I am creating the instances in the Document Class. The trick is, I would like to specify how long each tween will take.
Here's what I have so far:
DOCUMENT CLASS
ActionScript Code:
package {
import flash.display.MovieClip;
import mcCloud;
[Code].....
As you can see, I have a variable "myTime" which syncs the timer and the tween. This causes to tween to repeat and the clouds to continually scroll across the stage. How can I determine the var myTime at the time I create each instance of the Movie Clip mcCloud?
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