ActionScript 3.0 :: Can't Access Setter Function In The Same Class?
Aug 20, 2010
After doing nothing with AS for quite a while (2007) I started to code a little project in actionscript 3.0. An extensive Java course cleared up a lot on OO programming, but probably gave me some false expectations too.I'm trying to program a game in which a human and computer player compete. The computer player needs to do the same actions as the human one.So for every onClick for the human player has on a screen element, a computer player class needs the same functionality. Now for some reason the clickHandler won't let me call the setter function set selected function (see the lines in red).
Code:
package Classes{
import flash.display.*;
[code]......
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Nov 28, 2009
The generally used workaround for this, is to use a regular function instead of a getter/setter. This results in having to have ( ) after the function variable obviously. The question is, can a Function variable be assigned to a getter/setter function and retain its attribute of not needing brackets.
Below is some Pseudo code representing the question:
#########################################################
public class Foo(){
private var prop:Object;
public function get Prop():Object{return prop;}
[Code].....
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Sep 21, 2010
I can see that when I set htmlText in a textarea control, the text property contains the html free version of the text. So there is a parser somewhere that is ripping of html from the content, which would be very usefull for my purposes.
However, based on the flex source code, the setting of html is done in UITextField.as, which is the type of the textfield member of TextArea. The line that does the work is:
super.htmlText = value;
in function override public function set htmlText(value:String):void Trying to follow the class hieararchy, I end up in FlexTextField class, which extends flash player's textfield class. It appears the functionality I am after is in flash player. So is there any way of accessing this html cleaning function?
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Jan 29, 2012
If I have three classes:
public class Example {
public function Example () {
}[code]............
You can see that the two last classes extend the first one, and both have the 'variable' property. In case that I have an instance of Example and I am sure it is also an ExtendedExample OR AnotherExtendedExample instance, is there some way to access the 'variable' property? Something like
function functionThatReceivesAnExtendedExample (ex:Example):void {
if(some condition that I may need) {
ex.func()
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Dec 16, 2011
I have a class Debug with a function called trace inside it which puts a TextField on the stage and outputs the text. Now I am trying to get the Debug.trace() function to do a "normal" debug trace as well from within side itself. of course this causes a recursive loop. I am trying to figure out how I can access the top level separately. I tried using namespaces such as AS3::trace but to no luck.
I know a solution is to rename my function to stop the conflict, but I would like that to be a last resort. It is being used in quite alot of places throughout my entire code so replacing it everywhere is going to be a ballache.
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Mar 3, 2011
My first experience is build an aquarium with a lot of fish swimming, and they can be clicked. When one of them is clicked we should receive a trace message saying ("I�m a Fish!"). To do this, I thought that the best way will be:
1- create a document class, named Main.as
2- create a base class, named Clicked.as
2- create a movie clip with a fish.
3- export the movieclip to actionscript. In the mc properties set Class as "fish" and Base Class as "Clicked".
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Mar 1, 2010
i have a game that i want to put load screen on, which i created a separate class for. first the main class is initialized and in the constructor function, it does an addChild(loadScreen) which places an instance of the loadScreen MC on the stage. within the loadScreen is a "Play Button" that when a user presses this button i want it to continue startGame in the Main class. the way i tried it was Main.startGame from the loadScreen class, but that obviously does not work. is it possible to call a function from a different class.i have three files:
Main.fla
Main.as
loadScreen.as
the Main.as file:
Code:
package
{
import flash.text.*;
import flash.display.*;
[code]....
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Feb 19, 2012
I recently completed a tic-tac-toe game in AS3, using some simple function-based code I had written in C many years ago.Now I'm on a quest to do it the "right way" using OOP techniques and best practices.Everything is now divided into neat little packages, it looks pretty, and the last part of my journey is to get all the little buggers to communicate with each other.I want to move the code which holds the game state from my main to it's own class in com.okaygraphics.model.GameState.The problem is nearly every other package gets and sets these game state properties.I'm trying to figure out the simplest way to encapsulate this stuff, while still allowing my other classes to access it.
1) Do I need a constructor? I mean, my program will never have more than one GameState. If I should call my getters/setters as instance methods, how do I get each other class to reference the SAME instance from their respective packages?
2) Do I even need getters and setters? Perhaps the class could just have 3 public properties? If so, how would I acheive the proper scope with regard to my other classes?
3) Should I assign everything to the class itself using the static keyword? If so, how would I implement and use those static methods?
4) Is this a mistake? Did I totally just program myself into a corner?
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Jan 1, 2012
what I try I can't get the Setter function to work on a vector.<object>
Mean while the getter works fine Example as below
Code:
public function get frameData() :Vector.<Object>
{
trace("getter");[code]....
the code runs fine without the set function, but not without the get.
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Oct 23, 2009
I have written a class, which is basically a textfield for forms. It will eventually have several validation modes built into it too, which will be set by setting a property of the object.anyway, my problem. Basically my setters are empty if the movie is used as a loaded swf within another movie.I have an Event listener within the class listening for the Event.ACTIVATE event (still not sure exactly what this does...) though i do know that i need this in place for the setters/getters to work.If i create objects from my class, set some properties everything is spot on, though the moment i load this working movie into another movie the Event.ACTIVATE does not fire.[code]Now, if i run this movie its perfect - everything works as it should, right down to the validation.however, this movie is to be used within another movie. When i load this movie into a parent movie my fields aren't added to the movie.
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Jan 27, 2012
I am trying to access another class function. I have 2 Classes and my main menu features are in my Main Class and I want to call that function from my Level ClassWhat is a good idea to approach this, some how I need to import it in a way but I don't know how I could do that.
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Mar 25, 2011
I have a AS3 MP3 player. The player class is called Mp3PlayerFrontEnd and controls the play and pause buttons. The playlist class is called PlaylistBoxItem and loads the track names into a playlist from XML. On each line of the playlist is a download button. When the download button is pressed, I want the player to pause. I thought I could just _player.pause(); from the playlist class but it doesnt work.
So my question is... How do I access the function in the MP3 player class from the playlist class?
"Normally you will just have to get access to the Mp3Player instance in PlaylistListboxItem class and call pause() on it in download function. I guess the easiest way to achieve this is to create a public static instance of a holder class that could be used access the player from wherever in code."
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Jan 26, 2010
I'm using actionscript 3.
How will i be able to access a function that is inside a class?
I mean, i would like to call those functions in my main.fla.
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Mar 24, 2011
I have a AS3 MP3 player. The player class controls the play and pause buttons. The playlist class loads the track names into a playlist from XML. In the playlist is a download button. When the download button is pressed, I want the player to pause. I thought I could just _player.pause(); from the playlist class but it doesnt work.How do I access the function in the MP3 player class from the playlist class?I did not make this, I purchased it. I asked the guy who made it for help and he responded back."Normally you will just have to get access to the Mp3Player instance in PlaylistListboxItem class and call pause() on it in evthndlDownload. I guess the easiest way to achieve this is to create a public static instance of a holder class that could be used access the player from wherever in code."
I do not know how to make a public static instance or where to put it. Attached is the 2 AS files. I can send you the zipped source of the whole player in a PM if anyone needs. On line 25 of Mp3PlayerFrontEnd you will see the public class where the player is defined.On line 94 of PlayllistListboxItem you will see the function to download the file. It is from there I want to pause the player.
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May 27, 2011
Current stage:Class 1 - box on right:
Code:
package
{
[code].....
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Dec 15, 2009
I want to a listener on a tween on the document class that when it's finished, it goes to it's child's listener function, but I don't know how. I thought it'd just be a case of document.functionName but it's throwing an error.
[Code]...
1061: Call to a possibly undefined method startFade through a reference with static type Class.
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Jan 31, 2012
I am working on a class for building drop down buttons dynamically. Here is excerpt one of my code (located in the Class constructor):
_button.onRollOver = function()
{
this.gotoAndStop("over");
[code]....
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Jan 21, 2010
I've summarized my issue in the following [code]...
1119: Access of possibly undefined property mc through a reference with static type Class.
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Sep 30, 2010
When I try and access a function in a separate class, I suddenly lose access to all root access in that class.Heres some code.EnemyBase
ActionScript Code:
package
{
[code]....
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Feb 9, 2009
I'm quite confused about how to do it, look at this [code]...
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Jan 15, 2010
Tried to access a function in the document class by simply calling it. For exampe, the code in my frame is:
Code: Select allinitButtons();
And in my document class I have the function:
Code:
Select allprivate function initButtons():void{
trace('anything');
}
But it gives me an error. Even tried to change private to public the same.
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Jun 1, 2006
I have a simple quesiton about class, method and functions inside a method and class properties. I created a new class form my custom component.. But upon developing it I found out that you can not access a property inside the function which is also inside a method..
Example
Code:
class myClass{
private var myProperty:Number = 1; //default is 1
//constructor
public function myClass(){
}//Method
[Code] .....
What I want to do is to access the property inside the method.. I also have a work-around still i cannot point a certain variable to a property of my class inside the method's function..
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Nov 20, 2008
I have a movieClip named MC, and it's enabled with action script, with the class name MC_Rectangle and a Stage.I override the MC_Rectangle class file in a mc_rectangle.as external file.here is the code:
package{
import flash.display.*;
import flash.events.*;[ code].....
I have new a object in the main stage var
mc_rect:MC_Rectangle = new MC_Rectangle()
in main stage:
1. how can i access the variable "sequence" in "mc_rect"
2. how can i pass parametre from main stage to mc_rect via function setSequence(data:int)?
3. how can i call the function in addSequence() in mc_rect.
in asp.net, i usually use mc_rect.sequenct,mc_rect.setSequence(data), mc_rect.addSequence() to achieve my goals......btw, can function in mc_rect return out result to main stage?
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Oct 22, 2011
I am trying to access a function in a loaded swf that has external class.. I would like to avoid having to put the function on my "Main" Doc class in the external swf and instead access the function directly from the class
This is what ive tried so far and it's a no dice:
private function startLoad(){
var loader:Loader = new Loader();
var req:URLRequest = new URLRequest("one.swf");
[Code]....
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Dec 15, 2009
how do use a function from a doc class.... to call a function to work on in
[Code]...
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Apr 8, 2010
I have a initApp.as which instantiates a class which needs to access the "currentState" property and the States array as well. However we cannot get this to work as we cannot see how we can access this information.
Within initApp.as currentState is accessed via "this.currentState". This does not work in the class which is instatiated within initApp.as. The following error is thrown:
"Access of undefined property currentState."
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Nov 24, 2011
I have the following inheritance structure:
var environment:AvEnvironment = new AvEnvironment(...);
addChild(environment);
environment.addChild(new Terrain());
environment.addChild(new Player());
I am trying to access a public property from AvEniroments class through the Player class, however I'm getting an undefined property error (#119). I've tried the following:
this.x = AvEnvironment.xs // public property in this class
this.x = parent.xs
I've also tried something like this:
var ev:AvEnvironment = AvEnvironment(parent);
this.x = ev.xs
but I get a TypeError. Error #1009: Cannot access a property or method of a null object reference.
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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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Jul 2, 2009
I was wondering how do you access the stage property from a different class that's not the principal class tied to the fla? Essentially, I have main.as which calls another class menu.as, and I can't seem to be able to use the stage.stageWidth property from menu.as. What's the proper way to be able to use the stage property from any class? Do I have to import it separately each time?
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Aug 17, 2010
I'm just now learning the new object oriented way of scripting. It's been a wild ride, but I've finally learned how to keep script off my frames (very hard coming from as2).Here's my problem:
I have a TextField on the stage in my main .fla file named loadPercent.
I'm loading a jpg with preLoad.as and displaying the bytes loaded in loadPercent.
I can access my loadPercent TextField from my MainClass
but I can't access it from preLoad.as
the document class is MainClass.as
Code:
package
{
import flash.display.MovieClip;[code]....
I get three '#1120 access of undefined propery' errors for each time i try to access loadPercent.
a few basic questions: 1. all my files are in a folder in my documents, not in the flash directory, is this bad? I've seen people using com.whatever etc.
2. my main .fla file does not share the same name as my MainClass.as (it's not named MainClass.fla) Is that a problem?
I'm assuming these are inconsequential because my code seems to work up to a certain point.
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