ActionScript 3.0 :: Accessing Stage Items While Main Class Inheritance?
May 5, 2011
I've made it this way1. I made clip and it's main class (eg. timeline.as) - at this point it works2. I put code from main class to another class (eg. timeline_template.as) and in main class (timeline.as) I inherit it by :public dynamic class timeline extends timeline_template {3. I added stage items declarations in timeline_template.as because without that any code couldn't reach target an I got 1120: Access of undefined property xxx after these steps whole clip works but items on stage ( buttons, etc. ) are not affected by code. That's logical because code references to properties declared in timeline_template but not in timeline.fla. But how to get around that - I need several usage of timeline_template and I would like to avoid code redundancy
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Oct 12, 2011
I'm pretty new to fully using class's for my programming (in-frame scripting satisfied me for a while). I am having a problem accessing the properties of a class from another class. The first class (I'll call it controller) receives a reference to an object of another class (I'll call it display). Display have several specialized subclass (I'll call one SequencedDisplay). SequencedDisplay has a timer in it that I need to access:
[Code]...
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Apr 13, 2010
I wanted to remove an event listener from main class stage, but i get the error 1120: Access of undefined property stage. How do I actually access the stage?
custom class:
import main;
main.disableVcam();
main class:
public static function disableVcam():void {
trace("disable");
stage.removeEventListener(MouseEvent.MOUSE_MOVE, movevC);
}
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Oct 26, 2009
my movie is linked to an external class called game, and in the game cosntructor I am trying to access instances on my stage. I have tried MovieClip(root).instancename, root.instancename and even tried adding an event listener to listen when the movie is done loading because I thought maybe it was because the instances on the stage weren't created before the constructor is ran. This is the main class, shouldn't it be easy?
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May 14, 2011
- I have A.fla.
- A.fla includes buttons, movie clips and also B.swf is loaded in A.fla using a LOADER
- i want to access elements in A.fla, from the actionscript codes inside B.fla to modify those movie clips and buttons based on actions going on in B.swf
for instance, lets say there is a button X in A.fla, and there is a button Y in B.fla, B.swf is loaded into A.fla, and I want the button Y to erase button X when clicked.
general question: accessing elements in a stage, through a SWF file loaded into that stage.
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May 3, 2010
I've been running circles around this preloader I have for days now. There's a number of problems, but the main one I can't seem to figure out is how to retrieve a library asset from an external class that's not the document class.I have a Preloader_mc class in the library. But the Document.as class doesn't need it really. I only need it once I instance the actually Loading.as class. So I'm trying to access it from the Loading.as and I'm not getting anywhere.I also gave up by instancing it in the Document.as and then referencing it by:
Code:
Master.preloader_mc
or
Code:
Master(root).preloader_mc
Static or not, I just wanted access to the thing for once. Which worked until I had to remove it from the Loading.as. Then it wouldn't budge no matter what I typed.
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Apr 7, 2011
From within a movie clip, I'm trying to update variables on my main timeline. I tried both _parent.variablename and _root.variablename, but neither worked.
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Dec 2, 2010
How can I call a MC from a class other than my main. I am making a side scroller and I when the player hits certain parts of the level I want the floor to fall out from under him (think Mario). I created a new class to attach to the different MC of the floor but I cant figure out how to access the player MC from the class. The MC name is playerMC that was exported for actionscript, and the instance name is player_mc. This is the class.
[Code]....
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Jan 6, 2011
I have created a class, call it Class1, that has various objects drawn on the stage (drawn in the IDE). It also has a function, called setColour, for changing the colour of those objects. The function works fine if I call it from within Class1.
Now I have another class, call it testClass1, that imports Class1 and calls the setColour function. First of all, none of the stage objects from Class1 are visible. Secondly, when setColour tries to modify the colour of an object, I get the error:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
This is the code for testClass1:
ActionScript Code:
package
{
import flash.display.*;
[Code].....
So, what is the problem? Is it possible to change objects that are drawn on the stage of an imported class?
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Dec 20, 2010
I have a class, the relevant parts of which are defined as follows:
class myClass extends MovieClip {
public function myfunc() {
trace( "mainVar: " + _root.mainVar );
}
}
As you can see, I want to access the variable "mainVar", which exists in the main movie, from within the class. This works fine, if I have only one instance of the class. But, if I have more than one instance, within separate movie clips, the value of mainVar is always taken from the first instance. How do I refer to the actual instance from within the class?
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Jun 2, 2011
Here's my main class:
Code:
package
{
import flash.external.ExternalInterface;
[Code]....
Basically the class waits for the callback variable (my_msg). The problem is: I need to set the dynamic textbox text to my_msg variable.
How can I access it? I know I can access a public var in the timeline with functioname.variable but I can't define a public var inside a function, right?
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May 18, 2010
I'm was getting good with as2 but recently made the mind switch from, I'll learn as3 tomorrow to as3 is awesome. The problem for me is that I don't understand the scope for classes. I know I can trace a variable on the main time line when the var is declared in the class. But how do you access a main time line var from a class? Here's an example - main time line Monkey.fla
Code:
var cagedMonkies:int = 10;
var monkeyTransport:MovieClip = new CarTrunk();
[Code]....
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Jul 3, 2009
I'm being really dumb today and I know this should be simple.....How do i access the stage from a class which isn't the Document Class? For instance, I want to create a tween which takes in the parameters of the stage's width? So I've written.....
ActionScript Code:
var myTweenX:Tween = new Tween(this, "x", Regular.easeOut, this.x, stage.stageWidth, 60, true);
[code].....
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Feb 16, 2011
I have a MovieClip, that I'm going to add to the display list with my document class at runtime beacuase there will be many instances of it. The MoviClip "box" has 3 more MovieClip instances inside it,and each of those three have two more.It looks like this:
box
circle 0
oval0
oval1
[code]....
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Jun 2, 2011
Here's my main class:
[code]...
in the timeline I have a dynamic text box named my_textbox: var my_test:main = new main(); my_test.check_DVBViewer(); my_textbox.text = ??Basically the class waits for the callback variable (my_msg). The problem is: I need to set the dynamic textbox text to my_msg variable. How can I access it? I know I can access a public var in the timeline with functioname.variable but I can't define a public var inside a function, right?
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Jul 3, 2009
How do i access the stage from a class which isn't the Document Class? For instance, I want to create a tween which takes in the parameters of the stage's width?[code]
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Feb 4, 2009
I want to rearrange an item on stage when the visitor changes the browser size. The item is initiated in an external class G94Menu:
ActionScript Code:
public function addItem(item:MenuItem):void
{
item.y = (item.height + _spacing) * _items.length;
[code]....
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Apr 8, 2009
I seem to have a problem with accessing MC on stage. For example, if in my class I try to do something like this:
back_next_nav.alpha = .3;
I get the error: 1120: Access of undefined property back_next_nav.
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Dec 19, 2010
I have a main document class with another class instanciated (mouse follower.as) within it. I want the mouse follower class to access a stage instance. How is this done?
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Aug 3, 2009
im still trying to get into the whole oop thing but I still have some things that i dont understand.I have a movieclip on stage that i want to access using an external class that lives in a different folder.Is there a way to access movieclips on stage from external classes or that i have to create a connection between the document class and then send the movieclip instance using a class method ?
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Feb 7, 2012
I need to set properties of buttons on the main stage from the current class. How would I do this?
I have multiple buttons on my stage. Each representing a chapter in a movie (from frame x to frame y of the movie).
When I push one of them, the movie plays. When it gets to the end, it should continue to the next segment/chapter. This works, but now I need to highlight the current button, not let the button I pressed be highlighted forever..
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Jun 14, 2007
access one instance of a MovieClip on the stage (blue_mc) from within the class file of another MovieClip (red_mc).e.g. One instance of "Blue" on the stage called "blue_mc", and one instance of "Red" on the stage called "red_mc". Both symbols are linked to class files (Blue.as and Red.as).In Red.as, I set up a function to listen for a mouse down event. When this is triggered, I want to move the instance blue_mc. At the moment, though, I can't seem to get a reference to blue_mc.I've looked into the new stage and root properties, but even though blue_mc is on the stage, it cannot be accessed using stage.getChildByName( "blue_mc" ) either.
Code for Red.as:
Code:
package {
import flash.display.MovieClip;
import flash.events.MouseEvent;
[code]....
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Aug 29, 2009
I am trying to access the x and y properties of the stage so I can set an objects' x and y properties to place it on the center of the stage:
this.x=stage.stageWidth/2;
this.y=stage.stageHeight/2;
The call to instantiate the object(*.fla):
[code]......
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Feb 5, 2010
When I debug this, it gives me an error saying that it cannot access the stage because it's a null property.
ActionScript Code:
package {
import flash.display.MovieClip;
import flash.display.Stage;
import flash.text.TextField;
import flash.events.Event;
[Code] .....
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Feb 28, 2012
I am trying to access a property that belongs to the stage, from a class. For example, let's say I add a textfield with an instance name of "magic_txt" on the stage. In the Document Class, I am able to access magic_txt and update the field like so:
magic_txt.text = "Magic Text"
However, since I would like to work in classes, I am having a difficult time figuring out how to access the property "magic_txt.text" from a class. I know I need a reference, but I am unsure how to set this reference.
I am coming from a strong background in Visual Basic, and in Visual Basic, the way to access a form property is to call the form name (dot) object. In actionscript, it doesn't seem to be as simple.
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Mar 3, 2009
I have a class and the class must adapt itself whenever the stage resizes.
Now something could look like this, but it won't work:
Code:
package {
import flash.events.Event;
public class ResizeClass {
[Code]....
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Apr 11, 2009
1.I have a MovieClip in the Library. There is a named and dynamic text box in the MovieClip. In Frame 1 of the .fla, I construct the MovieClip from the class StatusBoard and add it to the stage. There is one setStatus method in the class to set the text. This works fine.[code]
2.I have a bunch of buttons that I created from a class called LinkButton.as (they are MovieClips, not _btn buttons). FWIW, they are attached to other MovieClips, but they work fine. The trace output is fine. What I am trying to do is have the rollover change the text in the billboard.[code]
3. In lay terms, I used addChild to add a MovieClip with a dynamic TextField to the stagw and I want MovieClip buttons created from an .as class to be able to change the text on a rollover.What I can't seem to do is actually reference the billboard that I added using addChild from the .fla.The buttons work and trace the desired text, I can't seem to send that text to the billboard.
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Aug 20, 2009
I am trying to learn how classes can interact with each other and I came across a problem I can't solve. On my stage I have a MovieClip called "myMovieClip".
[Code]...
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Apr 30, 2010
I have drawn a box on stage and turned it into a movieclip called sidePanel, within it I place a checkbox. My document class 'Main.as', ie the class called upon by the flash file, creates a class of name Class1. So we have .FLA (The Stage) -> Main.as -> Class1.as Now from the Class1.as How to get the checkbox status, ie checked or not, from within my class1.as ?
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Feb 9, 2010
say that i have a base class called Base, that is Bindable and has a String property like this:
[Bindable]
public class Base
{
public var msg:String;
[Code]......
where msg is some textInput field. I am getting a message from the compiler that....
Data binding will not be able to detect assignments to "msg"
is there a limitation with data binding to a base class?
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