ActionScript 3.0 :: Linking A Class To A Symbol
Aug 24, 2009
I have a simple progress bar symbol (ProgBar) in the library of main.fla. If I don't define a class and allow Flash to assign a placeholder class of ProgBar, then the symbol displays ok using progBar = new ProgBar();addChild(progBar); If I define a class, even the basic empty version below, I get the following error: ReferenceError: Error #1056: Cannot create property percent_txt on ProgBar. at flash.display::Sprite/constructChildren() at flash.display::Sprite() at flash.display::MovieClip()
Class code:
package { import flash.display.*; import flash.text.*; public class ProgBar extends MovieClip { public function ProgBar(): void { } }}
percent_txt is a text field I've given an instance name to. If I delete the text field (or its instance name) the error changes to reference the next item in the symbol and so on until there are none left!
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Jul 24, 2011
There is a simple method of linking a symbol to a class in flash cs5 in the gui designer. But how can i do the same thing in actionscript alone using code because iam not using flash cs5. Iam using notepad++ and flex compiler.
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Feb 25, 2010
Im having problems with classpaths. I have used them before with "import" but I'm not able to link a class directly to symbol in the library.
I have a class c:/myfolder/src/myclass.as . In prefernces > AS3 settings, I have c:/myfolder/ as default classpath. I click linkage on the symbol and enter src.myclass . When I click the checkmark, it says 'class not found'. I am able to do: *import src.myclass; and attach the class to an instance on th stage. That works fine, but thats not what I need to do.
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Jan 22, 2011
The use of library classes confuses me once again. I have the following situation:
[Code]....
I cannot put in any baseclass when using the class, so I'm forced to remove the baseclass. When using only the class I get a whole bunch of errors don't make any sense at all, and still appear even if I comment out all the code in the Page class. comop_padpagesFavorietenPage.as:7: 1152: A conflict exists with inherited definition com.op_pad.pages:Page.help in namespace public.
[Code]...
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Dec 9, 2010
Library symbol "Card" is linked to class "Card" which extends "MovieClip". Library symbol "Card" contains a card background image.Library symbol "Ace" is linked to class "Ace", which extends class "Card". Library symbol "Ace" contains a TextField with a big letter "A".So we have Ace extends Card which extends MovieClip. Ace therefore extends MovieClip, but does not DIRECTLY extend MovieClip.When I drop an instance of Ace on the stage and compile the clip, all that shows up is the big letter A. However, I expected the background image from Card to be included, since Ace extends Card, and the Card symbol contains the background.It seems like Flash ignores symbol content unless it belongs to the top-level class being instantiated.I think it's LAME that one symbol can't extend another. The IDE could easily draw Card as a non-editable background while I'm editing Ace which extends it, and it should instantiate Card's content and then Ace's content when an Ace is instantiated.
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Sep 28, 2009
I would like to link a loaded SWF with a particular class at run-time. This is because I would like to have a main SWF with all the code that loads in other SWFs that purely act as graphical skins for the main class. Consequently I would only need to re-export the one file when code needs to be changed rather than have to do a myriad different colour variations (which is what happens currently).
I remember back with ActionScript 1 you could register a class (such as they were) with an exported library item using code rather than just using the library in the Flash IDE (as is the case now).
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Jul 12, 2009
I just want different-looking movieclips to move in the same way so that I will only have to edit one file if I want to change their behavior, instead of copying the class file and renaming each one, and then I would have to edit the builder function name and class name inside each one as well, even though it would do the same thing.
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Feb 24, 2009
Does anyone know if it's possible to link a MovieClip on the stage to a class? I have a MovieClip on the stage called: square_mc and I have this Move class (see attached code). Of course when I set the class linkage of square_mc to the Move class, square_mc moves down the screen, Move is working. But how would I attach the Move class to square_mc at runtime, when it's on the stage?
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Feb 9, 2009
Is there anyway that Actionscript allows multiple symbols to be linked to the same class? This is because the symbols' are diff. in appearance but the same in functionality. It seems a bit redundant to create a new class everytime.
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Feb 13, 2009
Linking class with stage object..
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Feb 24, 2009
Does anyone know if it's possible to link a MovieClip on the stage to a class?
I have a MovieClip on the stage called: square_mc
and I have this Move class (see attached code).
Of course when I set the class linkage of square_mc to the Move class, square_mc moves down the screen, Move is working. But how would I attach the Move class to square_mc at runtime, when it's on the stage?
package {
import flash.display.MovieClip;
import flash.events.Event;
//
[Code]....
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Feb 13, 2009
I've just started using classes while developing my basic platform game in Flash AS3.
On the stage I have a character, instance name 'ball_mc'. I have AS in the time line which controls the characters movements.
I have an external AS file named 'Ground.as' which is basically an ENTERFRAME hittest which stops the character from moving when the character 'hits' the ground.
I have placed a rectangle MC on the stage to represent the ground and linked it to the external AS file 'Ground.as'
The Code for Ground.as is as follows:
package
{
import flash.display.MovieClip;
import flash.events.Event;
[Code]....
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Feb 10, 2011
I'm working on this small project to demonstrate how flash works to a few friends and I am trying to make a small avatar have some animation and upon mouse roll over grow and after removing mouse the avatar will shrink. There is also supposed to be a message displayed over the avatar and upon clicking the avatar the message changes. I have the avatar shrinking/growing thing done and its working fine and I also have the message to be displayed but I cannot seem to link the two into one actionscript file so they both appear at the same time.
Here are the codes:
i) for the avatar shrinking/growing
package { import flash.display.MovieClip;
import flash.events.MouseEvent;
public class U1A3_Stickman extends MovieClip {
private var _origXScale:Number;
[Code] .....
I've tried to simply insert the document class into the flash with the avatar shrink/grow code but it's not working.
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May 12, 2010
I'm quite new to ActionScript and would be grateful for any help here. I want to load text into a dynamic text field (called 'about_tab') using a class depending on the language selected (by clicking on a flag icon) by the user. I managed to get this to work when the ActionScript was written directly in the timeline, but am having problems with doing the same thing via a class.
[Code]...
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Jul 5, 2011
how do i get more than one symbol linked to my class in my SoundClass.as file?
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Feb 13, 2009
I have a class called "playerClass" which I want to create multiple players from. I have made a movie clip symbol called "soldierOrange" and exported it for actionscript. I have also removed it off the stage. I have tried various bits of code to add it to a child and then the stage, read many tutorials but nothing has worked so far.
Here is my code below with the unrelevent code taken out.
Code:
package{
import flash.display.*;
public class playerClass{
[Code]....
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Feb 6, 2010
Im just learning classes and objects.... and read that a movie clip is (or has) a movie clip class... So I'd figure that buttons and graphic symbols also are classes? If yes, why are they called 'symbols' instead of 'classes' by Flash dialog?
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Mar 10, 2011
If I've already specified in the symbol's package which class the symbol's class extends, do I still need to specify the base class in the symbol properties dialog?
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Apr 29, 2011
I'm trying to write a custom class for a library object. for example i have a movieClip in my library and there is a textField in it instance name is textField .
i exported my clip for actionScript and i write class definition like "com.xxx.MyClipClass". it's ok, there is no problem. but when i want to access to textField in MyClipClass like this.textField.text ="abc" i got an error undefined property.
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May 14, 2011
I am making a platforming game for an assignment and I have a problem with this bit of code:
package
{
import flash.display.MovieClip;
public class PlatformTest extends PlatformManager
[Code].....
All platforms are loaded into this class, and there are currently 2 instances within a Level movieclip. It's kept at 2 for seeing if it works purposes. This code basically gets the y values and x values for all sides which is used for collision detection purposes, loads it into an array, and the array number is incremented.
I'm not exactly sure if this method works or not, and I don't even know if every instance of the symbol is being loaded into the array, but is this code right, if not how do I fix it?
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Mar 24, 2009
I am currently develoing a flash game and I am trying to spawn 2 different symbols from a class. I have a Class called 'PLayerClass', which contains a variable called 'hero' which I assign a symbol to. This works fine with 1 symbol but I have no idea or if it is possible to assign a different symbol to the variable 'hero'. The 2 symbols are 'soldierOrange' and 'soldierGrey'. For both of these symbols I have matching classes (ie. soldierOrange.as).soldierOrange.as
Code:
package {
import flash.display.*;
[code].....
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Apr 10, 2009
i have been working on this project. I made a class with a empty blank symbol.
package {
public class imgHold extends MovieClip {
public function imgHold (imgSrc:String)[code]....
I want to be able to add this class on my stage and put in a string in the contructor parameter and the class will display w/e symbol accordingly. How would i make this class link to different symbols depending on the parameter in the contructor?
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Aug 23, 2009
I am trying to create a simple drag and drop Flash program where a user can drag xmas ornaments onto a tree. Instead of being able to drag the ornament once, I want a function so that every time an ornament is clicked on, it adds a new ornament of the same class to the stage where the ornament is clicked. Currently I have this working but there is one problem. It is not dynamic. Looking in the "drag" function, I have chosen the class "Symbol31" as the default ornament that gets added. Instead, I want the ActionScript to read the class of the ornament that was clicked on and to add that class, not "Symbol31" everytime.
Code:
public class DragDrop extends MovieClip
{
private var originalX:Number;
[Code]....
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Jan 9, 2010
i have a MainTimeLine.as Document Class using as3 in flash cs4.it beginning looks like:[code]where the as file is declared in the Document Class of the primary fla file. under this primary fla file, i have a MovieClip symbol which points to another fla file. well this file declares a Class Linkage and i can access the properties and objects of the embedded symbol fine from the MainTimeLine.as script file.however, i have the above public player variable defined, as shown above, in the MainTimeLine.as code.i am having trouble accessing the player properties/methods from the embedded symbol fla file. how do i do that?
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Jun 15, 2011
I'm having an issue using a class I've created as the base class for library symbols: I've created a class AvSkin which will act as the display for an instance of AvChild. It looks like this:
package avian.environment.skins
{
import flash.display.DisplayObject;[code]....
Is there a way around this? I don't want to do either of the following:
Make AvSkin extend MovieClip.
Create a class for my library symbol that extends AvSkin.
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Feb 8, 2012
I am trying to create a dynamic class from a symbol in an embedded swf, basically I need to be able to add arbitrarily named properties for some exciting math, but it appears the only way is to create a dynamic class.
[Bindable]
[Embed(source='ExternalAssets/Assets.swf', symbol="assetName")]
private var AssetNameObject:Class;
[code].....
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Mar 31, 2012
I am having trouble incorporating graphical assets created in Flash with my haXe code.
In the Flash IDE, I've created a symbol with the linkage name "MySprite". I compile this into assets.swf. I know that to use symbols in this .swf from my haXe code, I need to add the following option when using the haxe compiler:
-swf-lib assets.swf
I'd now like to write a class called "MySprite" which is associated with this symbol, like so:
class MySprite extends Sprite {
public function new() {
// ...
}
}
Basically, I'd like to achieve something similar to the technique presented in this tutorial:
package {
import flash.display.*;
[Embed(source="assets.swf", symbol="MySprite")]
[Code]....
It's unclear from the haXe documentation whether this can be done, or what the syntax is for doing it.
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Nov 9, 2009
I have a movieclip library symbol exported for ActionScript with name McFloor and identifier McFloor and I'd like to access it from OneChart class.
[Code]...
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Jun 12, 2009
Can any answer the following questions and maybe point me to a "for dummies" tutorial on 'Classes'. I have the books but they have seemed to disappoint me. Unfortunately I can never ask "why" when reading a book.
1) Does a Class file need to be attached to a library symbol?
2) How do you know what to import?I know this sounds funny but should you always import flash.display.MovieClip? I just want to create a line using a class to begin with and call it from a flash swf with two parameters (start and end).Wouldn't it only need to be a import flash.display.Graphics
3) What is "Base class is final."? Anybody had this error before?[code]
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Sep 6, 2009
i have a fla document with a symbol in the library (which i set Linkage ID). i have also two classes : for example parent and child that parent class in a loop places some child copy on the stage.
how could i send my symbol in the library to the child class (from parent class) properly?
Code:
//in fla document
var myParent:parent = new parent(mysymbol);
//create 7 child
myParent.createchild(7);
i need to have NEW symbol copy in for each child instance.
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