ActionScript 3.0 :: Flash Dynamically Declaring/accessing Objects?
Dec 8, 2010
So heres my code in my main game loop:
Code:
if (! initialized)
{
for (var c = 1; c < 1000; c++)
[Code].....
The error given is "1120: Access of undefined property particle4." However, everything traces correctly, but the individual particles cannot be accessed outside of the loop. Eventually I want to add the next particle at the mouse position on every click, but obviously I can't do that without being able to access the individual particles. I also read about having to use getChildByName() to access names set in AS3, but I haven't been able to get that to work either.
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Mar 17, 2009
If objects are created dynamically in AS3, using code like this:
for (var num:Number = 0; num<10; num++){
var txtFld:TextField = new TextField();
txtFld.text = 'This is the original text';
this.addChild(txtFld);
}
then later, i want to changet the text of one of the TextFields, how can I do that? The only instance listed in the variables is a single instance of "txtFld" and it is the last one that is created. How can I access the others?
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Sep 8, 2009
I have a mc in my library called recentArticlesButton, exported as a movie clipHere's my code:
Code:
public class ABCDEF extends MovieClip {
private var recentArticlesButton:RecentArticlesButton = new RecentArticlesButton;
[code]........
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Mar 7, 2011
Here is what I'm trying to do. I have some TextArea objects inside a HGroup, created in the mxml part. I want them to have an id of an element of a bidimensional Array, a matrix. I'm having problems declaring the TextArea objects as Array components. I've tried a lot of formats and google it, but I found nothing relevant.
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Dec 15, 2009
Is there anyway to dynamically declare tweens? This doesn't work (and I was really hoping it would):
Code:
var tweenArray:Array;
for(var try1:int = 0; try1 <100; try1 ++)
[code].....
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Jan 31, 2011
I am trying to create a function, wherein depending on the numeric value of a certain variable, a particular movieclip is loaded into a holder movie clip.This is how I would want the code to work...excuse the syntax as I am not very familiar with Actionscript 3.
if(count1 == 1){
if(count2 == 2){
holder.addChild("nameofclip"+count1+"secondpartofname"+count2);[code]...
Also, can I create classes dynamically in a similar manner?
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Jul 24, 2010
I have drawn colored rods which I have placed in the library and have put one of each on the stage with instance names likeblueRod_mc, etc.I place them around with time-line code like
blueRod_mc.x = 300.0;I have now created an Actionscript class called Problem.I build a new object from Problem which I have called Riddle.But when I put blueRod_mc.x = 300.0 in a method (of Problem),I get the message that blueRod is not accessible.So I triedstage.blueRod_mc.x = 300.0;That did not work either.
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Jan 15, 2009
I'm working on a flash video player and I'm trying to figure out how to access something inside the constructor that I know is set but it keeps telling me its not.
Here is the code
Select allpackage player {
import flash.display.Sprite;
import flash.media.Video;
import flash.net.NetStream;
import flash.net.NetConnection;
import flash.utils.Timer;
[Code] .....
Now in the metadata function its giving me the error, "Access of undefined property video". Now, am I just completely not understanding how classes work or is this a common problem?
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Mar 11, 2011
i have an issue in accessing stage objects from class files.Here is my code
package
{
import flash.display.MovieClip;
[code].....
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Jan 11, 2012
I am trying to add multiple different versions of the same button to the stage and to be able to access them later on by assigning them an ID. The way I assumed this would be done is to have a class for the button where an internal static variable is defined so that the ID can be found in the next function. This does not seem to be working, as the ID is constantly showing as the last number given, so in this case 6.I assume that I am doing this wrong? Here is my code so you can better understand:
package src {
import flash.display.MovieClip;
import flash.events.*;
[code]......
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Jun 7, 2010
iam in a situation to convert the dynamically created objects( just movieclips which contains boxes,texts etc) in flash using AS3 to .DWG format. i tried converting the flash objects in to SVG format , then tried to open it in Auto Cad , but the texts are not editable in auto Cad;
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Jan 12, 2010
I have a parent SWF (Parent) that handles user navigation between multiple children SWFs (Child_1, Child_2, Child_3). How do I add event listeners to the navigation buttons on the children SWFs so that the user can move laterally between Child_1, Child_2 and Child_3? I can think of two options but can't get either one to work:
1) The parent SWF sets up the event listeners when it loads a child. So, I use a loader on Parent to load Child_1 and in Parent add eventlisteners to Child_1.myNavigationform.myButton.
The problem here is that the Parent is only handing the loader instance and I can't think of how it would drill down to the individual objects within Child_1.
2) Child_1 adds the event listeners to its own objects. This just reverses the problem. Child_1 has no problem accessing its own buttons but when a user clicks them it has no way of accessing methods on parent so that Child_2 can be loaded.
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Jun 12, 2009
I'm relatively new to flash, and just upgraded from Flash 6 to Flash 10. This is a HUGE jump for me, but strangely, I already feel more at home in Fl10 than Fl6, as it is more object oriented, and as a hardened programmer, I like.I'm attempting to create dynamically animated objects in a flash application. I can't think of a way to approach the issue without either a: converting each keyframe into a bitmap, or b: brute-force generating each frame every step of the way.Seeing as my application will have hundreds of the little bastards on the screen at any time, option b is out of the question, I presume.
So, essentially, I have a few questions about AS3:
1) Can a curve be modified after it has been drawn, or must it be cleared, then redrawn each frame?
2) Can a IK chain modify curves, or is it only per-symbol?
3) How fast can flash render complex objects in 3D? (I.E. would drawing hundreds of 400+ poly objects be too much?)
4) How fast can flash draw vector objects? (I.E. would drawing hundreds of creatures made up of dozens of curves be too cumbersome?)
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Nov 10, 2009
I'd like to be able to access some objects which are on the stage before compile time (e.g. in my .fla file). I can do this fine from the document class using the names I've assigned to them, but I need to be able to do this from other classes (instantiated at runtime) too.
What is the best way to go about this? Can I use the stage variable (this isn't looking likely from what I've read so far) somehow? Or do I need to pass in references to these objects from my document class when I create the instances of the class that needs to access them?
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Jan 15, 2009
I'm working on a flash video player and I'm trying to figure out how to access something inside the constructor that I know is set but it keeps telling me its not.
[Code]....
now in the metadata function its giving me the error, "Access of undefined property video" Now, am I just completely not understanding how classes work or is this a common problem?
View 4 Replies
Jan 7, 2012
I want to access an object from a class in which it was not created in. I have a main class (A) in which I create and instantiate an object (of class B), from this class I can obviously do whatever I want with the object, no problem. The issue I'm having is another class (C) needs to access the object in question to change its x and y location values. Class C doesn't know what the instance of class B, created in class A, is; this doesn't surprise me, but I can't figure out how to allow class C to get access to what class A created.
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Sep 19, 2006
Here's my code:
Code:
function loadProjects(loaded){
if(loaded){
projects = this.firstChild.childNodes;
[Code]....
the traces within the function return correct results, however when trace values of the arrays within the function and created by the xml are attempted results are returned 'undefined'.
Why can I not access arrays made in this way from outside of the function?
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Nov 10, 2009
Trying to get from AS2 to AS3 and the simpliest things are taking too long.I have some movieclips on the main timeline named...
btnSm1_mc
btnSm2_mc
btnSm3_mc
[code].....
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Dec 13, 2009
I have a stage with instances of bauble_mcs on it that are attached by the document class of the main timeline (can someone tell me what the right term is here? I don't know what I call the main time line in AS3).
I then have instances of snow_mc attached by the same class. Inside the snow_mc I want to test to see if it is hitting any bauble_mcs but I don't know how!
[Code]...
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Jul 5, 2010
I have a datagrid which has id="myGrid" in my application, from it I call a component. Now from the component I can call parentDocument.myGrid.selectedIndex = 0; and it works fine.But I want to make the component reusable, and I would like to pass the ID to the component each time, so myGrid will change, how to properly send the ID to the component, and use it in the component?
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Aug 26, 2009
have a button on the stage that you called "myButt". Now suppose you want to change its size. You write:myButt._xscale = 25;Now suppose you don't know it's name, but you get the name from another variable:buttname = "myButt";How do you change its size then? in some compiler languages you can expand the string buttname into its value at compile time, with special flagging, such as:
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Sep 15, 2010
So I have a menu built inside of Flash CS4 that has a graphic for a background and five text fields that sit on it for menu options. The whole thing is saved as a movie clip in the library. The text fields all have instance names like infoBtn and mapBtn etc. and the menu is already on the stage and linked to it's own class in the library. My problem is accessing those text fields on the menu from the class. I keep getting "Error #1009: Cannot access a property or method of a null object reference." and the menu doesn't work. But if I trace the infoBtn.text in the class it outputs the text that is in the text field. So the code is accessing it but it's still not working?
Code:
package classes
{
import flash.display.*;
import flash.events.*;
[cODE].....
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Mar 1, 2011
loop run a function to add Objects to fall upon stage, how do i have my function access random objects within an Array to replaced Platform1
function addPlatform1(){
var p:Platform1 = new Platform1();
stage.addChild(p);
[Code]....
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Dec 15, 2009
I'm a seasoned AS2 developer who's been dragged kicking and screaming into the world of ActionScript 3.0. I'm working on revising an old project coded in AS2 that needs to be re-coded in AS3 and It's been slow going. I have a question regarding addChild (attachMovie) function. My scenario is as follows: I'm pulling data from an XML file that dynamically builds a scroll list from items in the library. Each item in the list has an individual button function attached to it. I'm generating my list just fine, but I can't access the items as individual buttons. Instead, it seems that the entire list has the properties of the last child added.
[Code]...
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Jan 14, 2008
I have a movie clip on my scene with a number of objects all prefixed with a keyword 'build' (e.g. 'build8934', 'build4920') - is there any method, array or object that I can access that would give me access to a list of objects for that movie clip?I'm intending to loop through an add events to an instance which matches the prefix 'build' and set additional properties based off that instance.x.
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May 4, 2009
I have (may be a simple solution needed) a problem with a class I've wrote. I've wrote a class named Navigation [URL] and in there I make all the buttons for the navigation. Next to that I have a Ipage class [URL] and in there I have all the pages stored. When I click on a button, the Navigation Class is called and tries to access the public function ChangePage in the Ipage class. In the ChangePage function I trace if the function is called and the trace comes back. So it works... BUT if I want to access another object it's not working. I can't even set sprites on visible = false.
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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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Jan 18, 2011
I'm currently working on a game. I'm breaking down each piece of the game into individual classes and movieclips. The intro begins by going to the main menu which is a MC in my fla library. This is called through the document class. then all actions the main menu MC performs are commanded through the MainMenu class. When starting the actual game, MainMenu calls a function from the document class, after it is removed from the stage, that puts an empty movieclip called Level on the stage.
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Sep 11, 2009
So for my main timeline:
var lightBox:mc_lightbox = new mc_lightbox();
lightBox.x = 300;
lightBox.y = 200;
addChild(lightBox);
I get a lightbox up on the screen, within the lightbox is some more script, there are three menu options for that new window. So far when you click on it the loading part comes up just fine but whenever I have it go to another scene it leaves behind the lightbox above. I'm able to removeChild(loading) because its right there just a function above but I'm unable to removeChild(lightBox) because it's one up. How can I access that child? I tried many variations of parent, MovieClip, and root relationships but still couldn't get flash to find it.
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Apr 26, 2010
I'm trying to access a MovieClip object in a SuperClass from a SubClass. The only way I can tell this is possible is through an event dispatch, but I'm dealing with a preloader and a loaded external SWF. So I can't make an instance of the "not yet loaded" classes because I'll get errors. Furthermore, the objects in both SWF need to be controlled in sync.
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