ActionScript 3.0 :: Looping Through Instances Of A Particular Object?
Nov 16, 2009
Is there any method to looping through instances of an object that are present on the stage/(or in a given container)?For the moment, I am creating a dice program (which allows the user to generate different dice) and I want to be able to roll all the dice at the click of a button.Right now the dice are added to a dynamic list, but I wanted to be able to loop through the "Dice" class instances on the stage so I didn't have to keep track of instance names or removing/adding/updating an array of the instances.
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Similar Posts:
Jul 12, 2010
I'm trying to duplicate custom MovieClip instances from the library in a document class.Here is my code:
package { import flash.display.MovieClip; import flash.display.Stage; import flash.events.*; import flash.net.*; import com.greensock.*; import com.greensock.easing.*; import
[code]......
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Jun 29, 2009
Im Have a function which is called after n ms and in this function I have code to change a movieclip to visible. I have 10 different movieclips with instances named n1, n2, n3 etc So everytime I call this function I want the next movieclip made visible.
So the code I'v been trying to use is this -
ActionScript Code:
function startNoFX(eventArgs:TimerEvent){
i++;
n+i.visible = true;// where i will corespon to the number giving n1, n2 etc
}
Im sure I'v seen something similar like this done before, I know I could write code for each individual Movieclip but I want to keep it tight.
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May 4, 2009
In AS2 - it was possible to declare a for in loop to trace out all of a movieclip's child instances like this:
Code: Select allfor(item in my_mc){
trace(item);
}
[code]....
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Jul 31, 2009
Lets, say I need to show loop for object with different instance. Is it possible ?
var myObj1:Sprite=new Sprite();
var myObj2:Sprite=new Sprite();
var myObj3:Sprite=new Sprite();
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Aug 14, 2009
For exmple in php you can do this
[Code]...
But how can i get keys at the same time as in php so that i now that key1 is referencing val1
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Jul 3, 2010
Why can't I loop through an event object that is handed as an argument to a handler function?
ActionScript Code:
myObject.addEventListener(MouseEvent.MOUSE_DOWN, myMouseEvent)
function myMouseEvent (event:MouseEvent){
trace ('event is ' + typeof (event));
[Code]......
The event argument is classed as an 'object' but it doesn't seem to act like an object...
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Jan 4, 2011
I have an object that I'm creating as such:
ActionScript Code:
public static var places:Object = new Object();
places["MyHouse"] = ["My House", new Point(PointX,PointY)]
places["YourHouse"] = ["Your House", new Point(PointX,PointY)]
[Code].....
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May 5, 2008
Code:
pic[
{
clip2:{
[Code].....
i load this data from an xml and need to place the images in stage according to details given.i convert the xml to an object so its convenient.
now i need to loop through this data (properties of the pic object) and load each image and set their properties.
how to loop through the properties as there can be any number of them. here you get 3 (clips0,texts1,clips2)..
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Feb 16, 2012
I have a number of instances of a library object placed directly onto the stage (I don't want to have the code create them since they have to be positioned and scaled individually) want to be able to find all the instances in actionscript and assign them to an array. How do I do that? I think getDefinitionByName is what I need but I can't figure out how to get it to do that.
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Feb 22, 2012
I'm having trouble creating instances of an object, I want a random number to be generated and then based on the number which was choosen create an instance of an object in one of four positions.The problem I'm having is, my instances are generated fine but there is one that keeps jumping to x 0 and y 0.[code]
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Jun 2, 2009
In MXML it's possible to declare object instances, even for dynamic objects, [code]...
Is it possible to do the same with the Dictionary class without using some MXML wrapper class?
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Jun 1, 2009
referencing instances of an object in AS3
I want to be able to build a navigation and reference each navigation item separately changing each instances properties depending on rollover actions etc.
I would have thought that once the name is assigned through the for loop that would stick, eg. the following code would create 3 vars called navItem, each with the name 0, 1, 2. But it seems if I trace the name outside of the for loop each is called 2. I think Im misunderstanding something really simple!
public function buildNav():void {
for (var i=0; i <itemNum; i++){
var navItem:NavItem = new NavItem ();
[Code]....
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Aug 7, 2009
Actionscript 3.0 looping through stage and DisplayObject items. I'm trying to convert to Actionscript 3.0 and I'm trying to find out how to loop through Stage objects as well as DisplayObject.
With AS 2.0 - I would only have to do:
for(var i in _root) // or MovieClip, this, etc { trace("i: " + i + " [i]: " + _root.[i]);}
In AS 3.0 I found this equivalent which works w/ some objects:
public function debug_object(o:Object, show_all:Boolean):void {
import flash.utils.*; var def:XML = describeType(o);
var props:XMLList = def..variable.@name; if(show_all)
props += def..accessor.@name;
for each (var prop:String in props) {
trace(prop + ": " + o[prop]); }}
this.showChildren(Stage);
This kind of works but the o[prop] always traces undefined and it's not showing any movieClips on the stage. I would like to be able to have the debug object function be able to take Stage and DisplayObject arguments like such:
this.debug_object(Stage, true);
this.debug_object(flash.display.DisplayObject, true);
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Apr 22, 2010
I have a dynamic class that I have created
public dynamic class SiteZoneFileUploadVO
{
public var destination:String = "sitezone";[code]...........
when I try to iterate over this object's property names it only iterates the dynamically added properties.
parameters.dynVar= "value";
for(var name:String in parameters)
{
Even though the object has all the properties equal to a value (ive checked this in the debugger) the only property name that will be traced is dynVar.How can I iterate over all the property names and not just the dynamically added ones?
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Sep 16, 2010
I'm currently trying to load images and a few other nodes from an xml file.Once the xml file is loaded i determine the number of nodes in the file...create a loop which assigns each node into an array. My intentions are to create a image gallery which loads a dynamic amount of images. My problem now is i cannot figure out how to loop the loader component. Heres my code so far - (i'm thinking an object might work but not sure how to implement it)
Code:
var xmlLoader:URLLoader = new URLLoader();
var xmlData:XML = new XML();
var xmlUrl:String = "slides.xml";
[code]....
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Oct 14, 2011
I've attached a zip with a few custom classes and a .FLA. Ignore the custom classes. I'm getting repeated
"Error #1009: Cannot access a property or method of a null object reference. at Environment_fla::MainTimeline/hitTest()".
I understand that this error means I'm asking it to reference something that's no longer there. How better to hitTest many objects in an array. My game involves creating a bunch of balls that will fall into buckets. I need to keep track of how many touched the buckets, how many fell off the screen, and remove each accordingly.
Here is the code from my main FLA
ActionScript Code:
var ballTimer:Timer = new Timer(200);
var changeTimer:Timer = new Timer(50000);
ballTimer.addEventListener(TimerEvent.TIMER, throwBall, false, 0, true);
ballTimer.start();
changeTimer.addEventListener(TimerEvent.TIMER, changeColor);
changeTimer.start();
[Code] .....
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Jan 15, 2008
I'm trying to loop through each of the arrays stored in a Shared Object and place the individual array items inside rows of textfields. This isn't quite working - it fills all the text fields with the last data array only:
Code:
var elemSharedObject:SharedObject = SharedObject.getLocal("elementChoices", "/");
//Load data into fields
for (var prop in elemSharedObject.data) {
[Code]....
I need a way to increment "elemSharedObject.data[prop]" after it's filled each successive row of textfields.
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Oct 21, 2010
Here's a piece of script I would like to condense into a single loop where the number of instances created would be dynamic:
Actionscript Code:
//create instances of Door objectvar door_1:Door = new Door();var door_2:Door = new Door();var door_3:Door = new Door();var door_4:Door = new Door();var door_5:Door = new
[code]....
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Jun 30, 2009
My project downloads an array from a MySQL server that has URLs for pictures in it. Part of my script then downloads these pictures and splices the array (removing the URL and replacing it with the bitmap). Now i need to use those bitmaps on the stage but i need two instances of the same bitmap at the same time, and it seems like flash is having a problem with this.
How do i create two instances of the same array bitmap?
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Jan 7, 2010
I have created a new class, that is basicly just a movieclip but with a builtin eventlistener. When I add a few instances of this class to the stage, they all have the eventlistener. But later on when i remove the intances from the stage and null the references, Will the eventlistener still exist or will it be removed by the GC ?
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Nov 21, 2011
I hate it when I'm converting someone else's AS2 project to AS3, and there's code buried on an onstage instance somewhere, which gives me the warning:"Actions on button or MovieClip instances are not supported in ActionScript 3.0. All scripts on object instances will be ignored."
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Apr 11, 2012
I have a problem in ActionScript 3 with a project where I am to output a bunch of data in a diagram and as pure text. This is not the problem, though. The problem is that when the user changes the type of data he wants shown. I would then remove the currently shown columns in the diagram, and add new ones. But my code removes ALL columns, so that there is no diagram at all!
I've done it all in Flash CS5, and the columns are instances of an object I made (a rectangle) which I just add to the stage. All the instances are added to the container "container." When I want to remove them, and add new ones I use:
var container = new Sprite(); // The container for my diagram
function emptyContainer() {
if (container.numChildren > 0) {
[Code]...
I wonder where to place my function for removing all children, to remove just those children that were added earlier. To matter where I place the function (at the start of fChange, at the beginning of each case) there is NO diagram shown, either new or old.
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Feb 5, 2010
i am creating a certain amount of instances of a class-object (called Jaar).When i click on one of them, I would like to change a value (isSelected) in all the instances of this class.How can i do this?So far i have this (simplified version) :
ActionScript Code:
package{
import flash.display.*;
[code].....
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Sep 28, 2010
It has been a while since I worked with flash and I am picking up AS 3.0 now. I have this project that should load jpegs from a server. I found that properties like x,y position etc are accesible through the loader object and that you can add a click event to it. Let's say I want to display a list of jpegs in thumbnail format, when the user clicks on it, it should show a full size version. I am not sure what the best approach is to achieve this as I assume that when using the same loader object to download all images the click event will reference the last downloaded image, correct? Should I create a seperate class for all of this and load all images by instantiating this class for each image or is there an easier approach?
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Dec 25, 2009
I'v been toying with this for a few weeks now and I'm trying to find the best way to animate several instances of an object created by a for loop thru an ENTER_FRAME function.When the function runs only 1 of the 3 instances that were created animates.
var balloonArray:Array = new Array();var balloon: hotAirBalloon;var xVel: Number = -3;var yVel: Number = -4;
addEventListener(Event.ENTER_FRAME, startBalloons)
[code]....
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Jan 31, 2010
Ive gone through the Object-Oriented Scrollbar tutorial on [URL]. Its working great and I have multiple buttons inside of the moveclip it lives within. The problem occurs when I create another one on the same page. I have put one on frame 1 and the other on frame 5 so that I can select a 'category' and the scrollbar movieclip changes to the relevant buttons.Ive duplicated the movie clips and changed the instances accordingly. I keep getting these errors in the Output panel when playing my swf;TypeError: Error #1009: Cannot access a property or method of a null object reference. at as3_movieplayer_fla::MainTimeline/frame1()and when I click the like to the second category it comes up with this error;TypeError: Error #1009: Cannot access a property or method of a null object reference. at as3_movieplayer_fla::scrollbox_1/thumbUp()Not really sure what im doing wrong - or even what these mean!Here is the code from my main actions layer;
stop();//buttonsbtn_advertising.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler);function mouseDownHandler(event:MouseEvent):void { gotoAndStop(1);}btn_corporate.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler2);function mouseDownHandler2(event:MouseEvent):void { gotoAndStop(5);}//video player scriptfunction
[code]....
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Jan 6, 2012
how to make an Object-Oriented Scrollbar. Its working great and I have multiple buttons inside of the moveclip it lives within. The problem occurs when I create another one on the same page. I have put one on frame 1 and the other on frame 5 so that I can select a 'category' and the scrollbar movieclip changes to the relevant buttons.Ive duplicated the movie clips and changed the instances accordingly. I keep getting these errors in the Output panel when playing my swf;
TypeError: Error #1009: Cannot access a property or method of a null object reference.at as3_movieplayer_fla::MainTimeline/frame1() and when I click the like to the second category it comes up with this error; TypeError: Error #1009: Cannot access a property or method of a null object reference. at as3_movieplayer_fla::scrollbox_1/thumbUp()
Here is the code from my main actions layer;
Code: Select allstop();
//buttons
btn_advertising.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler);
[code]....
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Mar 16, 2009
Exactly this doesn't work but is there a way to do it?
Code:
for ( var i = 0; i < 10; i++ )
{
var ["object"+i]:MyClass = new MyClass();
// would create object1, object2, object 3, object 4, ...
}
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Dec 13, 2010
i would like to place various instances of the same library object on the stage.
the different instances (0,1,2,...) are meant to be containers for their individual content. hence, each instance (0,1,2,...) is one container and each containter embeds different placeholders (textfields- and image-instances) in itself.
[Code].....
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