ActionScript 3.0 :: Can Subclass Target Other Objects?
Feb 23, 2009
I have my main.swf which has class of Main.as which control everything.Then in main.swf I have 3 movieclips that acts as a button and they share a class of Button.as which controsl all the button functions btn1, btn2,bt3 are all place on stage and in Main.as I control their positions.When you click on a btn, it moves to a new location at the same time the other 2 btns will move as well.I can get the target btn that's been click to move just fine, but I can't get the other 2 btns to move and they all share the same class. I know this probably has to do with a targetting issue... I think. Is there a way I can make the connection in same Button.as class file? Or do I use like some global event dispatch?
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Jan 12, 2012
I create a Sprite in a subclass, add it to the stage. Now I need to target it from another class, but I am going wrong somewhere. This is shorten code, so hope I did not delete some important parts. But you should be able to follow the basic structure.
Main class:
package myClasses
{
import flash.display.Sprite;
import flash.display.Stage;
[code]...
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Sep 21, 2011
I'm currently having some trouble with referencing objects that turn out null on export. Basically I want the Document Class to run the code of another class that is the class of a MovieClip without having Error 1009 popping up everywhere in my output panel.
[Code]...
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Oct 18, 2010
so i'm working mostly in a main class file. up until now subclasses (or the class for objects that i'm using in my game) have really only contained methods that controlled property values, and properties. however, i'm now interested in making an enemy in my game, but doing almost all the code for the enemy in the class file. i need to figure out how to communicate and check the object instance of the class against an object instance being controlled by the main class.
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May 1, 2011
Can I access a static variable of a subClass' subClass? I don't want to instantiate it, just looking to get the variable because it has already been initialized by the subClass.example:
package
{
public class A extends MovieClip {
private var classB:B = new B();
[code]....
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Jul 31, 2009
I want to set the scaleX and scaleY of certain child objects within a movieclip, but there are tons of other elements inside of it. Here's what I have so far:
for (var i:uint = 0; i < outer_mc.numChildren; i++) {
trace(' | ' +i+'. name:' + timeline_mc.getChildAt(i).name);
}
This returns 60 child objects. The 50 I want to scale down have "_mc" appended to their instance name. I figure I should make a new array or variable and set the scale of those to whatever I want.
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Apr 23, 2010
I have an array with 3 objects and added a click event to them, when clicked the 3 objects move 200 pixels down, but i would like to become that the objects that werent pushed get an alpha of 0.5
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Jun 15, 2009
i have creating an image gallery of sorts. I have loaded my thumbnails through an xml like so:
Code:
function loadThumbs(){
for (var i = 0; i < totalElements; i++){
var thumb_url = elements[i].@thumbSrc;
trace("totalElements: " + totalElements);
[code]....
now i want to have it so that when u click a thumb, it re-layers them. I am able to get the one u click to the front of the order, but how can i tell the others to layer as i want? I guess the problem is that I cannot use the name of the display object and i can't user image_loader to setChildIndex with.
Code:
function replaceElementAndMoveThumb(event:MouseEvent):void{
setChildIndex(event.currentTarget, numChildren - 1);
trace(event.currentTarget);
}
I am thinking that in AS2 I would use the movieclip instance name, but don't think this works in AS3.
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Sep 3, 2009
I am learning AS3, and I am trying to understand how to target dynamically created objectsI have the code:
Code:
for (var i:Number = 0; i<5; i++) {
var boton:CreateButton(stage.stageWidth/5,30,0,1,colors[i],test,0xFFFFFF,"English");
[code].....
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Feb 9, 2010
I have been trying forever to figure out how to add multiple mc's (images) with different instance names to 1 target only (another image). All of the mc's and the target are placed on the same layer. All I want it to do is snap different images to the same target. I have tried placing the target on a seperate layer but it does not work either.
Here is the code:
ActionScript Code:
cat_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
cat_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
dog_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
[code]....
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Sep 14, 2009
I have been working with a very simple tutorial over at [URL], where you drag objects onto a target movieClip. My question is this, how do you target a movieClip inside a movie clip? What I have are 4 color squares that I want to drag and drop onto a pattern_mc. I put the target mc's with in the pattern_mc. In the tutorial the target mc's are not in a movie clip. I put my target mc's in a movieClip because I want to use the pattern_mc as a material, and I thought this was the correct way to this.
Code:
//record objects starting position
var startX:Number;
var startY:Number;
//activate objects to be moved
square1mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
square1mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
[Code] .....
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Apr 1, 2011
With some excellent help from ilike2 I was able to import random objects from a library that can then be dragged to their respective targets (on repeat). However, I forgot to mention that I need to drag more than one of these objects onto the same target and I don't know how to change the actionscript to accommodate this. Would anyone be able to help me with this? In the example below I would also like Blue2 to target targetBlue_mc Here is the code:
[Code]...
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Oct 30, 2010
I am trying to make a quiz on metals. I have several elements which i want to fall into multiple target areas (e.g. the target areas are shaded grey in the following swf; metal_mc, nonmetal_mc, metalloid_mc). I can make individuals match to target areas (as there are tutorials for that) but i want each one to be able to slide in to any target area (and someday i want to create a solve button which will then place each element in the correct place). have started all over and have designated only chlorine to move (for the moment) but how do i code it to allow it to fall into any of the grey areas?
var objectoriginalX:Number;var objectoriginalY:Number;chlorine_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);chlorine_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);function
[code].....
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May 16, 2011
I want to create an interactive learning module that would use a simple drag and drop test. I've already browsed the net for guides and it led me to monkeyflash.com that gave me a very helpful guide. On the guide, there can only be one object be dragged to a target. But then, I wanted my test to have multiple objects (movie clips) be dropped on a single target (also a movie clip) only and stick to it. I'm thinking that I could place my draggable objects on an array, but I really had difficulty on executing this.
On the code below, a drag object can only be placed on one target only (i.e dragIn1 can only be dropped on targetdragIn1 but not on targetdragIn2). Yet, I want all dragAt objects be dragged on all targetAt, dragIn with targetIn, and dragOn with targetOn.
[Code]...
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Jul 24, 2009
I'm creating a simple drawing application that adds new Shape objects to a MovieClip "canvas" every time the user clicks and drags. The problem is, I'm noticing that even though the MouseEvent listeners are set to the MovieClip, the child Shape objects are being returned as targets as well. This disrupts the localX and localY as well, causing the drawing cursor to jump around as the coordinates change from being local to the entire MovieClip to local to the Shape the mouse is currently over.Is there any way to retrieve the most parental target from a MouseEvent?
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Nov 30, 2009
I am working on a simple "Drag and Drop" deal and I have encountered an interesting bug that I can't seem to track down. When testing the movie, the FIRST TIME you click and drag any of the objects (black circles in this case) to their target (the big rectangle), all is well. However upon dragging them OUT of the target area, the object appears to "fight back" against being dragged. I am fairly new to Actionscript and can't seem to find the answer for this one elsewhere. I'm going to apologize in advance for the messy script.
[Code]...
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May 2, 2011
The following doesn't work (although it gives no explicit error), but why not?nd... Is there really no way around it, strictly using the with statement? Forget using for / foreach.
with (object1, object2) {
attribute = value;
method();
}
Why the code above gives no syntax error, doesn't work but is accepted by with?If it's possible, how could we change multiple objects with same attribute using with?
var object1 = { attribute: 3 };
var object2 = { attribute: 2, method: function() { alert('blah'); } };
var object3 = { method: function() {alert('bleh'); } };
[code]....
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Sep 10, 2009
im creating a small drag and drop game in AS3-
I have 4 objects and 4 targets,
I want to be able to drag any of the 4 objects onto any of the targets, right now all I can manage is to allow each object drop onto one specific target only.
I thought by calling all my target names by the same instance name eg target_mc that would work but only one target will ever work.
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Sep 29, 2003
On the attached exercise, is it possible to stop further items being dragged onto a target when the target box is full?
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Nov 28, 2011
What is the difference between target and currenttarget in flex?What is the difference between Target and Current Target in Flex especially in mouse events.
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Aug 30, 2010
qi have a movieclip which is added to the stage:
var profileholder:profileHolder=new profileHolder ;
inside of profileholder is another movieclip(infoBtn) that acts as a button.when the mouse is over profileholder i want to do something with infoBtn like:
//profOver is the over state of profileholder
function profOver(e:Event) {
e.target.infoBtn.alpha=1;
}
this doesn't work and brings up this error:ReferenceError: Error #1069: Property infoBtn not found on flash.display.Loader and there is no default value.
at main_fla::MainTimeline/profOver()
i also tried:
function profOver(e:Event) {
var item:profileHolder=e.target as profileHolder;
item.infoBtn.alpha=1;
}
and get this error:TypeError: Error #1009: Cannot access a property or method of a null object reference.
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Jul 14, 2010
I have a document class and a subclass. In the subclass I have a trace. I've done this dozens of times before.I've checked everything and I'm stumped. I can't for the life of me figure out why it's not running a trace.
I checked AS3 settings like usual. The FLA finds the document class but I can't get the subclass to show up.[code]...
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Feb 8, 2012
I am building a app that pulls data from xml. The different nodes in the xml needs to build different objects. My thinking was that I must import the xml only once. Then build seperate classes for each object type. These classes will extends the xml class and apply whatever it needs to do with specific nodes data. Problem is that it seems like the subclass is created before the xml loaded. I can trace the xml data from the xml superclass but not from the subclass.
Main Class
Actionscript Code:
package MyClasses{ import flash.display.Sprite; import MyClasses.Dateline; public class Main extends Spriteprivate var dateLine; public function Main() dateLine==new(Dateline);}}
[code]....
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Nov 5, 2009
How do you subclass multiple classes. I have a class that subclasses MovieClip. I added a new feature. Now its yelling that my class needs to subclass SimpleButton. I know there both part of the display class. But how do you subclass that?
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May 12, 2010
I'm running into the situation where I can't instance a SubClass in the above SuperClass because the SubClass is extending from the SuperClass.
I get stack overflow. Fair enough, right?
Well, I want to add this SubClass to the display, and the only way I know how to do that is through addChild(). To addChild() I need to instance the SubClass.
I can't put any visual display instance or events in this subclass because it's currently null and extends is keeping me from doing so. It's great cuz I can share all the goods, but now I'm stuck dancing inside functions because I can't use events on the main "timeline" of the null SubClass.
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Jan 7, 2010
I am calling on different types classes from within a loop. The objects can be of different types so therefore I am using the getDefinitionByName method. here is a piece of my code:
for(var y = 0; y < mapH; y++)
{
brickHolder[y] = new Array();
[Code]....
But I got an error when I tried to call on methods. The interface is blank; doesn't have any methods in it. I am not sure if that makes a difference. But the parent class inherits it and the subclasses inherit the parent class. Can I instead use the parent class?
var brick:ParentBrick2 = ParentBrick2(new classRef());
In a nutshell, what can I do to loosely cast these objects so I am able to use any subclass methods that get called?
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Mar 6, 2012
I want to subclass "superClass" and override one of it's functions.
[Code].....
The problem is that the "superClass" is loaded from a swf. I do not have a reference to the class definition in my project. Is there a way to do something like below?
[Code].....
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Jun 26, 2010
I'm trying to access a button through my subClass, the button I'm trying to access is located on timeline and this is the error I'm getting once I run the code:1120: Access of undefined property btn_Test., maybe someone could look at the following code and indicate what cause the error
[Code]....
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Oct 16, 2010
I am having a problem with Event class, kind of. My goal is to pass some arguments on the function that get triggered when event is complete. This current code forwards an Event not a CustomEvent, if I am correct.[code]...
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May 13, 2011
So I am trying to create a document class for my program, and I know all the code is correct because I already have the program working.I am currently trying to rebuild the program, and I simply copy and pasted all the working code into my new program.I have 2 document classes, and when I run the program i get an error, and I don't know how to fix it. It says "The class 'ball' must subclass 'flash.display.MovieClip' since it is linked to a library symbol of that type."I don't understand why it isn't working now, is there some setting that I need to turn on to get it to work? I do have the line of code: import flash.display.MovieClip;
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