ActionScript 3.0 :: Removing Child Leaves An Instanced Var In Parent?
Jul 9, 2011
I'm having a problem with removeChild(x) not completing purging the object. I run an if statement to see if the object is null before creating a new one, once I create it the first time it is never null even after I removeChild(x) so the if statement fails.Note: There aren't any external EventListeners in the shop to removethis seems like a simple fix and is driving me up a wall In the parent I start off with a placeholder:
Code:
public class main extends MovieClip
{
[code]....
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Jul 29, 2011
I got a Parent Sprite, let's name it SpriteP, which holds inside it two other Sprites. Sprite1 and Sprite2.[code]Sprite2 is a rectangle. When I rotate it, of course, the height of its parent, SpriteP, GROWS. But I would expect that height to go back to what it should be when I'm removing Sprite2!And it does! If I remove Sprite2 while NOT being rotated, the height of the parent drops back to normal, 200.
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Jun 6, 2011
i am slightly confused about the parent and child relationship. lets assume we have several different instances, what would be difference of adding them all as children of the stage and creating a parent-child hierarchy between them(other than the access path).
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Jul 29, 2011
I got a Parent Sprite, let's name it SpriteP, which holds inside it two other Sprites. Sprite1 and Sprite2.
When Sprite2 is NOT rotated:
Code:
trace(SpriteP.width + ' ' + SpriteP.height); //100 250.
SpriteP.removeChild(Sprite2)
trace(SpriteP.width + ' ' + SpriteP.height); //100 200. -> works, 200 is good.
When Sprite2 is rotated at 90:
[Code].....
And it does! If I remove Sprite2 while NOT being rotated, the height of the parent drops back to normal, 200. But if I rotate Sprite2, the Parent won't update its bounds.
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Apr 15, 2010
I am trying to get an instance of a class to the load an external swf and show it.So far I have the following:
1) I wrote a class that uses the Loader class to load an external swf "loadExtSWF".
2) I have a fla named "MainSWF.fla" that uses a document class "MainSWF.as".
3) I have the MainSWF.as file that instances "loadExtSWF" and calls loadExtSWF.startLoad to load the swf.
This almost works. The instance of loadExtSWF loads the external swf, but the swf is not displayed.If I replace the fla's document class with loadExtSWF (this has an empty constructor) instead of MainSWF, and run loadExtSWF.startLoad, then the external swf is loaded and displayed.[code]
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Feb 5, 2010
[code]All clips are squared.Ok, on the PlayerPlane, there are little soldiers, which have hotkeys. The effect I'm trying to create is I want to position the GameStage so that the currently selected soldier appears in the center of the GameClicker clip.The GameStage is movable by the player (to scan other areas of the map)by holding the CTRL key, so it's easy to kinda lose track of where your players are.I have tried using localTo Global and globalToLocal techniques, but I think I'm lost on the actual math of getting the GameStage to move the correct distance so that the selected soldier is centered to the GameClicker.[code]
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Sep 13, 2011
I am using the following code to generate a bullet (I have a bullet it the library linked Bullet):
ActionScript Code:
function createBullet (bulletSpeed:Number, startx:Number, starty:Number) {
var bullet:MovieClip = new Bullet();
bullet.x = startx;
[Code].....
upon the bullet.x getting to less that 50 it deletes the movieclip ok (other instances of the bullet are still onstage, which is what I want) but it gives the error:
ActionScript Code:
ArgumentError: Error #2025: The supplied DisplayObject must be a child of the caller.
at flash.display::DisplayObjectContainer/removeChild()
at Function/<anonymous>()
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Oct 19, 2010
I'm getting no errors on this, Go (comeback) is my movie clip which should turn up when the mouse leaves the stage area and leave when the mouse enters the stage. I know it's probably my removeChild command but I don't know how to fix it.
[Code]...
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Jan 3, 2010
I got a "preloader" that creates an movieclip and loads an SWF. Now in the loaded SWF i want a close button to go back to the "preloader". The preloader isn't an actuall preloader but some sort of mainclip.Now i tried this:removeChild(MovieClip(e.currentTarget).parent.pare nt.parent)But i get error:ArgumentError: Error #2025: The supplied DisplayObject must be a child of the caller.at flash.display::DisplayObjectContainer/removeChild()at MethodInfo-6()
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Sep 11, 2010
if I add a clip to the stage as a child and remove the parent and set the parent equal to null, does the child get collected and removed from memory? What if the child has an image loaded into it as its child?
In my application I'm loading a series of png images as overlays that can be tinted for customizing in this app. When I trace my memory, the basic app idles at 64,000 k. The exact second I load those overlay images it goes up to 205,000k. If I remove those clips and "clear" the stage I should go back down to 64,000 k if everything is removed and collected correctly, right? It's not, it's hanging at 215,000 k. Are my images being cached and that is the reason for the memory staying up? If so, how do I prevent that. Or upon removing the parent of the image how can I un-cache the image.
If a user switches between models and loads several different items then the application actually crashes the Flash environment because of too much memory usage. It also does the same to browsers.
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Nov 11, 2009
I have a parent swf which loads many child swfs (though only one is displayed at a time). My intention was to use the loaded SWFs document class to retrieve an array of objects to be assigned a tab index, combine this with the parent's own array of objects and apply sequential tab indices to them all. But what happens is actually that the parent's objects are assigned an index, but the external swf is unaffected. In fact, the external swf retains its automatic tab indexing, when I would expect that having set a value for InteractiveObject.tabIndex, automatic tab indexing would be disabled.
I've seen similar tales elsewhere. Most posts I've read are wanting to load an external swf, give it focus and loop through those objects, then close the swf and return to looping through the parent. However I would like loop through all objects as one. including manipulating the focus manager(s), and basically fiddling with every tab-related property I know.
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May 12, 2010
I have created 2 sprites each containing a dynamic text field child. I then add this as a child of the stage. (I have done this in order to make the text clickable with a hand cursor on mouseover)It loads in fine, I just run into problems when trying to REMOVE it the sprite containing the text."ArgumentError: Error #2025: The supplied DisplayObject must be a child of the caller."Sections concerned in red:
Code:
import fl.transitions.Tween;
import fl.transitions.easing.*;
[code]........
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Sep 29, 2011
trying to on mouse over set the parent of the moused over text field to the highest depth child of its parent i tried both of these: [code] private function
[Code]...
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Nov 7, 2011
i want to pass the variable from parent to child .How Can i pass the Variable.Here i paste my code.
My Parent Class
public class PlayerStrobe_domaincheck extends Sprite
{
private var myService:NetConnection = new NetConnection();
private var _loader:Loader;
[Code]....
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Aug 21, 2010
I have an issue where removechild won't infact remove a child. I think its something to do with my dropTarget.parent issues. The concept of the code is that you drag a source onto a destination. When you drop the source onto the destination you will get a text field that says "Hello" or "Goodbye". The objective i want to achive is that once i drop a source onto the destination, removechild will remove any previouse textfields added. This is proving difficult.
[Code].....
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Aug 24, 2010
I am trying to make a calculator where a user can select from a list of items. If a user clicks say "ITEM1", it should add the item to a "CONTAINER_MC". The problem i have is all my data is set inside an array containing names and prices like the code below.
[Code]...
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Oct 6, 2010
Here is a working script to drag drop a ball from the stage into another target mc:
ball.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
stage.addEventListener(MouseEvent.MOUSE_UP, dropIt);
function pickUp(event:MouseEvent):void{ [code]...
It works well but I'm new to AS3 and I am having difficulty amending this script to drag the ball out of a parent mc (instead of the stage) and onto another mc (the target mc). To explain: imagine a ball, a box, a tri, + more shapes all within a scrolling mc (initial parent), the user scrolls to select a shape, then drag-drops onto a target mc on the stage.The scrolling is no problem, but how would you amend the script above so that the ball can start inside a parent mc rather than on the stage itself?
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Jul 3, 2011
I have an object called helpDialog that has a sub-object called "closeX"- You click the X and the helpDialog closes. But I'm a little stuck. Let's say I add a new helpDialog to the stage:
Code:
addChild(new helpDialog());
and let's say that closeX has the following class definition:
[code]........
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Sep 17, 2010
I'm making a rather large flash project and so I'm concerned about memory usage. At the end of each section of the application I remove the overarching parent element that holds the content. Although this remove the parent, does this also free up the memory for each of the children contained within this, or should I run an iteration to remove those prior to removing the parent?
I'll give a little more explanation in-case I'm not expressing what I want:
addChild(movie1);
movie1.addChild(movie2);
movie1.addChild(movie3);
By using this code:
removeChild(movie1);
Does it remove movie2 and movie3 from memory or are they still stored, just unlinked?
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Aug 4, 2009
However, either I'm declaring my variables at the wrong bit/way or there is another problem, as I have been able to add the child I want to from the display list (sidepoint: is it right to call the display list everything in the library on stage at runtime plus those things you have exported for actionscript usage??!)...but when I want to remove it at the next cuepoint nothing happens. I feel this is a basic principle that is alluding me here.
Code:
vid.addEventListener(MetadataEvent.CUE_POINT, cueText);
function cueText(e:MetadataEvent): void{
[code]....
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Feb 2, 2009
Im using the following code to create a mc from a template iv made stored in the library:
var galleryThumbs:MovieClip = new contentTemplate();
galleryThumbs.x = 710;
galleryThumbs.name = "galleryThumbs";[code].........
that all works fine but then im trying to remove it with this, with no success:
if (galleryBox){
removeChild(galleryThumbs);
}
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Aug 10, 2011
Here it is:
var ZombieInstanceTimerL:Timer = new Timer(8000,60);
ZombieInstanceTimerL.addEventListener(TimerEvent.TIMER, ZombieTimerLfunction);
ZombieInstanceTimerL.start();
[Code]....
Basicly im first setting a timer of 8 seconds for a zombie to sprawn then it sets the properties and then using the addChild method it adds the zombie every 8 seconds. then i made the zombie move but as if it hits the character i make it stop and go to the attacking scene which is frame 4 and then when it isnt hitting it, it goes back to frame 2 which is walking,, then i made a Zombie death code which works by in the zombie attack class it has hittests for all the weapons and it reduces a varible in a GlobalVaribles class the varible is called ZombieHP and here it says if ZombieHP is below 1 it should go to 3 which is the death scene and add a point to the score but the hp and gotoAndStop affects all of the zombies so when it hits one they all die how can i make it so only the one its hitting can be affected..
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Feb 8, 2010
I'm trying to remove an instance by name, that was previously captured when it was created. (in a property)
ActionScript Code:
trace(this._blockInstance); //returns instance name, eg "instance203"
But when i try to combine that with the removeChild method, it don't work.
ActionScript Code:
this.removeChild(getChildByName(this._blockInstance));
error:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at Board/boardBlockClick()
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Jul 14, 2010
I have a movieclip which contains other movieclips/loader. Does removing the parent movieclip removes all the children objects?
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Jan 8, 2012
I've run into a problem when trying to move one of my sprites from the stage when it dies.So far what I'm having to do is call the Death method from the main class, which then goes to the Enemy Class in order to play the animation, once the animation has reached the last frame an event is triggered which is situated in the main frame which then removes the now dead enemy from the stage. However it doesn't appear to be able to target the child which I want removed =/Main Class:
Code:
private function hitCheck(e:Event = null):void{
var samuraiPos:Number = SamuraiChar.samuraiPos();
[code].....
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Oct 6, 2010
Have a rather bizarre issue with Flex throwing an error when teh application is running in the background. I use Selenium and SeleniumFlexApi to run various tests against my app. If the browser window is in the foreground or any part of it is visible to teh screen, the test pass as expected. However, if the window is in the background and not visible, I am getting the following error in 1 part of my app.
ArgumentError: Error #2025: The supplied DisplayObject must be a child of the caller. I have a VBOX that creates a number of children and then upon creationComplete(or UpdateComplete, I've tried both) it then needs to remove any of the children that are not visible. Each child has a listener for CreationComplete which checks if the child is visible and if not, adds it to an array which is iterated over when the parent UpdateComplete is fired. I cant seem to find any reason for this behavior and am curious if its an issue with the Flex Component LifeCycle.
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Jan 26, 2009
In my document class I have assigned the root of fla to theRoot movieclip as theRoot = MovieClip(this.root); And as my program proceeds I have added several childs to theRoot. Now at the end of my program I need to delete all the childs of theRoot. So,how can I do this without individually deleting single childs.
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Oct 2, 2009
I have these lines of code on frame 55 on the Main Timeline that generates the contact Form :
ActionScript Code:
import com.warmforestflash.ContactForm;
var contactForm:ContactForm = new ContactForm();
contactForm.x = -200;
[Code].....
My problem is, that I want the contact Form to be deleted everytime I change the frame means --> everytime I go to another subpage of the homepage.
So I would need a script to check for instances of the contact Form class on every subpage-frame and to delete them if present.
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Nov 11, 2010
When I put in this code
ActionScript Code:
stage.removeChild(dementorBlack);
it doesnt work as it says it cannot find dementorBlack basically.Here's my .as file where all this is going on.
ActionScript Code:
//the directory structure to this file
package [code].....
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Nov 28, 2010
I'm trying to create s simple website by using flash. My idea was to have a series of buttons that when i click will add a child to my stage. Now my problem is that i can only figure how to remove that child again by clicking the same button, i would like that the child could be removed by clicking any given button.
Below you see the code for two of my buttons. It is basically made up of the snippets from Flash CS5. I've restricted the amount of children thath can be added, so that no two subpages (children) can be added at the same time. When i add the child by pressing a button the child will be the seventh child on the stage. Is it possible to then make a piece of code for the button so that given a child number seven is already at the stage this will be removed?
ActionScript Code:
infobtn.addEventListener(MouseEvent.CLICK, fl_ClickToLoadUnloadSWF_info);
var fl_Loader:InfoPage = new InfoPage();
var fl_ToLoad:Boolean = true;
[code]....
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