ActionScript 3.0 :: Placing A Instance From The Library And Parameters?
Sep 7, 2011
here is just a general question about the use of classes in flash. Say I have a class called ClassA that wants two parameters passed in. So i create an instance of it and add it to the stage with code like this: var myInstance:Class = new ClassA("something", somethingelse"); addChild(myInstance);That works all well and good! Now, is there a way i could manually place an instance of ClassA from the library palette and tell it the two parameters?
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Similar Posts:
Mar 4, 2009
Basically looking for a way to get the instance created when I use this function I've made, it seems to me "libItem" will be a new instance and I would like to re-assign that back to the item passed into the function so I can access the instance later.
Here is the function I created to create library on the stage...
Code:
function objectPlacer( libItem, instance:Class ):void {
libItem = new instance( );
addChild( libItem );
}
So here is how I call the function
Code:
// Function( var name, library item class name, pos x, pos y )
objectPlacer( i_ranks, txt_Ranking );
My problem is, I try to access "i_ranks" later with the following code...
Code:
i_ranks.x = 100;
And I get the error:
TypeError: Error #1010: A term is undefined and has no properties.
"i_ranks" is defined as a class member.
Also, if you know - what should types should I be assigning the parameters instance and libItem in the function?
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Apr 14, 2008
I'm trying to place these external library elements in full screen mode.[code]But I don't know how to make them listen to a stage listener to scale and position relative to the stage size or resize.
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Nov 15, 2010
is it possible to obtain the instance name of a class from the class without having to manually pass the instance name as a string parameter to the class constructor?
//Create New SizeClass
var big:SizeClass = new SizeClass();
//-------------
[Code]....
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Feb 16, 2006
how i can pass parameters to an instance of a class using the Object.registerClass method. It seems i can only put the name of the class but no extra parameters.
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May 23, 2011
First a little background: I'm looking for a way to create a "collection" library that abstracts the Flash Player version based implementation (Vector on FP10, Array on FP9) away from the calling code. I've already written a small AS3 lib doing that but.the performance is bad (especially because of two levels of indirection and the runtime type checks on the Array implementation)the code is ugly (since Vector types need to be defined at compiletime I needed a factory returning concrete Vector instances based on an Enum that contains only the supported types)
I'm currently looking into haXe as a possible solution since it supports type parameters and is able to compile to various Flash Player versions (and apparently compiles into mmore optimized bytecode).Now, my question is: Is there a way to write a library in haXe that can be used like this in AS3 code
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Jan 11, 2011
i want to create instance of mxml (in my case EventList) and pass parameters. My Event List is a list of panels so I want to pass parameters and generate dynamically n number of panels (n-parameter to pass). I have the main app where I have toggle button bar when I click on the first I want for example to generate 3 panels (n=3) on the second button 20 panels (n=20) etc.How can I do this? How can I pass n and what is the best way to show the list? I whant to generate the list when I click on the toggle button!
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Mar 1, 2010
What I'm trying to do is create a simple message class that I can pass a set of textfield parameters of my choosing rather than specifying each textfield parameter in the constructor.Is it possible to pass a textfield instance an object of parameters instead of setting each one individually?
Code:
public class Example {
private var message:String;
private var messageTextField:TextField;
[code]...
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Nov 25, 2010
Is it possible to create a class instance dynamically and specifiy the constructor parameters dynamically?
So for example, imagine I have a class 'TestClass' which as constructor takes two parameters, (Array, int)[code]...
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Nov 6, 2011
I know I can create instances from a string like this:
var classFromClassPath:Class = getDefinitionByName(classPath) as Class;
var instance:Object = new classFromClassPath()
I know I can call some function with a parameter array like this
var x:Function = someFunction;
x.apply(null,args);
But does anyone know if I can pass parameters like that when I construct a class?
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Jun 17, 2009
I have a graphic or movie clip as an example which is a water bottle. An what I wanna do is that depending on what is the user response, in my case is how long the person is doing some activity, depending on that I want flash to generate a number of graphics/movie clips on the screen. As example the person says that takes 6 minutes doing "x" activity, so as a response of a button click which says "generate consumption", it generates on the screen how many water bottles he has consumed for that range of time doing that activity, for example each minute is 2 water bottles, so it has to generate 12 water bottles on the screen when the user press "generate consumption".
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Nov 11, 2010
When addressing nested movieclips like so: _root.movieclip.movieclip.variable they need to have an instance name set, otherwise they count as undefined. So I can set that in the properties no problem, but when deleting it from the stage and then readding (manually or by actionscript) the instance name is gone thus I can not address nested clips by action script.
I don't understand how this will work then, since every time I add a clip by code it will have no instance name. The only alternative for me so far was keeping the clip on the stage the whole time, just out of bounds or invisible so I can still do stuff like _root.movieclip.movieclip.variable or _root.movieclip.movieclip.gotoAndStop(2).
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May 11, 2010
Have buttons on the stage that when clicked, load a mc from the library into an empty mc on the stage. If another button is clicked, the loaded mc fades out, then a new mc from the library fades in. I've got it working for external .swf's loading, but I'd like to use mc's from the library.I think I need to use a attachMovie in there, but not sure how.
ActionScript Code:
var LoadMe = "";// this is just a var to store the page you want to load
// --- >> EXAMPLE FRAME CODING FOR A MC BTN
_root.homeBtn.onRelease = function() {
[code]....
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Oct 8, 2009
I am having an issue with some code I found for a custom cursor.
Code:
import flash.ui.Mouse;
Mouse.hide();
function init()
{
Mouse.hide();
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Jun 28, 2009
I created a button, stored in library, and would like to create an instance of the button in AS3 and add to stage.
It seems that most people use movie clips as buttons, create instances, and add to stage. This works fine.
Is it possible to add instance of a button from the library and add to the stage?
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Aug 2, 2010
I'm trying to write code that will dynamically add a falling leaf to a tree sprite every so-odd frames. But try as I might, I can't get the little retard to appear.[code]...
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Sep 8, 2009
I have created a movie clip on the stage and in symbol properties I have checked "Export for ActionScrip" the MC name is "slide" and the class is "slide" base class is flash.display.MovieClip.
When I test the movie I get this error.
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at main_fla::MainTimeline/frame1()
Here is my code:
PHP Code:
var slide = getChildByName("slide"); //add instance from library?
function slideRollOver(event:MouseEvent):void {
// trace("OK");
} slide.addEventListener(MouseEvent.ROLL_OVER, slideRollOver);
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Sep 24, 2009
I have a movie clip, imported by shared library, in my main stage. Everytime I try to put an instance in this movie clip I get this error ( the movie clip in the main file ):
"1046: Type was not found or was not a compile-time constant: MenuDG."
The main library have this: menuEsterno - name of the item imported by shared library.
In its properties: Class: MenuDG; url: library.swf Source:. Library.fla Symbol Name: MenuDG
In the library.fla the same item is configured as follows: instance: nivel1
The library: MenuDG - name of the item in the library
In its properties; Class: MenuDG Base class: flash.display.MovieClip Export for ActionScript Export for runtime sharing Export in first frame; Url: library.swf Source: Symbol:
I'm working with Flash CS3;
I am providing a link to see the files. [URL]
Attachments: agencia.zip (2.8 MB)
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Nov 2, 2010
I am trying to learn ActionScript 3. I have a MovieClip called Ship in the library and have made class of it called ship. The Ship movieClip glows from Frame 6 to indicate when it crashes into an asteroid.The myShipMovieClip child is controlled by arrow keys and asteroid approaches. The hitTest works but I cant get the ship to glow i.e. from the timeline go to the Ship MovieCli in the library and go to frame 6 to start it to glow. I have managed to do this in ActionScript 2 but have tried for the last few days to try and do it in AS3here is my code :
import flash.events.KeyboardEvent;
import flash.events.Event;
import flash.display.MovieClip;
[code].....
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May 24, 2011
in Flash CS4 I created two FLA file.
In the First File:
- I draw a shape;
- I convert it to a MovieClip;
- I link a MyClip class with a simple trace in the constructor;
- I export the whole file as MyClip.SWC;
In the Second File:
- I go to Edit > Preferences > ActionScript > ActionScript 3 settings and I add
-in the Library Path- the file MyClip.SWC;
- on the first frame of this swf I write var myClip:MyClip = new MyClip(); addChild(myClip);
I don't know what I'm doing wrong but when I compile (export swf) the class gets loaded (I see the trace in the output window) BUT I can't see the graphics associated to MyClip. It seems MyClip.SWC only contains the code of that clip.
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Oct 17, 2011
I simply want to build a slide show from 80 images in my library.So my problem is to create instance of each image(mc) from the library to the stage using a loop
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Feb 25, 2003
I want to creat an instance of an object out of the movie's library. I know there is that one funky function duplicateMovieClip that will duplicate instances of objects already on the stage, but can I dynamically insert objects when I want to, without having to drag a prototype object onto the stage manually?
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May 20, 2009
I make a movie clip in the library ( a button with a text field on it ) and export it for actionscript. Then I create an instance of the object using code ( myButton = new Button1(); ).And then I want to access and change the text field ( whose instance name is "myField" in Flash ) afterwards.Is that possible, or I have to create a custom class for the object, or just create an entire button dynamically?
Because what I have tried until now doesn't work.
Code:
var button1:button_test1 = new button_test1();
button1.x = stage.width / 2;
button1.y = stage.width / 2;
[code]....
This questions is for all movie clips: is there a way to access a movie clip's objects with actionscript after you have created (with code) an instance of that object (which was designed in flash, and exported for AS) ?
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Oct 4, 2011
I am making a game where I reference "Player_mc" quite a lot. I have a bunch of full characters (movieclips) in the library that work as the player when put on the stage and referenced as "Player_mc". I need a code that can reference those characters (movieclips) in the library, and move them onto the stage and name them "Player_mc". Also I need a way of removing an existing "Player_mc" so that another character can be referenced and brought onto the stage as "Player_mc". Here is what I have: if (this.P1Character==(Whatever that character's number is)){
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Feb 11, 2010
How would i go about loading a variable into a movie clip and have it pull different graphics from my library at different spots in the main timeline?
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Dec 1, 2010
I'm making a project that is based almost entirely on code and I'm using classes. And everything was working fine until I came to a situation where I needed to make text field inside flash and not with code. I made a text field put some text inside, converted to a MovieClip, set the "export for actionscript" linkage in the library and deleted the movieClip from the stage.
Then went to my document class and wrote this code:
ActionScript Code:
var txt:text1 = new text1();
addChild(txt);
txt.x = 20;
txt.y = 20;
And I get this error: Error #1009: Cannot access a property or method of a null object reference.
Weird. I don't understand this problem. I then put this as3 code into the first frame and disabled the document class. And the text appeared normally on the stage.
What is even more weird. I get the same error even if I delete this code. In other words, I get this error just by having this text object inside my library.
So what do I do wrong? Why can't I use this command in my class? And what is happening this just by having this object inside my library?
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Mar 20, 2009
Does creating a new instance of an Object that uses an identical name to an older instance, delete the previous instance? Or should the original instance be deleted first? The code uses a ridiculous amount of XML vars. Isn't it less memory intensive to parse the XML and save the properties to an Object, and then delete the XML Object, rather than keep the XML Object around and reference it's child nodes directly? Is it better form to break up a huge XML file (>600lines/3200vars) into smaller chunks?
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Apr 6, 2010
I'm designing a website in flash & have imported my images into the library & have placed them on the stage, but when I go to "test movie" to preview my page, some of the images look like this [URL] the funny thing is, when I look at the images on the stage they look fine, it's only when I test my movie that they look cut off.
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Jul 1, 2010
I have a 6*6 table, and 2 dices generating random numbers. The 6*6 table have empty textboxes which will display the sum of two dices. I have the table and the instance ready but I do not know how to display them onto the right textbox. For example if red dice roll and one and white dice roll a two I hope selec12.text=3. The code I have done are as below
Code:
var row:int=7;
var colum:int=7;
[code]....
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May 2, 2011
Basically I have this code...
ActionScript Code:
gameOverFinal = new gameOverMessage();
gameOverFinal.x = 265;
gameOverFinal.y = 400;
addChildAt(gameOverFinal, o);
It displays a game over message at a certain time. but if let's say the enemy that killed me is at the exact place where the game over message is the enemy will freeze over the message and obscure it. Is there a simple piece of code that will make it so the message is always on top?
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