ActionScript 3.0 :: Pass Array Of Arguments To Constructor
Apr 17, 2010
I'm passing a DisplayObject to a command that will instantiate it. Something like this:
// ViewClass is passed into this method typed as a Class
var view : DisplayObject = new ViewClass() as DisplayObject;
Is there a way to pass arguments to ViewClass() without knowing it's type? I'm assuming the list of parameters passed to any object's constructor is an array, but I'm not certain how to proceed.
I know I can do something like this:
// Assume arguments, an Array of arguments, has also been passed in
var view : DisplayObject = new ViewClass(arguments[0], arguments[1], arguments[2], arguments[3], arguments[4]) as DisplayObject;
But clearly I'd like something more dynamic, like to be able to just pass the arguments Array directly. I suppose all of this, however, goes against any type safe checking
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Feb 28, 2010
Is it possible to pass constructor arguments to instance objects which I place on the stage? Are the instantiations of instance objects centralized somewhere as with .NET WinForms so I can just edit the xxx = new CustomRecangle() constructor?
public class CustomRectangle extends MovieClip {
public function CustomRectangle(width:int, height:int) {
this.width = width;
this.height = height;
}
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Apr 17, 2007
For example, I have the class Bullet, with a constructor: Bullet(start:Point, target:Point)constructor
But, if this Bullet class extends the MovieClip class, how do I pass start and target into it? Right now I am using attachMovie to create instances of the class. (They behave correctly with the static properties set by the constructor, but to be useful it needs arguments.)
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Apr 11, 2011
Is this possible ? If yes how ?Otherwise what's the alternatives ?
By dynamically I mean using
loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, finishLoading);
[code].....
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Oct 20, 2010
I am teaching myself AS3 and using FlashDevelop for all of my work (so far so good) and I have hit a snag with passing arguments.What is the best way to pass arguments of one array to another? Ie, I want the Harvester class to have visibility to the Resource class so I can do some iteration.
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Jul 29, 2008
I have an array with some values and i want to pass this values to a function arguments.
example
var theArray:Array = new Array("test1","teste2","teste3");
function hello(t:Number,a:Array){
// do something
test(a)
[Code]....
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Jul 28, 2011
How can I achieve the following for any number of elements in the arg array? If it was a function, I'd use Function.apply(), but I can't figure out how to do it with the new operator.
var arg:Array = [1,2];
new MyClass( arg[0], arg[1] );
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Nov 21, 2005
Is it posible to have predefined arguments in a constructor so if the user doesn't enter one it takes the default value? I tried doing it this way:
[Code]...
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May 5, 2010
I have a bunch of sprites in my library which all behave in the same way.
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Jan 3, 2012
I'm having a weird behaviour with some some classes that I'm making. It seems that the Boolean values from arguments get changed on the way. I have two classes. On is called Carousel and the other Activity. The Carousel main task is to instantiate several Activity objects and place them in a way that resembles a carousel. This part is done, but there's a problem passing arguments from Carousel to Activity. Some data to instantiate the Activity come from an XML file. The XML resembles something like this:
[CODE]...
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Apr 14, 2012
I'm making a game in action script 3. In it, I have an actor class from which player and enemy classes will be derived. I'm doing this so that unless I need to provide specific AI or fancy behavior (such as for bosses), I can just make a new clip in the library for each enemy without making an actionscript file.
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Jul 15, 2010
I've drawn a pretty button in Flash and given it the Class name PausePlayButton. It extends PlayerController, which allows it to toggle on and off and control whether a MovieClip is playing or not.When I instantiate it, I want to pass a reference to the MovieClip it controls into the contructor so that PlayerController has access to the MovieClip's public methods. However, I can't pass a reference into the constructor of PlayerController, unless I can pass it into the constructor of the symbol itself and call super. But where is that constructor? How do I give the button a reference to another object?
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Feb 10, 2009
I have created a class:
Code:
package net.icsna.website
{
/**
* ...
* @author Kyle McKnight
[code]...
And then I create a new instance of the class:
Code:
var scroller:Scroller = new Scroller(_contactDisplayPage.getChildByName("contactInfoHolder"));
And I'm getting an error 1136:Incorrect number of arguments. Expected 0...
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Oct 30, 2011
I'm having trouble with the constructor for a custom Class tied to a library MovieClip.
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public function Circle(xScale:Number, yScale:Number) { }
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Is it possible to have a custom class tied to a MovieClip that can take arguments, or does Flash not allow this? I'd asked about this before and thought I figured it out, but from looking at it now I apparently hadn't figured it out and had resorted to a sloppy workaround; I'm hoping to fix it now.
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Jan 28, 2010
I know what instance variables, contractor methods, local variables and constructor arguments are (I think) but I'm confused as to when or how to use them, for instance I have use this a lot and I don't really understand why it is used like this...
[AS] package standard.testing {
import flash.display.MovieClip;
import flash.events.Event;
import com.greensock.*;
[code]....
Why create a function with arguments...
[AS]public function tweenMe(mc:MovieClip, xPos:Number, yPos:Number)[/AS]
Then create instance variables...
[AS]
public var _mc = MovieClip;
public var _xPos= Number;
public var _yPos = Number
[/AS]
then create local variables with the values of the arguments
[AS]
_mc = mc;
_yPos = yPos;
_xPos = xPos;[/AS]
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Apr 8, 2010
I like finding out about tricky new ways to do things. Let's say you've got a class with a property that gets set to the value of an argument in the constructor, like so:[code]That's not exactly a hassle. But imagine you've got... I don't know, five properties. Ten properties, maybe. Rather then writing out each individual assignment, line by line, isn't there a way to loop through the constructor's arguments and set the value of each corresponding property on the new instance accordingly? I don't think that the ...rest or arguments objects will work, since they only keep an enumerated list of the arguments, not the argument names - I'm thinking something like this would be better:[code]
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Mar 1, 2011
I have a class with constructor and overloaded methods in it. When i try to import that class using blazeds i get an error saying [RPC Fault faultString="Unable to create a new instance of type 'some class'." faultCode="Server.ResourceUnavailable" faultDetail="Types cannot be instantiated without a public, no arguments constructor."] How to import class having overloaded methods using blazeds
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Dec 3, 2009
Is it possible to pass on arguments.. see simnple code
Code:
proxyFunction = function(theEvent:String){
var alen = arguments.length
[code]......
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Jan 21, 2003
I'm having a little problem with how to use the argument sent to a function.I have this:
Code:
_root.onEnterFrame = function() {
setPanning(1);
[code].....
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Jul 29, 2009
I have been given the requirments to modify a website intro. Basically it has names fly in and out one at a time. Each name that flys in has some text effect on it. They had each name set up as it's own movie clip.
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I know how to read the XML file, but that's about it.
I need to know how to pass info into a movie clip. I need to know how to call random movie clips. And it would be nice to know how to make it loop through the names and have the effect appear on screen.
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Sep 26, 2010
I have an instance on my stage that I dragged from my library at design time.This instance links to a custom class who's constructor takes an argument.[code]Is there any way to set arguments on an instance that has been manually dragged to the stage?
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Apr 28, 2011
I am creating the columns of a datagrid dynamically at run time and I need to allocate the sort compare function to those columns based on the data type of that column, is there a way I can pass some argument to that compare function which could tell the function what type of column is it going to operate on?
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Sep 3, 2008
I have searched the web for a satisfactory answer and have not got one yet.
Below is a function that has an argument passed to it that I would like to pass on to an event Listener. The listener should pass the variable on to another function. Looking at the structure of listeners this is not acheivable[code]...
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Nov 22, 2010
I want to be able to pass the mouse click / evt with local connection[code]...
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Apr 22, 2008
Way to call a function that DOES NOT accept arguments.[code]...
How about the SHORTER way to call a function that ACCEPTS arguments?
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Feb 22, 2010
In AS2, I often found it useful to pass arguments to a function on a button press like so:
btn.onRelease = function(){
doSomething("arg1", "arg2", "arg3");
}
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Here is the code:
btn1.addEventListener( MouseEvent.CLICK, function onClick(e:Event ) { displayArgs(e, new Array("Larry", "Curly", "Moe") ) } );
btn2.addEventListener( MouseEvent.CLICK, function onClick(e:Event ) {
[Code]....
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Mar 3, 2010
I want to pass through configuration arguments to a class. These are all the optional vars that go into configuring the class - and should be able to run in any order.
at the moment i just pass through the optional vars the regular way. Supposing the constuctor was like the following:
private var _reqVar:String;
private var _optVar1:String;
private var _optVar2:String;
[Code].....
assigning the argument to the var of the same key (i know in php to reference a variable name from a key you can use $$key = $value, is there an equivalent in as3?) display an error (using the 'throw' method) for variable names not supported by the class
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Apr 9, 2010
I have this code:
var service:HTTPService = new HTTPService();
if (search.Location && search.Location.length > 0 && chkLocalSearch.selected) {
service.url = 'http://ajax.googleapis.com/ajax/services/search/local';
service.request.q = search.Keyword;
[Code]......
I want to pass the search object to the result method (onServerResponse) but if I do it in a closure it gets passed by value. Is there anyway to do it by reference without searching through my array of search objects for the value returned in the result?
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Jan 30, 2012
[Code]...
I have an object that has all the elements I would want to pass arguments: var args:Object = { 'dog', 11, myArray }; and I want to be able to pass the contents of args to doSomething without making any changes to doSomething (assume it's someone else's function) and I'd like to do it in a way that doesn't assume I will know anything about the contents of args.
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Apr 16, 2010
Basically what I'm trying to create is a custom timer that uses frames rather than milliseconds. But I can't figure out how functions like setInterval calls the function you passed along with the arguments. First I create a reference to the function I want to execute after a certain interval and name it fc, then I create a list of arguments my function want to pass using Array, but then how do I put those arguments in fc()?
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