ActionScript 2.0 :: Passing Variable Names As Arguments For Functions?
Sep 24, 2008
Is it possible to pass variable as arguments for a function? I wish to update a boolean variable via a function, by passing the name of the variable to the function, like so:
Code:
function ENVSegment(curSegment:Boolean, nextSegment:Boolean) {
curSegment = false;
nextSegment = true;
} var attackSegmentIsRunning:Boolean = false;
var releaseSegmentIsRunning:Boolean = false;
[Code] .....
Much shorter, and easier to understand. Also, less repetition of the same blocks of code over and over...
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Dec 31, 2002
i have a music jukebox, with ten buttons. in the first keyframe, of the main timeline, a put a function that will be used for every button to load the mp3 to play. The problem, is that when i pass the arguments on each button to call the function, the "filme" and "som" arguments are lost.
here is the function:
function carregaSom(filme, som, url, msg1, msg2, tempoComeco){
_root.createEmptyMovieClip(filme, 1)
som=new Sound(filme);
[Code].....
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Jun 30, 2011
I have 2 functions. Each one is being called by a different event listener. Both event listeners work because I am able to trace strings in both of them.. my problem is that i am trying to create a variable that is local to both functions. The first function "working" adds a number to the variable and when the second event listener triggers function "notworking" which retrieves this same variable called "counting" both functions are called automatically by event listeners.. how do I do this? i am stomped!
[Code]....
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May 18, 2005
I have been working on a Flash movie that loads variable data from an external XML file and dynamically displays the item names in a menu which may then be clicked to display other dynamically-loaded content that corresponds to the menu item that was clicked. I have now come to a standstill in the project as there is something I'd like to achieve but simply cannot work out how. This is my first attempt at working with XML in Flash and one of my early attempts at using variables. What I'm trying to achieve is; once the user has viewed the item's content, they can simply click "next" and "previous" buttons to display all of the content for the next or previous items in the XML document.
I know it probably sounds simple and I'm sure some of you could achieve this in 5 minutes (!) but I can't get my head around some of the coding. I assume previousSibling and nextSibling would come into play here as well as some sort of functions which access arrays of data for the previous and next items, but I'm just not sure how to correctly put these things to use. Rather than post my code and example images of the stage up here on the forums, I've created an html page here: [URL]
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Feb 3, 2010
I have a "format" method that works in a similar manner to the C# String.Format method, with the following signature:
[Code]...
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Nov 9, 2005
I have a function with 4 necessary arguments (aka parameters) in order to perform the actions. I would like to have the ability to pass the same function to itself as an argument (sort of like a recursive function) along with its arguments. Basically I want to "base" to engage an onMotionFinished event handler if there is another function passed as an argument. Something like...
[Code].....
Would there be a way to use listeners to do this or the AsBroadcaster?
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Mar 20, 2011
I started a thread about a reference to a symbol House, in the output window, which was: House_1. A lot of people said some useful things about that. All day I've been thinking about it, and I came to the conclusion that I don't understand things, at a very basic level.
Consider:I make a movieclip which I give the Symbol name Drawer. (I don't export it for AcitonScript.)On the stage I manually place two instances of this Symbol. The first one I give the Instance Name drawer (in the properties panel). The second one I leave nameless.Now if I trace the names of both these clips, by
trace(this.getChildAt(0).name);
trace(this.getChildAt(1).name);
the output window gives me
drawer
instance2
Now I know that the so-called "instance name" which I gave in the Properties Panel (drawer) is, in reality, a variable name which Flash gives my first instance behind the scenes. And instance2 is a name that Flash gives my second instance. What exactly the nature of that name is, I do not know.My point is: both names (drawer and instance2) are the .name property of these movieclips. Otherwise I could not have traced them through asking for the .name property, in the above. Yet only the first of these two can be manipulated:
drawer.x can be set;
instance2.x can (as we know) not be set.
But...why? What is the real difference between these two kinds of names? How can they both be the .name property of their underlying movieclip, yet be of such a different nature? What IS the nature of the instance2 name? If it's a String, how come the .name property of one movieclip can be a variable name, while the .name property of another (but identical) movieclip is a String?
I've searched every bit of web page on the net I could find. But it looks as if nobody addresses this issue. We all just work with it - but it makes no bloody sense. A name property = a name property, you'd think. Whether Flash set it or I set it should not make a difference. The x property of a clip, for example, does not change in nature according to who set it - me or Flash.So, again, just to emphasize the problem: how can a property (the name property) of a movieclip change in NATURE depending on who set it? After it's been set, shouldn't the name property of a clip be of exactly the same nature as the name property of another clip?
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Jun 9, 2009
I need to pass some value, say 'name=john', from html to actionscript.I am now using AC_FL_RunContent as;
AC_FL_RunContent(
"src", "newFile",.... );
here the movie is mensioned as 'newFile'.. how do pass the value 'name=john' to the actionscript code.what I need is something equivalent to "newFile.swf?name=john".
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Jun 17, 2011
Is it possible to use javascript to call a method in as3 and pass in an object argument?This would act as a setter in some sense.
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Oct 8, 2009
I have a movie clip that contains several movie clips, only one of which should be shown at a time. Which one is shown, depends on what buttons the user selects.Having trouble with the syntax for passing the argument in a button to the function that controls the tweening of the clips. (When I hard code the references into the function, it works, so I know the basic function is ok).There's a clip called 'slide1_mc' which contains various MC's to be shown based on user selection (in this case, using 'system' clip as the first one already showing). Here's the code in the parent clip of that item:
Code:
var currSection = slide1_mc.system_mc;
function changeSection(newSection):Void {
TweenLite.to(currSection,.3,{_yscale:200, _xscale:200, _alpha:0});
[code]....
Here's one of serveral buttons that will control the content to be seen:
The code in the button is:
Code:
var changer = slide1_mc.software_mc;
smallButton.onPress = function() {
_parent.changeSection(changer);
};
So - the initial part of my function works so I know my 'external' initializing of "currSection" is working (that clip is zooming/fading out)... but then the clip that I want to fade in isn't doing anything.
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Apr 8, 2009
i have been playing with the Zend Tutorial - and all works fine... however, stuck on something that i found quite easy in amfphp/as1&2
In AS3 - i am using NetConnection and i want to pass arguments to my php function
The first function i show here works fine....
inMyPhp...
Code: Select allpublic function getTutorials()
{
$result = mysql_query("SELECT * FROM testTable");
$t = array();
[Code].....
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May 12, 2005
Is it possible to pass arguments "by reference" instead of "by value". I know it's possible in almost every programming/scripting language I came across until today, but I didn't find any hint for doing it in Actionscript For those who don't know what "by reference" means: If you want to pass a Number to a function, say
Code:
var mynumber:Number = 5;
calculate(mynumber);
and you change the value of the argument inside the function, e.g.
[code]....
then the call to calculate normally does NOT change the value of mynumber because you have passed mynumber "by value", which means the value of mynumber has been copied to the num argument. This means mynumber is 5 all the time.Now sometimes u want to be changing arguments given to a function inside the function, and this is where u will normally use references. Passing mynumber "by reference" would mean that after calling calculate the value of mynumber will be 6...I know complex Objects like MovieClips are passed by reference. But how to do it with simple DataTypes like Number, Boolean etc.?
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Apr 8, 2009
In my database i have a field called "live", and i only want to grab entries in a table that have "live" set to "1"
This is what i have tried, but it doesn't work....
InMyPhp...
PHP Code:
public function getTutorialsLive($live)
{
$result = mysql_query("SELECT * FROM testTable WHERE live = '%s';", $live);
[Code]....
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Sep 17, 2009
I have the following code, which should display some square clickable clips over a map. This is done by calling a function (shown below) with arguments. However, when I call this function, only the last box is shown... The clips are drawn on the same level (9000) but that should not be a problem as they wont overlay...functions calls....
ActionScript Code:
clipsideD=150;
city="Rome"
cityText=romeText
[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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Jul 14, 2009
You can do this:
PHP Code:
public function (args ...)
To take in any number of arguments. Is it possible to then give the content of that args array to a new function:
PHP Code:
public function bla (args ...){
pleh( changeArrayIntoArgs(args) );
}
So that that would be the same as just passing arguments manually. lets say bla got 3 arguments:
PHP Code:
bla(v,vv,vvv);
So that bla then executes:
PHP Code:
pleh(v,vv,vvv);
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Nov 11, 2009
I am fairly new to AS3.
vancouverMC.dotsBttn.addEventListener(MouseEvent.M OUSE_OVER, mcIn(vancouverMC));
vancouverMC.dotsBttn.addEventListener(MouseEvent.M OUSE_OUT, mcOut(vancouverMC));
function mcIn(mcName:MovieClip):void{
mcName.gotoAndPlay("in");
mcName.ringMC.gotoAndPlay("on");
} function mcOut(mcName:MovieClip):void{
mcName.gotoAndPlay("out");
mcName.ringMC.gotoAndPlay("off");
}
Why this is Not Working?
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Nov 11, 2009
tell me why this doesn't work?
vancouverMC.dotsBttn.addEventListener(MouseEvent.M OUSE_OVER, mcIn(vancouverMC));
vancouverMC.dotsBttn.addEventListener(MouseEvent.M OUSE_OUT, mcOut(vancouverMC));
function mcIn(mcName:MovieClip):void{
[code]......
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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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Jul 20, 2010
How to pass boolean arguments to a function[code]On the stage i have all the MC - screenX, alarmsX, criticalX, majorX,warningX, redX, orangeX, greenX.But i get errors:Scene 1, Layer 'Layer 1', Frame 1, Line 171119: Access of possibly undefined property visible through a reference with static type Boolean.for each of the MC.
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Feb 22, 2011
I just started using object pooling and I have some problems with passing arguments. I made class "Circle" which needs 3 arguments when instanced and I try to push it into the pool.
[Code]....
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May 20, 2008
I have four NetStream objects that receive cuepoints from different videos. I'd like to define one function for them all instead of using four inline functions and I'm stuck with syntaxHere's the code:
Code:
ns1.onCuePoint = callCuePoint;
ns2.onCuePoint = callCuePoint;
[code].....
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May 8, 2009
Say I have an array with 4 string elements that are 4 different urls. On the stage I have 4 movieclips that I want to have listen for a CLICK event. When the user clicks a button, the navigate to one of the 4 urls.I can loop through the buttons and add and event listener to each:
Code:
private function applyPlankLinks():void {
for (var i:uint = 0; i<numberOfPlankBtns; i++) {
[code].....
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Dec 27, 2009
Let's I have a class Square that has a several functions. I want to call it from a class Grid, which is a group of Squares.So in the class file for Grid, how would I do this:
Code:
public function doSquareFunction(thisFunction:Function):void{
square1.thisFunction();
[code]......
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Dec 25, 2010
I want to make in loop set of buttons, and add to them some events, but anonymous functions is the same. I write example code:
for(var i:int=0;i<5;i++)
{
var button:SimpleButton = new SimpleButton(...);
...
[Code]....
And I want to trace 0,1,2,3.. from click buttons instead of 4,4,4,4 ..
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Oct 30, 2011
I'm having trouble with the constructor for a custom Class tied to a library MovieClip.
Say I have a MovieClip in my library named Circle, which is tied to the class com.shapes.Circle . I want the Circle class contstructor to take 2 arguments, xScale and yScale:
public function Circle(xScale:Number, yScale:Number) { }
However, if I try to call that from in code, for example Circle ball = new Circle(3.14,2.0); , I always get an "Incorrect number of arguments. Expected 0" error.
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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Feb 10, 2009
Is there any way to pass an argument to a function being called by a ContextMenuItem?The effect I want would be what one might expect from this pseudocode:
Code:
var cm = new ContextMenuItem("Start Alt", set_row_style('start_alt_here'), separatorBefore=true, enabled=true, visible=true);
Which obviously doesn't work, or I wouldn't be asking.So far I've tried using the captions as a basis for a switch condition, which works.
Code:
function set_row_style(obj, cm) {
switch (cm.caption) {
case 'start_alt_here' :
...
But I'd rather not use an arbitrary string as part of a function.The only other option I see is using a listener for each ContextMenuItem, then calling the function with its arguments from there.Is there any more direct a way to pass an argument to a function from a ContextMenuItem?
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May 20, 2007
I want to have an array, where each value is a function, where each function also has a set of arguments.
What is the correct syntax for setting a value of an array as a function?
Lastly, how do I pass arguments into the array's value?
Code:
var funcA = new Function(a:Number, b:Number){return a + b};
var funcB = new Function(a:Number, b:Number){return a - b};
var funcC = new Function(a:Number, b:Number){return a * b};
[Code].....
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Sep 30, 2009
I need to be able to communicate between two applications that reside on the same machine. One is using Flex and the other is in C++. I would like to be able to call functions and pass arguments to each other. What is the best way to communicate between them?
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Jun 24, 2011
I'm an AS3 noob who is trying trying to get more comfortable with passing arguments into functions.why when the following code is all in one AS3 file as seen below it works and draws the purple square...
package{
import flash.display.*;
public class Main extends Sprite{[code]............
Flash CS5 gives me an error message 1137 saying that it was expecting only 1 argument in the code line --> Fill(square_commands, square_coord);I need to pass the arguments square_commands and square_coord into the function in the second AS3 file?
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