im trying to pass in an optional argument into a function. The datatype of this needs to be an object... however, im not getting very far. I know i can do this....
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Code:
import fl.transitions.Tween;
import fl.transitions.easing.*;
var animTween:Tween;
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I have figured out the following: Well, as you see the function moveStuff accepts three arguments, namely:
objectdurationeasingWhen easing has a default value, I get an error. But if it doesn't have a default value, then it works fine, the code would look like so then:
Code:
import fl.transitions.Tween;
import fl.transitions.easing.*;
var animTween:Tween;
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How can I pass a 'set' function as the Function Object argument of another function?eg:
public class IdModel
{
private var _id:String;
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I have recently moved from AS2 to AS3 and I am finding the transition fairly easy, however I do have a few questions, some of which may not have been possible with AS2 but I would like to achieve them in AS3
1. Is it possible to pass the name of a class as an argument in a function and then use it to create a new instance. e.g [code]
2. Carrying on from the previous question, if a class can infact be passed, can I specifying a variable type for the argument so that only classes and not instances will be accepted?
3. I have three class files that all inherit some functions and variable from another class called Ship. Is it possible to specifying a variable type so that the variable can only hold instances of classes that are inherited from the Ship class?
In ActionScript 3 you can declare optional parameters like this:function (i:int = 0, s:String = "", o:Object = null):void { }So you can check if the user passed parameters s and o because you can test against the empty string or the null object if(s && o)...But how do you allow an int to be truly optional? What if all values for i are valid, including 0, negative and positive integers? And what if you want to enforce integer (not use Number?)what's the best practice here? the (...) rest may work but then you can't enforce a certain number of parameters at runtime, nor can you make for useful code completion?
View 3 RepliesOk, I have 2 buttons on the stage. Each button does almost the same thing, so I want to create a single function, and each button calls that same function (we'll name that function "Navigate")... however, the function will need to end up doing something different dependant on which button was clicked.So, previously, in AS2, I would've added some code onto the buttons themselves with on(release) methods, like so:
Code:
// Define the Navigate function
function Navigate(myLabel){
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Trying to migrate my way of thinking from AS2 to CS4/AS3. Ok, I have 2 buttons on the stage. Each button does almost the same thing, so I want to create a single function, and each button calls that same function (we'll name that function "Navigate")... however, the function will need to end up doing something different dependant on which button was clicked. So, previously, in AS2, I would've added some code onto the buttons themselves with on(release) methods (see CODE EXAMPLE 1) So, each button effectively calls the Navigate function, and passes a different frame label to the function. Now, I'm trying to recreate this functionality in AS3. As you all know, on(release) has been done away with (still don't know why), but we now have to use event handlers, so I'm trying to figure out a way to pass a different frame label argument to the Navigate function. Currently I can achieve that by using a switch statement to test which button was clicked, and act accordingly (see CODE EXAMPLE 2).
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I want to be able to call a JavaScript function from a Flex app using ExternalInterface and pass a reference to a different JavaScript function as an argument.
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Im trying to create a loop of items like this...
for each (var btn:Object in ViewButtonData)
{
// build element[cocde]..........
I would like to pass in current HBox to the 'HoverTab' function. Is there a way to do that?
How do I make some parameters of a function optional?
For example in the function below, how do I make para3 optional?
function someFunction(para1:int, para2:int, para3:String){
}
I want to add things to the display list, some will have event listeners and some not. Is it possible to make an argument optional so it doesn't throw an error if it's not there when calling the function?
View 2 Replieslets say i define a function...
function myFunc(para1, para2, para3){
blah.. blah..
}
but i want para3 to be an optional parameter... can i do it..?
example..i will either use myFunc(var1, var2); or myFunc(var1, var2, var3); when calling myFunc function...
I want to create some functions similar to how GreenSock's tweening class works.With the optional parameters by name in brackets. {}[code]I get this error: "Parameter initializer unknown or is not a compile-time constant."Pretty sure it's the "Parameter initializer unknown", but I don't know what to do about it.
View 8 RepliesHow do I pass arguments using ActionScript's event-listener?I have code, as given below, which creates a label, and I want, when clicked on the label it should pass the toolTip associated with that label. This is what I was trying to do:
public function create_folderpath():void
{
for(var i:int = 0; i < fm_model.absolute_path_ac.length; i++)
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I'm using FlashBuilder 4 beta2. My base class has a function foo():
protected function foo(s:String, z:String=null): void{}
Literally "foo" so that there's no chance I'm stepping on a built-in method. I am getting an
"Incompatible override" error when attempting to override the method in a subclass:
override protected function foo(s:String, z:String=null): void{}
Does the optional parameter do something "behind the scenes" that makes it illegal to override the method?
I have a "format" method that works in a similar manner to the C# String.Format method, with the following signature:
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I have a signal like this:
public var e_collision:Signal = new Signal(GameObj);
When the object collides with another, I pass the other object as the argument.But if the object collides with a wall, the wall is not a GameObj, I would like to know, can I pass null instead?
How can I pass a CustomEvent as an argument to a class and later dispatch it? An example of what I would like to achieve is below - non working
var container:Container = new Container(array, new ViewEvent(ViewEvent.PHOTO_SELECTED));
addChild(container);
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I'm trying to pass my object class as constructor argument. I have something like this:
package myclass {
import flash.display.MovieClip;
import flash.display.BitmapData;
import flash.display.Bitmap;
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Now, when I try to create my Example:
import myclass.Example;
var example:Example = new Example(myObjClass);
I get message, that I'm not passing any variable (Error #1063). Why is that? What is wrong with it?
I created and filled a multidimentional array, and passed it to a function, like this:
var array = new Array();
for (i=0; i<someLength; i++) {
array[i] = new Array();
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I get an undefined value, like the array I just passed is just a value. What would be the correct way of achieving this?
I need to upload a file from my Flex interface to a folder located on the server.
I use the following [code]...
Problem: I need to pass an additional argument to my upload.php script (actually a String - the name of the folder I want it to be uploaded). Is there a way to do this?
how to pass the multiple array as an argument?
function fun(..arr1,..arr2)
{
}
How do I make the color array, dColors, an optional parameter?[code]It gives me a "1047: Parameter initializer unknown or is not a compile-time constant."I've tried a bunch of different ways, but all I get are compile errors.Don't forget to drop a colorpicker control in to your library if you copy out the code.
View 2 RepliesHow do I execute callback functions dynamically by passing a function in as an argument to another function?
Look at this example:
Code:
package {
public class myClass extends MovieClip {
public function myClass(callback) {
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var arg3:Vector.<String> = new Vector.<String>;
var rescJar:String = File.applicationDirectory.nativePath + "/java/test.jar";
arg3.push("-jar",rescJar,"-n "a string"");
is any way to get argument for onFinishTween's function ?!
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I want to guess the type of every argument from an anonymous function, something like mapping a class with reflection but just for a function, something like...
public function guessMyArgumentType(f:Function):void {
for each (argument:* in f.arguments) {
trace(typeof(argument));
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I have a global function that does some stuff with a LoadVars in it.I 90% of the cases, the onLoad reference of the LoadVars is the same, but I sometimes need to do something else when the LoadVars is loaded.Is there a way to pass a function reference to a function so that I could do something like that :
[AS]
_global.function myFunction(maybeFunction)
{
myLoadVars = new LoadVars();
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I have an extended MovieClip class that has 10 Boolean properties. There are 6 instances of the clip on the stage. Any of the properties of each instance can be set independent of the same property in other instances, so...
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In the code I want to call the function like this _root.onMouseUp=do("xyz"), but the way is not correct.
Code:
function do(abc) {
trace(abc)
}
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