ActionScript 3.0 :: Number Of Elements In Array - Length Property Doesn't Work
Feb 3, 2010
I am using an array to return data to an application and as the array is filled with data using a loader and the order is important it happens that data in slot n is inserted later than data in slot n+1. How do I know that the array is full as I know the number of elements to be loaded? The length property doesn't work for this. I could go through the array each time I put something in and look if every slot is full but that seems ineffective.
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Mar 9, 2011
Let's say I have array foo and a positive integer y, where foo.length > y.I want to remove elements from foo so that foo.length becomes y (or very close to it).Also, I need to preserve the first and last element of foo. The indices of the removed elements must be spaced apart as equally as possible. Foo can be sliced, or it can be used to create a new array.
Example: if foo = [a,b,c,d,e,f,g,1,2,3,4,5] and y = 6, then trimmedfoo could be [a,c,e,g,2,4,5] or maybe [a,c,e,2,4,5], but not [a,c,e,g,2,4] because the last element of foo is missing.
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Jul 3, 2009
In below class I ave declared an array "selectedOptions". In click event Im storing the values in it. But everytime I click on the object the array gets initialized and stores the clicked element rather storing all the elements one by one. Could you tell me the reason?
[Code]...
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Mar 15, 2005
How do I set the width of the array and length and set each of the values in it to the same number. This is for a game I am working on. I know you use for loops to find the x and y of the values... This doesn't work, but think its how it suppose to work.
Code:
_global.ymap = 4;
_global.xmap = 4;
for (y=0; y<_global.ymap; y++) {
for (x=0; x<_global.xmap; x++) {
_global.map[y][x] = 1;
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Mar 15, 2005
Q. How do I set the width of the array and length and set each of the values in it to the same number.This is for a game im working on. (Tile like you could of guessed.)
Note: I know you use for loops to find the x and y of the values... This doesnt work, but think its how it suppose to work.
Code:
_global.ymap = 4;
_global.xmap = 4;
for (y=0; y<_global.ymap; y++) {[code]......
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Mar 16, 2011
If I am a subclass of an Array, how do I access an element?
class ArrayOfFoo extends Array
{
public function getFooAt(anIndex : int) : Foo
{
return this[anIndex] as Foo; // <---- looks for an object attribute (named "0", for example)
}
}
I could wrap an array instead of subclassing it, however lacking a universal IArray interface, that is less than useful for standard and custom functions expecting an Array.
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Jun 1, 2011
If I had some numbers in an array, and wanted to calculate how many were below a certain value?
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Jul 8, 2011
Say you have a class Parent, which has a property childArray:Array. In this array, we will register several instances of the class Child. Is there an easy way for a child to know which position in the array it currently has? I know I could just pass the index number into the child as I register them, but if a child were to be deleted from the array, all children past the deleted childs index would need to have their indexes updatedl. While this is of course not a huge task, I just have this feeling it should be a better and more dynamic solution.
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Aug 10, 2007
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Feb 3, 2006
I just read the tutorial "Finding Values in an Array". Sure, the code works, but that's only because we are searching arrays the contain a small number of elements. Suppose we have n elements in an array. To search that array for a particular element we may have to do n comparisons. If the array we are searching contains 10 million elements, we have a problem; can you imagine doing "if (this == that)" 10 million times? There's got to be a better way to search the array. Or perhaps we shouldn't use arrays to store the information.
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Jun 5, 2006
I have an XML file i'm importing into Flash then creating a variable value called 'xmlMonth'...if I trace this value I get '5' so I know its getting imported ok. The problem I'm having is when I try to create a new Date with this value, my bits of code look like this...
[Code]....
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Sep 15, 2010
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Code:
public function BrokenItem(originalImg:Bitmap,fixedImg:Bitmap)
{
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The following the itemRenderer:
<?xml version="1.0" encoding="utf-8"?>
<mx:Label
xmlns:mx="http://www.adobe.com/2006/mxml"
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Jan 6, 2010
I have a TextField that has been populated with html text, which includes images using the <img> tag. I don't want to display these images to the user, however when I apply a StyleSheet with the img tag having the display property set to none, it doesn't appear to work.
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Sep 12, 2011
Im trying out some basic OOP.. and cannot understand where I am going wrong. It works within the timeline - but when I transfer to Packages It doesnt work where concerning the property of the bitmap. I have a 'MyClip' instance in the library. here is my bask Document Class package::
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Aug 12, 2010
I've got on main timeline (on frame 10) buttons, when I click one of them it goes to its currentLabel"". On curerntLabel at frame20 "racerButton" where I've got some tweening. At currentLabel "boardButton" at frame30 I load external swf. The problem I've got is when I press any button everything works fine. But when I first press button "boardButton" at frame30 the ext.swf shows up fine, but when next I click the button "racerButton" at frame20 the tweening doesn't work there and it gives me error
[Code]....
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Dec 16, 2004
I am trying to get the length of arrays within an array, here is my example (MX 2004):
[Code]...
I get an output of of 3. the number of variables within the first array, this is not what I had expedted.
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Feb 4, 2006
if (t1 or t2) = ar[0] or ar[1] or ar[2]
ok = false
else ok is true
[code].....
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Sep 11, 2010
I've been trying to remove duplicates from an array for a while, or even preventing them, and I'm having nothing but trouble.There's a lot of code to go through.I'm creating an array with objects inside it like so...
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private function getJsonResult(event:Event):void {
//ta.text+=http.lastResult;
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Jul 21, 2011
I have a drag and drop game. You listen to a sound for exampl "bread" You proceed to drag that mc to a box. If it is the right object I want to remove that mc and splice the array so it doesn't choose that object anymore. However I have notices two things.
When I splice(0) a specific element - then nothing works. When I splice the cuurent indexed element ie: the last element to get right - it doesn't actually remove it from the array. I have highlighted the key code parts.
[Code]....
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Oct 1, 2009
does anyone know how to shift all the array elements by one or more without deleting the array itself?
Something like rotating the array:
1,2,3,4,5,6,7,8,9,10
10,1,2,3,4,5,6,7,8,9
9,10,1,2,3,4,5,6,7,8
8,9,10,1,2,3,4,5,6,7
7,8,9,10,1,2,3,4,5,6
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Dec 7, 2011
[code]I want to input a number and find a match for the number, returning the values on the row in to specific fields for each number. For example, if I input the number 10 in an input field, I want the number 1.2276, 0.00100, 106.38 and the rest of that row to output these values I have seen so many options, don't know where to start.
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Oct 8, 2009
I'm using the .unshift method therefore the newest values go into [0] and the rest are pushed down.
What is a good method to remove a value from an array once it has passed a certain length? For example i only want my array to hold 5 values.
Also, is there a method for clearing the entire array, ie removing all values? Or will i have to manually change all the values with a loop?
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Jun 7, 2010
im trying to use array.length to get the total indexs of the array, before running a loop on all of thoes indexs when i attempt to do this(i added a few extra things for the sake of debugging and understanding)
ActionScript Code:
var selectcharacternames:URLVariables = new URLVariables(evt.target.data);
trace(selectcharacternames)[code]....
does array.length not work with url variables is it possible to turn url variables into a array(im assuming it is not a array as a reason why this doesnt work)
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Jul 29, 2009
I have a Flash based media player loading mp3s at 22.050 khz, and for some reason the length is being reported as a little over twice what it should be. Is there anything I can do, short of dividing the results by 2?
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May 17, 2010
I have two values which are both ints: val1 and val2.
I set a movie clip's width equal to the difference of the two values:
mc.width = val1 - val2
After doing this calculation, the width of the object is 149.9 when it should be 150. This happens for other values as well. When I trace(val1 - val2), it returns 150.
What seems to be happening is the width value of my movie clip is not adjusting correctly. My movie clip is composed of a bunch of bitmaps and filters. I didn't think this would be a problem, but when I switched it out for a plain shape, the problem went away.
Is there something funny about bitmaps or filters that would make the width value screw up by .1?
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Feb 6, 2009
I'm trying to parse some simple XML and use it to render some controls, its all going so well. I'm having some trouble with E4X and counting the number of nested nodes within a certain child...code is as follows....
Code:
<questions>
<question>
<label>History of Smoking</label>
<value>3</value>
[Code]....
The Alert keeps coming up as 1. I read in the documentation that this will happen with XML objects but it is working when I create the XMLList and counts the number of questions I have. The code is working except it is only rendering 1 RadioButton, very sad. I suppose I could put the number of options within the <options> tag but I'd rather do it dynamically to avoid errors.
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Nov 12, 2009
I would like to put an eventListener on an ArrayCollection's length proprety, but I don't know how to go about this.
I want to do this because I only want code to execute when a certain number of things are in a certain ArrayCollection. I want Flex to wait to execute this code over the next object until that length property drops back to an acceptable level. I think I should do this with events instead of a while loop that sits there spouting NOOPs forever (which I don't know how to do either).
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Sep 30, 2009
I am looking at "length" property in the Adobe AS3.0 language ref as I do not understand it. It says: An integer specifying the number of characters in the specified String object. (I understand this). Because all string indexes are zero-based, the index of the last character for any string x is x. length - 1. (I do not understand the "- 1". I understand that all string indexes are zero-based but I cant put this together with the last character for any string being -1 or whatever it is saying.
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