ActionScript 2.0 :: MovieClip With Linked Class And Initialization Parameters
Apr 27, 2006
So I have a movieclip that I want to play nice with my class file. So I set the linkage and all that and it works. But, my initialization function gets called with no parameters, because I have not set any. How do I do that with this method?
I've tried something like:
Code:
import tab;
tab1_mc = new tab("left", 5, 55, "testclip.swf", 0);
And that sets the parameters, but not before the linkage on the MovieClip fires. how to get the best of both worlds?
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Oct 8, 2011
I am making a game in Flash CS4 using AS3. This is the point. I have a MovieClip called Menu which holds a button with instance name ButPlay. Menu MovieClip is linked to Menu.as script. This is whats inside the Menu.as:
package
{
import flash.display.MovieClip;
import flash.events.MouseEvent;
[Code].....
When i run the animation i get the this error: TypeError: Error #1009: Cannot access a property or method of a null object reference. at Menu()
When i try to trace the ButPlay inside the Menu i get null object.
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Jun 7, 2009
Running Flash CS3, I've reviewed the lynda.com tutorial on building particle systems in ActionScript 3.0 to try and build some shooting sparks in an animation.I'm getting stuck at what I think is a really elementary point, but I can't seem to get past it.
Basically, all I'm trying to do at this point is create a class called Particle (which I will teach to do things that particles do a little later) link it to a MovieClip on the stage in my .fla file and use the particle's update function to move it across the stage in a manner defined in the instance (so I can later give different movement properties to each AS generated instance of the MC). I know there are easier ways to accomplish my base task without loading an external package, but this seems so strightforward that I must be doing something very simple wrong I just can't see so I thought I'd post the code here and see what I'm missing.
I start with a file called Particle.as in the same folder as my Spark Test.fla file.
In Particle.as I have the following code:
package{ import flash.display.*; public class Particle extends MovieClip { public xVelocity:Number; public yVelocity:Number; public function Particle() { xVelocity = 0; yVelocity = 0; } public function update():void { this.x += xVelocity; this.y += yVelocity; } }}
So I'm declaring that all particles are built with no motion, but if they are explicitly granted an x or y velocity, they will move by that much when the instance's update function is called in the timeline.
Then in my Spark Test.fla file, I have a small shape in a MovieClip called Spark. In the Linkage properties of Spark I have chosen to Export for ActionScript and Export in FIrst Frame. The class is called Spark and the Base class is Particle. For testing purposes I've dropped an instance on the stage and called it spark. Then in the actions layer in the first frame (the timeline is just the spark layer and the actions layer, one frame long each with no "stop();" so it should run forever) I have included the following code:
spark.xVelocity = 5;spark.yVelocity = -1;
function updateSpark(event:Event):void{ spark.update();}
addEventListener(Event.ENTER_FRAME, updateSpark);
What it looks like this should do is on each ENTER_FRAME Flash should call updateSpark which is a function that runs the update() event for the spark instance which is a instance of a movieclip that has an update event which moves x and y position by their relative velocity variables. This all seems pretty straightforward to me, but when I ctrl-Enter to test the movie, I get the following 3 compiler errors:
Particle.as Line 1: 5000: The class 'Particle' must subclass 'flash.display.MovieClip' since it is linked to a library symbol of that type.
Particle.as Line 7: 1071: Syntax error: expected a definition keyword (such as function) after attribute public, not xVelocity.
Particle.as Line 7: 1084: Syntax error: expecting rightbrace before semicolon.
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Feb 21, 2009
I have two questions.First: I created this class, which supposed to create sort of 3D cube
Code:
package
{
[code].....
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Nov 12, 2011
There is a library component represented by Class A. But constructor of this class requires some parameters. When the component needs to be added dynamically, it's fine because of code :
var abc:A = new A(param1,param2)
But what if my movieclip is already present on the stage. I notice it gives out error, that the parameters are null.
Is their any way to insert constructor parameters for movieclips already on stage.
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Dec 3, 2008
I have a scroll file, taken from a tutorial, which is linkedto a class. After having customized my file I did try it and itworks fine. The problem is starting when I try to import this fileto an empty MCL in my website. When I have imported all theelements they do not respond and act like single pieces (es. thescroll bar is detached from the scroller). What can I do?
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Jul 5, 2011
how do i get more than one symbol linked to my class in my SoundClass.as file?
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Nov 29, 2011
How can find out the linked url of the image in the flash of a website? I looked for the image url some time. but couldn't find itif find the linked url of the image, and i want to alter an image linked url address. where is the code in?
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Feb 23, 2011
I have a FLA file that has a AS file linked via the document class.
How do I remove the link from the documnet class and the place an import on the timeline to do the same thing ?
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May 28, 2011
How can I convert a string to a class without getDefinitionByName because that class is not linked to a library item and getDefinitionByName only works with classes that are linked to library or allready initialized! Is there a way? Or I have to initialize every class I want to use?!
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Jun 28, 2011
I've got a linked class, with an external .as file, tied to a movie clip called "Menu" in an encompassing fla. In this actionscript file, I am trying to pull some information from a few things I made with the flash authoring tool. There are a few symbols on stage in the fla that I drew with instance names "greensboro" and "birmingham", and I want to get their x-position inside some functions of the linked class. I've tried returning a value from "greensboro.x" but of course it says the variable greensboro doesn't exist, because I haven't defined it in the class. Surely there is some way of getting that info in a variable of my linked class!
Edit: here is some code to show what I've tried(cutting everything else). This is in the .as file of the linked class:
package {
import flash.display.*;
import flash.net.URLRequest;[code].....
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Nov 28, 2007
I'm trying to link a clip to a class, and it goes well until I try to access MovieClips or TextFields placed on the stage within that clip from code in the class. My code is below; there is a TextField called output_txt on the stage within this clip.
class Main extends MovieClip{
public function Main() {
//trace("123"); <--if I replace the line below with this, it traces nicely
output_txt.text = "123";
stop();
}
}
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Sep 28, 2009
created a mc in library, gave it classname...everything works, can access it by var asd = new classname();
created classname.as with classname class as i need to add variable to the movieclip and getting error 1180: call to possibly undefined method "classname".is there any difference in a class if it's a library element?
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May 18, 2010
I'm creating a slideshow where each slide can have:- a video or a still- 1 audio track or many (up to 3)- 1 button or many (up to 3)I was thinking that each slide can be it's own object, and then I would pass the video, audio, buttons, etc., into it as parameters:
package
{
import flash.media.Video;
[code].....
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May 30, 2011
i d like to publish an animation without taking care of the class linked to th movie clips.
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Nov 24, 2006
I've found several threads on the MOUSE_UP "problem" with AS3 where onReleaseOutside, in its AS2 form, doesn't work. The solution being to add a MOUSE_UP event to the Stage.
Question is, if I have a slide-bar class, a simple dragger, its it happens to be added to a movieclip thats in another movieclip etc, do I have to adjust my class continually so that I use: this.parent.parent.parent etc. to get to the Stage to set this listener? I can't just set it using Stage.addListener.
I think this looks cryptic - but to those that have run into this specific MOUSE_UP issue, I'm sure this will look familiar.
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Mar 7, 2010
I have a problem where I can't detect the end of a movieclip in my project.
I have the FLV video linked for actionscript, so that I can control it dynamically with a few other things using AS3.
[Code].....
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Jul 27, 2009
On the mxmlc command line, I can include paths to RSL files. I can choose to link these RSLs at runtime by setting
-static-link-runtime-shared-libraries=false What if I need to link to some rsls and embed (static-link) other rsls? Is there a way to set the link settings for each rsl?
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Apr 6, 2009
I am dynamically loading external SWFs in a Main Fla in response to clicks on a menu.
The loading code is standard and works fine for all of the SWFs except one. When I try to load it I get the following error: Error #2044: Unhandled IOErrorEvent:. text=Error #2035: URL Not Found.
I am certain that the URL to the problem SWF is correct. The SWF itself doesn't load any other SWFs or images. The problem SWF is linked to an external class file and compiled with it. i.e. in the properties panel of the main timeline of the problem SWF's Fla I have entered the path to the external class.
1. there is no problem compiling this SWF with the class (it works fine by itself)2. if I remove the external class from the properties panel and don't use it the resulting SWF imports without a problem into the Main Fla mentioned before So the problem seems to be the fact that the external class is linked in the properties panel. Is this a path problem?
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May 4, 2009
Put a bitmap inside a clip linked to a class. do
[Code]...
Even more interestingly, you can make this even more perverted by doing
[Code]...
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Jun 7, 2011
I have several movieclips on the stage. They are linked (via properties - as linkage) to a class I created (GeoPuzzle).
The constructor calls several methods and has several properties that I set in the main timeline.
These methods are never accessed. I'm missing something obvious, but I don't know how to make these methods run, since they are in the contructor.[code]...
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Jan 11, 2011
I've seen people explain how to remove a script created movieclip or shape from memory but what about when you link to a movieclip in the library?
Do you remove that from memory in the same way?
For example would the code below remove this clip from memory?
Code:
// I want this out of memory when the button is pushed.
var my_clip:my_clip_link = new my_clip_link();
addChild(my_clip);
[Code].....
When I test it, it does not show it out of memory on my computer but I read that the GC cleans up when it wants to, so I put in System.gc() to force GC, but I don't see any memory change in the debugger.
Also if I put a stream sound in the timeline of my linked movieclip it keeps playing the sound. If it's not in memory anymore how is it playing the sound? Did I open a portal to another dimension?
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Feb 10, 2010
(Spoiler alert: It's not an issue of my package statement not reflecting the location of my class file.) When I have a class linked to a MovieClip in my library and that class takes an argument in its constructor method. That class will compile properly ONLY when it's located in my top-level directory (same dir as the .fla and Document.as files). If I move that class to a deeper directory, say com.place, the compiler will generate error "1136: Incorrect number of arguments. Expected 0.
[Code]....
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Apr 25, 2010
Im using Flash 8 to make a meny for my webiste. When you point whit the mouse on the meny it will scroll down, and if you take it outside it will scroll back. But im facing a problem When i try to put buttons or linked text into the movieclip, they just wont work... Anyone know what i have done wrong?Here you can download the movieclipHeres the code.
on (rollOver) {_root.html.gotoAndPlay(2);}on (rollOut) { _root.html.gotoAndPlay(7); }
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Jun 23, 2010
Is it "better" to initialize AS3 class variables in the class constructor? Or can I just initialize them to their default value when I declare them at the top of my class? I ask because when there's a lot of class variables, it appears inefficient to declare them in one place and then initialize them in another when I could easily do both in the same place. It one option is better than the other,
[Code]...
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Aug 28, 2010
i've been all afternoon trying to figure out a solution to my problem, and I can't seem to find it, or cannot implement it. Let me lay it out for you: I have an actionscript file linked to a movieclip. (movieclip:skate class linked: generic_skate).I have it set up that way so I can create an array of skates easily (i'm using a for loop to create them), and each skate has its own attributes (name, description, price and the image that is supposed to go on the deck)In the stage, i have three text boxes, one for the price, other for the name, and another one for the description.In the generic_skate class, I'm handling all the mouse events (in this case mouseOver and mouseOut.
What i want to accomplish is: when the user hovers over a skate, the info shows up in the text fields and when he hovers out, the info goes away. My problem: Since I'm doing all the mouse interaction in the class file, my guess is that I have to access the stage to get to the text boxes that are placed there to change its info or somehow create a "middle" man to do all the handling.
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Sep 5, 2011
Here is the title error with complete paths:
\psfHomeDropboxDevelopmentRepositoriesGITi-ccPowerhouseNotesmasterflashliblibnoteNotesCore.as:1: 5000: The class 'lib.libnote.NotesCore' must subclass 'flash.display.MovieClip' since it is linked to a library symbol of that type.
Firstly, what I have tried and what I am using:
[Code]...
I am mainly from a Java background, so perhaps I am misunderstanding an ActionScript concept; if anybody could point me in the right direction I would be extremely grateful!
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Nov 15, 2011
I am having an issue with compiling a .swf. I get the following error on what seems to be related to the images. There is about 40 that are all very similar the the error code listed below:
5000: The class 'com.decalmywall.Emb_EMB_BORDER' must subclass 'flash.display.BitmapData' since it is linked to a library symbol of that type.
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Apr 16, 2011
quick question:Is there a better way to do this?
public class ribbon extends Sprite {
private var fallAmount,taper;
public function ribbon(FallAmount=50,Taper=0.2){
fallAmount=FallAmount;
taper=Taper;
}
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Jul 1, 2009
How can NetStreamInfo class's parameters be read. I mean, I have an application to perform live streaming. I have used 'nc' as my Netconnection object & 'ns' as NetStream object and nsi as NetStreamInfo object. When I Type 'nsi.' I see lot of attributes but when I try to print it using
[Code]...
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