ActionScript 3.0 :: Accessing An Instance Of A Symbol?
May 11, 2010
I have a symbol (of type movie clip) which is exported for action with AS3 as, say clsAux. From an AS file, I extend this class to program some methods to interact with it The movie clip has, inside, an instance of another symbol, and the instance is called objAux2. The problem I have is that, from code, from the class which is extending clsAux, I can't figure out how to access objAux2. I have tried, from clsAux, to make the movie clip gotoAndStop the frame where objAux2 is instantiated (where the keyframe where it is created is) and then access it like this.objAux2 (error), this[objAux2] (error)... is there any way I can access the instance of a symbol from code?
I have a project in Flash Professional CS5 and ActionScript 3.
I have a movieclip symbol (referred herein as "background" with scripts on various keyframes inside of that symbol. I need to hide or show another symbol (referred herein as "object") sharing a stage with "background".
To put it another way, I need "object" to be hidden when "background" reaches a certain internal keyframe. However, as "object" and "background" are both children of the same stage, how do I do this?
I have several symbols in the library (using Flash CS5), and all of these instances have a custom base class set with a method (lets say x()). I have the symbols already positioned on the stage using the IDE, and I wanted to access them through as3 and run the method. I understand that you can instantiate a new object of an item in the library, but how would I access the object that are on the stage already?
var objectList:Array = new Array(); objectList.push(InstanceName1); objectList.push(InstanceName2); objectList.push(InstanceName3); objectList[0].x(); //trying to run the method on the existing Symbol
However, flash returns an error saying that the object does not have method x(). Also looking through the debugger, it doesn't seem like the item pushed is an instance of the base class, rather it says (prototype). This works of course if I were to create a new instance of each, but I would rather access the ones that are on the stage already.
well, i want to make an event occurred when object X hits any instance from a certain symbol Y lets say there's 10 instance of symbol Y rather than naming each of the instance obj1, obj2, etc and making a hitTest event for each of the instance, is there a way to make this event occurred when object X hits any instance of the symbol Y?
i'm trying to change the color of a graphic symbol instance, several times across the movie clip timeline. (the symbol is also rotating across the timeline.) for each keyframe, when i double-click on the graphic symbol, break apart and then change the color in the properties panel, then go back to the movieclip timeline, ALL the keyframes with that symbol has changed colors and not just the one instance on the keyframe that i'm on.
that symbols dramatically reduce the document file size. But, what if only one instance of a graphic symbol is to be used? Can I just use pure bitmap graphics from the library and not symbols in that case?
I'm just starting out with flash and I have a pretty simple question (I think). I was looking at this tutorial: [URL] ...th_slider2.htm and.. I was wondering why would we reference a symbol name sometimes and then other times we would reference a instance name. For example, in the example above in the actions layer we have this:
Are symbols only supposed to be used when you need 100% exact copies of an object? So if you need to animate an instance of the symbol you can't use the symbol? Is that correct?
using AS to draw a shape, or loading in external files to a MC, etc. Basically, they're all overcomplicating it, as far as I'm concerned.
All I want to to is create an instance of a symbol on my stage.Let's say the symbol's name in the library is "picture_mc".How can I create an instance of that on-stage using AS2?
I have a variable called "framenumber" and a movieclip(drawing) with six frames. Each frame of the movieclip has another drawing in it.In the main movie, this movieclip exists over several frames and keyframes. I even do a motion tween with the clip. Now what I want to do, is change the value of framenumber (for example 2) and then do a drawing.gotoandstop(framenumber). So then, the drawing in frame 2 of the movieclip should be shown. But here comes the problem. If I do that,the drawing (in frame 2 of the movieclip) only appears in the frame of the main movie where I put the drawing.gotoandstop(framenumber) command. But in the other frames of the main movie, the initial drawing is kept. How can I let the drawing change everywhere where the movieclip exists? So actually I want to know how I can change every instance of a movieclip, no matter where it is in the movie. Or maybe there's a way to change the (library) symbol itself, so that every instance of it changes along with the library symbol?
I use a .png sequence for a sprite (primarily because it has the alpha channel) I will use in flash... its a walking animation of several frames. I make an empty symbol, load the frames into it. I put the symbol in the canvas. It animates fine and the alpha channel is working. Now I try to make a motion tween of the symbol instance, so as to simulate the walking movement, from one point to another. I playback [ENTER] its working fine, just as I want it.
Now if I do the [ctrl+ENTER] preview or export, the motion tween is working, the sprite is moving from point a to point b BUT the walk animation is NOT WORKING. Its just showing the first frame in the image sequence! Am I missing out something to make the image sequence animation work like it should? I tried to do the exact same thing to a movie clip (MOV) it works... but with the png image sequence I am really puzzled.
I selected all my stuffs & make them into a symbol and when i break the symbol up all the instance name was removed. Is there a way to break up the symbol without removing the instance name?
I have a symbol that I have already used and I would like to use the same symbol in another frame(s), except that when i edit the symbol the original object also edits, for example if i delete a part of it, it also deletes in the object that I have already placed, I have tried the 'duplicate symbol' method but nonetheless my symbol still gets modified and changes the way I want it to show it in certain frames.
I want to declare a variable in a class for an instance of an object that was added in the Flash IDE.
Example: I have symbols for several types of panels that all subclass Panel. To each panel symbol in the library, I add a button and give it an instance name "defaultButton."
This is really convenient, however, I want a defaultButton property for for my Panel class, and cannot find a way to do it. If I try adding a defaultButton property it throws errors:
ActionScript Code: public class Panel: extends MovieClip{ public var defaultButton:Button; //as an example. Getters and setters also don't work }
I also cannot check for the existence of defaultButton in code: ActionScript Code: public function GetDefaultButton():Button { if(this.defaultButton) return this.defaultButton; else
Throw new Error("Panels are supposed to have a Button instance named 'defaultButton' added using the Flash IDE"); } ...possibly undefined error.
Is there any way for my class to enforce/ recognise the existence of the defaultButton instance added using the IDE in my Class?
I'm building a platforming game using AS2. I just got collision detection working between my character and multiple instances of an object. the different collisions (top, left, right, and bottom of platform blocks) are determined by a single symbol with 4 instances named for the different sides. this is good if i only want to have one block. is there a way to reference the symbol name in the actionscript or to have multliple instances of the same name to actually work?
I know this is one of the most basic things, but I am having trouble adding an instance of a symbol to the stage with action script in Flash CS4. I have a "fireball" symbol and at the beginning of my code I say: var myFireball:MovieClip = new fireball; addChild(myFireball); But it says : "1180: Call to a possibly undefined method fireball."
So I have a button on which I create an instance of a symbol, I'd like to have a listener for the new symbol but I get a reference error because it compiles the listener before I get to create the instance. What do I do?
I have a symbol called s1 in the library and I also created an instance of it on the stage on the first frame, its name is myS01Before I linked the document to a class (this was for youtube player) I was able to add event listeners, such as mousevents, onto this instance in my actions panel. But, after I linked my document to the external class in a package without a name, I cannot add any code into Actions panel, because it gives me all kinds of weird problems.Instead I am trying to use this symbol and add listeners to it in my external class file (the one linked to the document) with no luck.my external class file looks like:
I bought Flash recently and I'm getting started on making a game, a platform shooter game, thing. What I have, is a button on the main stage that I want to activate a function in an instance. But that instance is inside a symbol. So it's Stage->Character->Gun. But if I put down:
Shoot.addEventListener(MouseEvent.MOUSE_DOWN, Fire); //Shoot is the button on the stage function Fire(evt:MouseEvent):void{ Derp(); //This being the function I want to be activated }
This is the code in the Gun instance: function Derp():void{ //epic code goes here }
It will give me an error saying "1180: Call to a possibly undefined method Derp." So basically it's telling me it can't get to this code because it's not on the same stage. How can I get an instance to be recognized by all code in my project, regardless of we're it is in the project? I want to keep all my symbols where they are, so external ActionScript file won't be good if I have to recreate the object on the stage.
This is a very basic question. I'm rather new. Just wondering how one creates and manipulates dynamic objects, when they were designed in the library- not dynamically.
I want to make symbols in the library (linked to classes) and then dynamically create them and manipulate them in the actionscript code. But when I create them in the code, any instance names of sub-symbols cannot be referenced...
The instance name is "instance244" and not "leaf_text" which I set under [properties>instance name]
How would I reference a button instance on the main timeline in the actionscript within a movie clip symbol?For example: btn1.addEventListener (MouseEvent.ROLL_OVER, main1Over);where btn1 is an instance of a button on the main timeline but is not found within the symbol itself.I will then be dragging that movie clip onto the main timeline when it's finished.
I created a button (button symbol), inside this button symbol there is a vector shape which will change colours in mouse over and a dynamic text field. i want to use this button symbol in more than one locations in my stage. so i need to change the label of these instances (by changing dynamic text ). but i can't access the dynamic text in as3 using following code,
btnsample.txtbtnlabel.text = "button label"
this code is working fine for a movie clip symbol but not for a button symbol.
In a flash project, I am loading an external SWF that has some symbols in its library exported for ActionScript. I need to create instances of those symbols but, since it's a loaded SWF I don't have direct access to that classes.
I have two flash files (say screenOne.fla and gameA.fla). After importing the main symbol of screenOne.fla into gameA.fla as a movieclip symbol (call it screenOneSymb), the simple buttons in the instance of screenOneSymb do not work. By "do not work" I mean they have no rollover, not mouse action, nothing. If I go into the edit "screenOneSymb" in gameA.fla and turn on "Control->enable simplebuttons" the buttons will work while in edit "screenOneSymb" but not on the main flash stage. I've worked around it, but this is driving me crazy. How do I import multi-layered movieclip symbols (with buttons and animations, etc, etc) and get them to work out of the box?
I have a movie clip which animates out and then places an input textfield on the last frame for the user to type in to. The main movie clip is controlled from external ActionScript. Once the last frame hits and the input field shows I want to focus the users cursor with focus(); but I can't figure out how to call to that TextInput from the time line. mytext.focus(); ???
I want to make a new instance of an existing symbol (movie clip or graphic) when an object hits the side of the stage. I have the code to figure out if it hit the side of the stage, i just need to know how to make a new instance and make it show up where the ball hit. I also want to be able to have multiple of these instances on screen.
