How can I test to see if the Class of an instance is the correct one? Say I have two Custom Classes, Circle and Square. How would I make it so that if the class of instance one is Circle, a specific function is carried out?
View 1 RepliesI have a base class which is being created via remote_object [RemoteClass alias] from the server.I have other specialized classes that are derived from this baseclass, but serialization with the server always happens with the base class.The base class has meta data that defines what the derived class is, for example
[RemoteClass (alias="com.myco...')]
public Class Base
{
[code]....
I'm basically sending some variables to a php script from flash and then returning some values back to flash from the script. The problem is that the values returned to flash are appearing correctly but do not test correct. My actionscript and php scripts are below (just samples displaying the the mechanics of what i'm trying to do):
[Code]...
I'm using a library that has a function that returns an instance of some class Engine.
I'd like to tack on some interfaces to Engine, so I subclass it class InterfacedEngine extends Engine implements AwesomeInterface. but when I change the code that uses the classes from this:
var engine:Engine = generateEngine();
to this: var interfacedEngine:InterfacedEngine = generateEngine();
It gives me a runtime error (elision mine):
TypeError: Error #1034: Type Coercion failed: cannot convert ...::Engine@1bc2bf11 to ....InterfacedEngine.
What about AS3 classes am I misunderstanding?
I have to admit I pretty much ran away from Flash when AS2 came along and only used it for animation purposes over the last 5 years.So I'm having a major crash course in AS3 in Flash CS3 and I'm not enjoying it one bit. I'm getting maybe 10mins of finished work per hour as I try to figure out the limits and rules of AS3. Quite often it seems that AS3 simply can't do what I want it to. Anyway: Characterchecks.as is the main class and it loads a bunch of XML into four arrays. The file starts like this:[code]If I trace the value of, say, cc._Categories from the main FLA, it's empty. I'm guessing that the next line of AS in the main FLA doesn't wait for the previously called function to complete? (This may tie in to my next problem)My next step is that I want to display various things based on the data in the array. I have another class, Display.as which will hold all the functions to create the items on display. I thought it would be best for these to be a separate object. I wonder if I'm right?
So I declare an instance of Characterchecks in the main FLA and call it cc, and then run the functions to populate the arrays... Now I create an instance of Display and call it cd. How can I get functions in cd to see the values of the variables in cc? And if the main timeline can't tell that the functions aren't finished filling the arrays, how is cd supposed to know?I might be asking dumb questions, or maybe I'm doing things ***-backwards, I don't know. I'd appreciate any help, I really would. This whole thing has me at the end of my tether... being the most technically advanced person in my circle of co-workers and web design friends means I have no-one to explain why things need to be done a certain way or what the best way is.
I'm new to Actionscript 3.0 and flash and I'm trying to make a simple drag and drop project that using externalinterfacecall will have javascript check or uncheck a value on a webpage when an image is dropped into a certain box. I'm trying to give myself a solid string to pass through to the javascript however when I do this one way, I get a stack overflow that is as follows :
Actionscript Code:[code]........
I'm using a loop to generate and position a bunch of movieclips on my stage and another to add mouse eventlisteners to them, turning them into buttons.
All this works fine however when i attempt to trace the instance name of the button pressed, output is firing "instance40" or "instance41" etc.
how do i get the correct instance name? I'm attempting to get at the value of the textfield held within the movieclip i.e. trace(evt.target.value_txt.text); however this is resulting in errors.
Is there a standard procedure for generating buttons in a loop? I'm not understanding why my buttons aren't tracing the correct instance names or why i can't access the movieclips contents, specifically the value of the dynamic text field?
Code's below, if anyone wants to see the whole code, or FLA, give me a shout.
ActionScript Code:
var eggs:Array = [];
for(var i:uint = 0; i < 24; i++){
[Code].....
basically, I am trying to create an instance at the correct position. I understand that I will have to utilize globalToLocal() and/or localToGlobal() to get relevant positions, but for some reason, I can't position the instance at the correct location. here is the codes:
parent class:
Code:
//create bullet
bulletList.push(new Bullet(100, 100));
addChild(bulletList[bulletList.length - 1]);
Bullet class:
Code:
x = localToGlobal(new Point(pX, pY)).x;
y = localToGlobal(new Point(pX, pY)).y;
pX and pY are the arguments for the Bullet Class. When I do this, it is shifted over 100, so the absolute position being x = 200, y = 200, and the local position being x = 100, y = 100.
I'm creating a little game - The player controls a character that follows the mouse. Pigs run away from the player, and the player has to get them all into a pen. To make the game a little more difficult I'm trying to add an enemy - wolves, that attempt to perform a 'hunt' method every x seconds. This method sends a reference of the wolf instance to Main (my document class) and Main then loops through the pigs on stage to see if there's any nearby. Now as far as I know this works - my problem is I'm unsure how to send the pig instance reference back to the wolf that called the hunt method, so it can then 'target' the pig, and then attempt to pounce on it.
This is my Wolf class:
Code:
package
{
import flash.display.MovieClip;
import flash.events.Event;
[Code].....
Quick question. I have been Googling this all morning, but it's either not there, or else written in a way that doesn't register. I am inclined to believe the latter, as this seems like it should be something completely trivial to me. I made a small Flash file using AS 3.0, and this is the first time I've really been able to stick to the OOP way of doing things and not hack together a mix of stuff from the timeline to get around not having everything work in the classes.
So I'd like to keep it that way, but one thing is eluding me: I can't call a method of an instance of another class (than the one I'm calling from) without resorting to "DocumentClass(root).instanceName.method." Intuition tells me there has to be a better way of doing this (like, without having to reference the document class every time I call another class instance's function; and CERTAINLY without having to use the word "root" - that just seems so Flash 5 to me. Does anybody have a better way of doing this that they can share?
[Code]....
I have a general / somewhat newbie question. Is it better practice to call a function from another class like so:
[Code]...
Does one way free up more memory or enhance performance?
I'm trying to attach a movie clip to the main stage using:
[CODE]...
However, it ain't showing up. Trace said the movieclip of that name is undefined, despite having the correct linkage and instance name. Anyone know why a movieclip might be MIA?
I just started programming OOP and I'm running into a scope problem. In the following project, I have a masterClass called App. The App-class has Screens:Screen-class and a Navigation-class as it's children. From the navigation class I want to control which screens will be displayed. I don't know how to do this.
[Code]...
Is there a way to generate an instance of a class that implements an interface based on the name of the class?
I am trying:
var ClassReference:Object = getDefinitionByName("movement.OuterSpaceMovement") as IMovement;
var m:IMovement = new ClassReference as IMovement;
trace("startup..." + m);
-But I am getting an error message ReferenceError: Error #1065 (OuterSpaceMovement) not defined.
I have several classes that implement the same interface (IMovement) but I need to be able to generate new instances of these classes and then pass these instances as a datatype (IMovement datatype) to other classes...
So then I tried:
var ClassReference:Class = getDefinitionByName("OuterSpaceMovement") as Class;
var m:IMovement = new ClassReference() as IMovement;
and this doesn't seem to work...but the following
var m:IMovement = new OuterSpaceMovement();
I'm trying to create a new instance of a MovieClip when the original one has been used. Would sound easy enough. Just use: var
instanceName:ClassName = new ClassName();
the class name/mc in the library im trying to duplicate is MCg1 so
var instanceName:MCg1 = new MCg1(); right?
However, the particular object in the library i'm trying to duplicate has a base class that is an external class file (just to control it's drag drop functionality)... i.e baseclass is not set to the standard flash.display.MovieClip, or whatever the case maybe. So i end out with a: TypeError: Error #1009: Cannot access a property or method of a null object reference.
I've done a class to be able to listen to the event for a CLASS not on an instance.
Code:
class net.webbymx.events.XClassEventListener {[code]....
why did I do this.It cames with my rugby game.I have player in two teams. When a player throw the ball I want the other teammate to act like "wait for ball" and the opponent like "seek for ball". Plus I'm lazy (and I don't want to register the listener for each instance of the player I'm creating). So this class is made to be able to handle as many instance of a class I want without adding a listener on each of them. I'm just creating a global listener on the class and then I will be able to receive dispatched event for any instance of this class .so in my team I can do
Code:
XClassListener.initialize(this);
this.addEventListener("throw", "net.webbymx.game.Player", "wait");
and in my opponent team I can do
Code:
XClassListener.initialize(this);
this.addEventListener("throw", "net.webbymx.game.Player", "seek");
In my platform game my character shoots bullets from a gun,these bullets are loaded from a 'bullet' class. A new instance of this class has the variable name 'bulletVar'. I can adjust the bullets x and y position like so:
bulletVar.x = 253;
But I also want to use it in a hitTestObject, I thought that the following code would work, but it does not!
stage.addEventListener(Event.ENTER_FRAME, hitEnemy);
function hitEnemy(event:Event):void
{
if (bulletVar.hitTestObject(enemy_mc))
[code]....
Here's my code to call a bullet:
var bulletVar:bullet = new bullet();
this.addChild(bulletVar);
When you initialize a new object, how can that class have access to a variable from the parent?In this case Blob needs to be able to access scale?[code]
View 2 RepliesLet's say i have a bunch of balls/cells. I'm having trouble figuring out how to make it so that every other ball bounces off of every other ball.
so in short, it's really one instance being able to check all other instances of the same ball class?
When I declare a class variable
private var myVar:MyClass = new MyClass();
It creates a new instance of that class that will trace as [Object MyClass].
However, as soon as I assign it to something
myVar = thisOtherVar;
It will now trace as [Object thisOtherVar].
I need to get it back to where it's just an "empty" blank class instance, if that makes any sense at all.
I'm trying to get the depths of all the blocks to be at the correct levels at the correct times so that the 3d effect is maintained. I've tried many things, but have had little success. All the instances of the blocks are stored in an array, but since it's adding them in accordance with when they're added to the stage, it doesn't help me locate them to swap depths. Is there a way to arrange them by location on the board?
View 4 RepliesGiven that both of these calls to getQualifiedClassName return the same thing (mx:Label), how would one go about programatically differentiating between an instance of a class and a reference to the class...
var lab1:Label=new Label();
var lab2:Class=Label;
var qcn1:String=getQualifiedClassName(lab1);
var qcn2:String=getQualifiedClassName(lab2);
In other words, how could I know that lab1 is of type Label, while lab2 is type "Class". typeof() simply returns "object" for both... getQualifiedClassName returns "mx.controls::Label" for both...
I have a class called Unit. When I use this class in a .fla file, I create it by saying:
var unit00:Unit = new Unit(...);
So then it creates a gfx representation of the screen for me. I would like to have a method like this:
PHP Code:
[code]....
So how do I get this to work? I know that delete this will not work when defined inside the class. How do I target the .fla's instance name when I don't know what it will be called?
I mean a have a class called Login and when I make an instance of this class
PHP Code: var log:Login = new Login();
doesn't give me the wanted results.
- When it is declared Document class it adds a child on stage
- When the same class is called manually (via the above code) although I get no errors nothing is added on stage.
I have a test.fla with a document class associated, say DocTestClass.as. Normally I load the test.swf and DocTestClass is automatically instantiated. But I'm curious. What if I make some other instances of DocTestClass, with pure code, without loading the swf? What are the implications or possibilities?
In fact these questions in turn come from another original question: is it meaningful to make a document class a singleton? Or a document class (as I suspect..) cannot be instantiated more than once and so it's implicitly a singleton?
Im tring to remake most of my projects that i've created so far in class's and packages but it seems to be a mission.
I have the gameMain_Controls class which is the linkaged to the actually fla.
then i have a custom cursor class and a char class the gameMain_Controls pulls objects into the stage as children of the background fron the char class.
now my problem is to get the cursor to hittest of mouse over and at least do a trace out put:
code im trying at the moment which is also in a different class ...called the rollOver_Controls:
if (flap_Control.flap.hitTestObject(Dino_Control.layla))
{
trace("lal hit");
}
[Code]....
but the hittest jsut never occurs im guessing the problem is which the location of the object, the container i mean ...but when i try to link it that way i get even more problems
Basically I'm trying to use localConnection to determine if two or more instances of the same swf are running. If I set this code up on the main timeline of the fla it works:
ActionScript Code:
var conn:LocalConnection = new LocalConnection();
conn.client = this;
try {
[code]....
Then it fails, all instances print 'connected'
I was trying to make a test with a class menu, but I have 2 problems: one is I can't change the name of menu, like home, links, contact, and other one is the pictures on line, I can't see them into the boxes. [URL]
View 1 RepliesI'm having a problem where I can't make an instance of a class in one class like I can in other classes all in the same package. When I call the update function from another class it doesn't work. I traced the xPos of the instance of the class I was talking about and I get zero, but that is incorrect so I'm thinking it's the above problem. If anyone knows what the problem is please tell. Here's my code:
[Code]...
I'm creating a Papervision3D scene in a document class. I have added an instance of a PointLight3D object. I'd like to create a class that uses the light instance in the main document class for its material. What would the Actionscript be to do this? I can't refer to the light as super.light because my class is inheriting the Sphere class. parent.light does not work either (even if I wait for the class to be added to the stage).
View 2 Replies