ActionScript 3.0 :: Naming Conventions For Reference Variables?
Mar 25, 2010
If you have ClassA and ClassB, and ClassB contains a variable that references an instance of ClassA, what naming convention do you use for that variable in ClassB?I have used "classAReference" and "rClassA".
In 90% of the example projects I see for ActionScript / Flex I notice the following two coding conventions: 1) private member variables with getters/setters start with an underscore as in "_credentials" and 2) interfaces start with the letter "I" as in "ISessionInfo" Coming from the Java world, I find both of these conventions unnecessary and annoying. I am about to start a new Flex project and was planning on NOT following these conventions unless they are truly are widespread, standard conventions in the Actionscript/Flex world.
Since there's so much potential pollution within namespaces, particularly with the parser automatically declaring any MXML component with an id to be publicly-accessible using that ID I'm finding it dangerous to use just camelCase for MXML element ids. eg:
[Code]...
In Flash development, a lot of us did this for (automatically) declared stage instances like "mcMyTabBar" or "navMC" or "playPauseBTN". I'm looking for input from the Flex community about this. Am I just overthinking things? All of the related Style Guides and best practices documents I've read on the topic just say "use camelCase for ids, and make sure the id property is the first property". What's your take?
I received help on this site on this info-graphic im doing and the solution was to use an "array" which im not familiar with at all. the person that helped me added the following code that worked:
var city_arr:Array = new Array("louisville");//filll that array with all nedded cities//make all the boxes invisible at startfor (i=0;i<city_arr.length;i++){ var [code]...
since i dont know how to use arrays im stuck. i need to add at least 30 more cities to my info-graphic but don't know how to use the naming conventions of an array.Only one of the houses works (when you click on it a pop-up appears, is draggable and has an x to close the pop-up)
I created a slot machine and it works properly but i need it to do more. Currently when you spin the Reel, if you get any 4 of a kind its a jackpot. I need it so if you hit 4 "7's" lets say its different than hitting 4 "Bar's".On the main reel I have 4 frames with movie clips, each having a different (chip) and the end. I have set the random() function on them so it is completely random on how they hit. So my question is...how do I set a variable name for the frames so I know that frame 1 is a "bar", frame 2 is a "7", frame 3 is a "cherry" and so on. That way when I write the "if" statements, I can compare them so a "7" is better than a "bar".
I had a bunch of movieclips on the stage and each of them gets assigned a variable called "clientName" onLoad.
I want to later reference the movieClip whose clientName was "foo" and changes its color, move it, make it bounce, whatever. It seems like it should be possible, but I don't know the syntax.
I've had this problem with Flash for awhile now and I've always been able to find a way to work around it, but this time, I think I'm just going to have to figure out a way to do it. Say I have a bunch of movieClips on the stage that have text fields in them that have data dynamically assigned to them from an SQL database. Once I've assigned data to these fields, can I reference a certain movieClip that contains a predefined value within its text field?
So, if I had three movieClips on the stage, with textfields in them that have the values "500" "600" and "700" is it possible to just reference the movieClip whose textfield currently says "700"? It doesn't have to be a just a textfield, either. If I could reference them by variables assigned to them. Like, it I assigned them a variable called "id" and the values were "500" "600" and "700" would it be possible to just reference the movieClip whose "id" is "700"?
As primitives are copied as 'value' not by Reference, this doesnt work:
ActionScript Code: var myPrimitive1:int = 10; var myPrimitive2:int = myPrimitive1; myPrimitive2 = 20; // i want this to affect myPrimitive1 too
My goal is to pick a random property on a data Object() and alter that. My approach was to put all the Objects properties into an array, and then randomise that array, and pick the first element. The only problem is of course that, that element is no longer a Reference to the original, so If I change that it wont alter the original...
ActionScript Code: // Create Data Object var myObject:Object = new Object(); myObject.primitiveVar1 = "string1";
It took me hours to figure our why this was returning the wrong value - when assigning one array to another it passes by reference not Value. I need a way to force it to pass by values. e.g. copy the existing array and have the second array reference it, so i am free to modify the first array without changing the values of the second.[code]From the example above You see that in Actionscript when assigning one variable to another it does it my reference not value. So when you chage the value of one array it changes the value of the other automatically.I need to have the "test2" variable reference the "test1" array only by value so if modify "test1" the values of "test2" won't be modified.
I'm trying to make methods available like so: ActionScript Code: MyClass.myFunc(); Instead of ActionScript Code: var myVar:MyClass = new MyClass(); myVar.myFunc();
I know that to do so I need to declare the functions/variables/constants as static: ActionScript Code: package MyPackage { public class MyClass extends Object { public static function myFunc():void { } public function MyClass() { [Code] .....
When I try to access the static function through the full reference (i.e trace(MyPackage.MyClass.myFunc);), it works, while trace(MyClass.myFunc); returns undefined. This contradicts what I've read in tutorials and posts on the Internet. They all use the short syntax, not the full path.
I am building a Gallery/Case Study application and I am running everything off of XML, and I need to be able to add images/text to the application whenever, without causing any problems. On the sideshow portion of the application, I am putting dynamically generated textfields under the picture viewer, with the number of the current image, highlighted. Similar to the one here:[URL] the first slide haha this was one of the best examples I could find. Anyway I've created the textfields, that display the correct numbers (that is, from "01" until say "07" depending on the .length(); of the XML tag <image>), but that is all they do so far. I am setting the type in the textfields by doing this
Code: _tf.text = "0" + myIndex as String
myIndex is a varibale incrementing as long as var i:Number is less than the length property of the XMLList I'm using to store the image URL's. I am adding the _tf var to the stage using addChild(); and multiplying i by like 20 or something to make the x values different for every _tf. My problem is that if i try to reference the myIndex value when the textfield is clicked, it says the value of myIndex is 7, which is what it was set to when the last iteration of the loop executed. Basically I need to be able to store a value somewhere, that is unique to each textfield so I can load the corresponding image from my XMLList. I've tried messing around with the .name property of MovieClips, but I'm not exactly sure how it works. I use it earlier in the code with my Loader instance, but I don't know how to use it with MovieClips.
Code:var StringMine:String = "hello";And i want to use the value of that string, 'hello' to name a new variable, i thought like this,Code:var [StringMine]:String = "One";but not supprisingly, it doesnt work...
I thought that there was a way to be able to name array indexes. Like instead of myArray[0], it could be myArray["tileFour"]. I thought that instead of using index numbers one could use index words.
i have an array of coins that are layed out on a map for a character to come pick up.i have the coins displaying on screen but i cant get a simple hit test to work. it only seems to work on the last coin created, i presume because the 'i' value hasnt been appended to the name. i knew how to do this in as2 but dont know the syntax for as3. ive attached the file for you to have a look at.
loader is display object but I could not set name to loader. In the documentation loader does not have property of "name". How to set name for loader instance. Example
var imgColl:Array=new Array("1.jpg","2.jpg"); var i:Number=0; while(i<tot){
I need to change porperites on MC that is in a MC I just attached something and for some reason I can't seem to find out how to get an instance name into them or to just use the one thye have in the library.
Ok, I've been climbing the walls trying to figure this out, looked everywhere for an answer, learned a few bits and pieces along the way, but still can't do it.I've made my Class which is a little movieclip called 'block', it's fine and does what I tell it to do ie. I can reposition itstretch itotate it and stuff.The problem is.. I want to make more of them and reference them individualy so I can change the properties of them individualy ie, the x and y values etc.
for (var i=0; i<2; i++){ var newBlock:blocks = new blocks(); this.addChild(newBlock);
I am wanting to create an array. 10 values in it (couting from 0 index to 9). Each 'place holder' will have a corresponding value to it;s index i.e.
myArray[0]=0 myArray[1]=1 etc...
I can do that in a for loop. But then I want to attach each value to a single variable name. I then want to change that each variable to a string. I then want access to all the variables outside of the for loop.
var i:Number; var aArray:Array = new Array(); for (i=0; i<10; i++) {
[code]....
The output error is 1084: expecting identifier before aArray.
When I instantiate a new object I want the object to automatically be named the same as the name used in the instantiation.var fred:Person=new Person();trace(fred.name); // traces "fred"Is there a reference I can use in the Person constructor to do this?
public class Person extends MovieClip { public function Person() { name = ??? // what goes here? }}
I'm working on a framework for game development in flash and I'm wondering if there's an accepted naming scheme for the main tick / update method name and a name for the functions to call before and after?I can think of:
onPreTick(), onTick() and onPostTick() onPreFrame(), onFrame(), and onPostFrame() onPreUpdate(), onUpdate(), and onPostUpdate()
i create an application using Adobe flex 4.5 for recording videos and i was wondering how to give appropriate names to my files produced. What i was thinking is to give the current timestamp which is unique what's your opinion, is there a better solution and how can it be implemented using actionscript?
How to name through AS3 buttons components?I have 3 buttons components: a BackButton, a ForwardButton and a PlayButton.I have named them through the properties panel, (where it says 'Instance Name').But once I click on them and check for event.target.name I receive, always 'button_mc'.How could I name the buttons?