ActionScript 3.0 :: Creating Instances Of One Button Onto Stage
Jan 16, 2011
I am working on a project in which I need to create a bunch of buttons.. all need to look the same with different text on the button.. rather then making each button separate in my library I would like to make one and create instances of the one button. I have created a button with a text field on top named txtLabel with a default text of "Label Here". I have dragged an instance of the button onto the stage and named it btnHome
btnHome.txtLabel.text = "Home"; d
Does not work..
I get the following error
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at MyProject_fla::MainTimeline/frame1()
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Jul 16, 2009
I thought would be coded like this:
var sp:Sprite = new Sprite();
sp.graphics.beginFill(0xFF88CC);
sp.graphics.drawCircle(0, 0, 50);
[Code].....
however, I realize even tho im looping that addChild method, its still adding sp, so do I add a new naming convention in the loop, or should I be adding these instances to another display object.... this seems like such a simple thing to do yet I cant figure it out, I also want to randomize the x and y, but this first seems to be the issue I need to address.
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Feb 22, 2012
Is this correct? I am gettign this errorTypeError: Error #1007: Instantiation attempted on a non-constructor.I am trying to created a new instance of a movieclip on stage based on the number from elderCount.
//elderCount is a var:Number
var elderMan:Array = new Array(new starMovie());
var Star:starMovie = new elderMan[elderCount](stage);
[code].....
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Jul 17, 2009
I thought would be coded like this:
var sp:Sprite = new Sprite();
sp.graphics.beginFill(0xFF88CC);
sp.graphics.drawCircle(0, 0, 50);
[Code]....
however, I realize even tho im looping that addChild method, its still adding sp, so do I add a new naming convention in the loop, or should I be adding these instances to another display object.... this seems like such a simple thing to do yet I cant figure it out, I also want to randomize the x and y, but this first seems to be the issue I need to address.
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Jun 28, 2011
I'd like to create a Hangman game, only instead of having the player enter a letter, I'd like to have 26 clickable buttons on the screen. Now, I could make 26 symbols, but that seems ridiculous when I could create a letter_button.as class and just create 26 instances of letter_button, where I can just do something like letter_button.letter_id to get the value. That part's easy. The hard part is, uh. Well. 1- How do I create a button that will accept dynamic text? How do I add these buttons to the stage? Will parent.addChild(new letter_button(letter)) work? Or do I need something else?
Here's how far I've gotten in my solution, tell me if I'm barking up the wrong tree. To begin, I created a button called "Letter_Button". It has a text field on it called "letter_text". It's a MovieClip and it links to Letter_Button.as
[Code]....
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Sep 30, 2009
I'm trying to drag a movieclip on stage, and with nine existing button instances, cause that movie clip to jump around and run at different labels (which are within the movie clip itself. I'm not sure what I'm doing wrong, but I get the error #2109 which says (similar error for each button):
[Code]...
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Sep 19, 2009
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function below
function makePlayer ():void {
my_player = new FLVPlayback();[code].........
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Feb 22, 2012
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Oct 5, 2010
I have several clips in the library:
MCA1
MCA2
MCA3
....
MCA100
Each with "export for actionscript" checked, and mathcing classnames.
I want to create an instance of each - and add to the current stage. I need to do this:
PHP Code:
var clipA1:MCA1 = new MCA1();
var clipA2:MCA2 = new MCA2();
var clipA3:MCA3 = new MCA3();
[Code].....
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Feb 12, 2009
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Jan 2, 2010
I use the code below to create 3 movie clips.
var A:Array = new Array();
for (var i:uint = 0; i < 3 ; i++) {
A[i] = new hayvanSec();
[code]........
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Apr 26, 2010
I have a class subclass1.I want to be able to do something like this,[code]
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Oct 30, 2010
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Feb 12, 2009
I have a movie clip 'sliderMc' which contains two other clips 'slider' and 'groove'. I've used actionscript to make the 'slider' clip move along the 'groove' and display the value of the at each point in a text field. The idea is to have a slider object that i can use multiple times. I want a situation whereby I can create instances of 'sliderMc' so that I'll be able to move the slider on the individual clips and have each slider update different variables which would then be sent to an XML file or php. Im able tp talk back and forth between php and xml with no problem; The issue I'm facing is that after creating multiple instances of 'sliderMc', I'm not able to give the 'slider' and 'groove' movie clips different instance names without changing the instance names of all other 'slider' and 'groove' instances of 'sliderMc'. Which in turn makes it difficult to distinguish between the different sliders in actionscript.
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Oct 29, 2009
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Nov 19, 2010
hmm how do I describe what I'm trying to do.. well here it is: In my flash library I have a series of movieclip with names like clip00, clip01, clip02 they are set to export for actionscript as the same name.
Now in my as file I'm importing a xml file that has the names of the clips which to place on the stage. Now if it were just a regular case I would do
[Code]...
I hope I am somewhat clear, please let me know if I can explain further. My project is really complex and I tried simplify it here. Please help or suggest alternative method.
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Mar 31, 2005
why this sort of, but doesn't work?I'm just creating a group of buttons using imported pictures without having anything in the library.Here's the code I'm using:
[AS]clipArray = [];
posArray = [];
for (var k = 0; k<3; k++) {
[code].....
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May 28, 2010
So I know that if I want to create an instance of a movie clip called part01Roads from the library I do this:
Code:
var part01Roads_mc:part01Roads = new part01Roads();
addChild(part01Roads_mc);
part01Roads_mc.x = -22379;
part01Roads_mc.y = 317;
Well I want to take this one step further if it is at all possible. Lets say I have 100 different movie clips labeled in a sequence: part01Roads, part02Roads, part03Roads ..... part100Roads. Instead of rewriting the above code 100 times, can I make a loop to do this?
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Feb 21, 2011
I've done some basic flash for my college course and i'm moving onto advanced flash and Actionscript. For this, i'm trying to build a "construction game".
What I have is objects on the right side, and I want to be able to drag out copies of those objects onto the left and have the size and rotation of each object adjustable...
So say click and drag on a circle, it puts a copy of the circle where I place it on the left. I can then drag that circle around, scale it or rotate it, or if I decide I don't want it at all, drag it onto a recycle bin icon and have it removed.
I'd like to be able to make as many copies of that circle as allowed (so maybe a limit of 10?), and have each one adjustable when you "select" it...
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May 15, 2010
I need to generate multiple instances of a code generated movieclip. If I try:
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var mc:MovieClip = new MovieClip();
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[code]......
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Feb 16, 2010
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May 20, 2011
I am making a flashcard game with five subjects. It has buttons for moving forward and back,and buttons for switching to another subject The card instances for each subject are stored offstage, in separate frames (five in all), and their names are stored in arrays (five in all) Each time a button is pressed, the appropriate card tweens onto the stagepoint were still visible (not sure why, since the menu's on it's own frame), so I wrote a function to clear everything offstage whenever the menu button is clicked.My problem is weird: if you are in the math subject, switching to geography returns this error:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at flashcardapp1_fla::MainTimeline/frame3()
at flash.display::MovieClip/gotoAndStop()
[code]....
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Feb 23, 2011
I'm new to this OOP stuff, and I'm having a hard time understanding all of this.I'm trying to recreate in AS3.0 with classes a simple whack-a-mole game I created in AS2.0 using timeline coding.I've read through a lot of forums, but I still don't understand what exactly I'm doing wrong.Heres my setup:I have a movie clip named mrBunny (my girlfriend told me to change it to bunnies as moles were too ugly.). Now there are 6 instances of mrBunny on the stage, each named mrBunny0-5.The mrBunny symbol is linked to the com.mrBunny class.The class has a method called randomPlay(); which I use to randomize the animation times of mrBunny.I also have a button on the stage with the class stageBtn.
package com{
import flash.display.SimpleButton;
import flash.display.MovieClip;
[code].....
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Jan 16, 2012
I'm working with Flash Builder 4.6 as an IDE and Flash CS5.5 to create library items. The problem is - when I put an instance of a library item on the stage or inside of another item, Flash Builder fails to detect the instance name that was declared in Flash CS. This doesn't prevent the code from compiling just fine though.
I understand that the IDE only sees the fields that I have declared directly in the .as file, but it really hinders me that I the IDE goes crazy when I do this.
Is there any way to circumvent this - other than dynamically creating and placing the instances?
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Oct 22, 2009
I was just wondering if there was a way to find all button/dynamic text instances that are on stage. This would allow the dynamic creation of array instead of having to manually create this array.
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Nov 2, 2010
I have a stage instane called 'titleBox' in a SWF, which when loaded is dynamically filled in.
When testing straight from the SWF there is no problems at all, but when the SWF is loaded into the main SWF I get the error:
'Error #1056: Cannot create property titleBox'
Which I can't understand as it exists, any suggestion would be awesome.
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Feb 26, 2011
Is there any way to iterate through instances placed manually on the stage in Flash IDE? For example I have 3 "Dog" class instances placed on the stage and I'd like to access them all from document class without giving them instance names.
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Jan 11, 2012
Say, for example, I have a car on a flat plane. It can move either left, up, right or down. I also have 10 obstacles on the stage. Each time the car hits one of them it should automatically turn to avoid it. I could loop through each obstacle and check if it is colliding with the car but a better approach would be to make an obstacle class that checks if the car is going to collide with that obstacle and if it does, make it change direction. My problem though is what about if I had 5 cars? Would the obstacle class have to loop through each of the cars to check if any are colliding with it? My main concern with this is how much the performance of the program would be affected. I imagine with only 5 cars the difference would be insignificant, but what if I had 1000 cars and 1000 obstacles? Going back to the first example, it is easy to see how you can use a class as opposed to using a loop but with the second example, I just don't know.
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May 5, 2009
Sometimes I got
[object MovieClip]
Sometimes I got
[object SomeName]
I don't know why! I never click the "export for actionscript" and the symbol names in my library are given "Onename" "SomeName", rather than "MovieClip" ...
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