ActionScript 2.0 :: [AS2] Looping Function - Using HitTest(); With Movieclips Within Arrays
Apr 28, 2007
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NOTE: The following text is my problem and observations, if you afraid to read it all, my problem is easily guessable within the code go ahead and crack at it without my explanation :-p I'm having some trouble with using hitTest(); with movieclips within arrays. I wanted to build a function that checks the hitTest of Movieclips in arrays because the array is dynamic and it would run more efficient and faster this way.
As you may notice it doesn't check just the movieClip in the array, but a movieclip 2 scopes within it. I feel that this is my problem. I noticed in my debugger that that mc doesn't show up, but i put an onLoad event on it to trace its existence when loaded and it shows up fine. I wonder what I'm doing wrong.
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Sep 4, 2011
i have 2 arrays containing object1 and object2 .
ArrayObject1 type are moving
ArrayObject2 type are stationery
When there is a hitTest between the 2 arrays, Object2 gets the same vx,vy as Object1 and they start moving together.(I need to keep a track of which instance of Object1 is in contact with which instance of Object2).When lets say a BulletObj hitTest Object1, then Object1 is removed from stage (array is spliced) and Object2 should stop moving.
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Feb 2, 2012
Basically what I'm looking to do is hitTest bullets inside an array (spawn via addChild -> pushed into an array) with another array containing ships (spawn via addChild -> pushed into an array as well).At the moment I have:
function moveEnemyLarge():void{
var target2:EnemyLarge;
for(var i2:int=0;i2<enemyShipArray.length;i2++){
[code]....
.. and a near identical function for the bullets (using variables: i, target).What is the easiest way for me to hitTest the objects within my bullet array with the objects in my ship array. Putting "target" in the PLACEHOLDER slot doesn't work, and from what I've seen some people will shove the one for() inside of the other.
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Oct 14, 2011
I've attached a zip with a few custom classes and a .FLA. Ignore the custom classes. I'm getting repeated
"Error #1009: Cannot access a property or method of a null object reference. at Environment_fla::MainTimeline/hitTest()".
I understand that this error means I'm asking it to reference something that's no longer there. How better to hitTest many objects in an array. My game involves creating a bunch of balls that will fall into buckets. I need to keep track of how many touched the buckets, how many fell off the screen, and remove each accordingly.
Here is the code from my main FLA
ActionScript Code:
var ballTimer:Timer = new Timer(200);
var changeTimer:Timer = new Timer(50000);
ballTimer.addEventListener(TimerEvent.TIMER, throwBall, false, 0, true);
ballTimer.start();
changeTimer.addEventListener(TimerEvent.TIMER, changeColor);
changeTimer.start();
[Code] .....
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Mar 11, 2012
I am attempting to build an array of arrays that will with the following syntax. My output is definitely not what I am trying to achieve. Here is my code:
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My output is coming out as 6 references to "Set3". There is obviously something wrong with my for loops, but I can't figure it out.
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Jul 16, 2011
I have had a long post somewhere on here and just wanted to start a specific post on just associative arrays. First of all I have an array which I don't know if it's an array or an associative array or an object or both. ie: I read that the below would be an object but works as an array too.
The problem is when I use this array as references to instantiate classes in a runtime shared library.I seem to be able to create the appropriate arrays and objects BUT I definately can't use/acess them properly. I massive confusion between movieclips and objects. I get a forced conversion error when I try to add objects to a movieclip . simply because I want to add the mc elements to the stage.
[Code]...
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Jan 26, 2005
Usually i know you would name each dupicalted movieclip sumthing like "movieclipname"+nextnumber But i was in this case hoping i could name em all "bullet" for the simplicity of hittesting using bullet1.duplicateMovieClip("bullet1", this.getNextHighestDepth(), {_x:bx, _y:by, xs:Xmov, ys:Ymov});
to duplicate
and
if(this.hitTest(_parent.bullet1)){ // is an onEnterFrame
trace("wuuuuuuuuuu");
to c if anything is happening
nothing however happens, i am not ceeing the trace message.. Can i not have many movieclips named the same, or is there somethign else i need to consider
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Jan 15, 2009
I am designing a flash game and I am having a bit of trouble with the Actionscripting, I wondered if you might be able to help me? I will try and explain how the game should function and I attach a JPG that shows the rough layout as well, hopefully from that you may be kind enough to point me in the right direction.
How it should function The idea is you have a glass that you control, left and right keyboard arrows control left and right movements and it only moves on the _x axis and the _y axis always stays at it's current value, this works fine and I have managed to add actionscript to the glass movieclip to do this, the movement also has gravity and friction which means the glass slides on a little even when you move to go the other way.
Using the Glass you need to collect falling object movieclips, there are two types, good and bad. When you catch the good it adds to your score and when you catch the bad it deducts from your score.
The falling objects need to be random and I have successfully managed to get 1 movieclip to fall by using actionscript code and also I have managed to set the _x position as random each time , the actionscript to do this has been applied to the falling object.
[Code]...
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Jan 26, 2005
Im making a game in which you controll a turret and it spews out bullets like mad..Usually i know you would name each dupicalted movieclip sumthing like"movieclipname"+nextnumberBut i was in this case hoping i could name em all "bullet" for the simplicity of hittesting
using
bullet1.duplicateMovieClip("bullet1", this.getNextHighestDepth(), {_x:bx, _y:by, xs:Xmov, ys:Ymov});to duplicate
and
[code].....
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Mar 15, 2009
I'm trying to hitTest two duplicate movies clips. One is a bullet and the other is an enemy. I have them properly duplicating, but I cannot figure out how to detect a collision between the two. I've trying everything I can think of, and so far I've only been able to get the hitTest working between the original enemy and the bullet duplicates.Here is the code for duplicating the enemy:
Code:
bb++;
duplicateMovieClip(_root.target, "t"+bb, bb);
[code].....
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Jan 3, 2011
I'm creating a platform game, and I have those boxes which needs hitTests on all sides - including the bottom.I want my hit areas to have the same instance names. With that I mean, that I want only one instance name for all the bottom hits, one instance name for alle right hits - and so on. If it's possible. 'Cause else there will be so much actionScript code to write.I've been trying to simply make a normal hitTest on for example hitGround, and then place two movieclips with the instance name hitGround, but the hitTest function only works on the last added movieclip with that instance name.I have also been trying to look up some for each in-arrays, but I don't really get the meaning of how to use them.
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May 3, 2010
Code:
if(_root.selmovie.hitTest(this._parent)){
_root.hit.text="it worked";
}
Why doesnt this work? I want to avoid naming all of the movieclips that this hittest is to apply to but this._parent isnt working...
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May 3, 2009
I have a character, he stays in the center whilst the surroundings move instead (scrolling). There is a block and when you walk into it, I need it so you cannot walk through it or get stuck in it. Here is my code below but, its very buggy, this is obviously been done before and may be simple, once I learn it I wont need to ask again. Iv tried other things but they dont work.[code]
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Jul 31, 2009
I've got some flash 2.0 code that is supposed to add 100 points after a hitTest.
Code:
function onEnterFrame(){
connectA();
var strandID:Number
function connectA(){
for (var i = 0; i < 100; i++) {
if (this.hitTest(_root["A_" + i])) {
this.strandID = i;
_root.total = _root.total + 100;
}}
The problem is that it adds 100 points 70 times per second (the frame rate). It's supposed to add 100 points and stop. Here's a little more info: the hitTest makes two movie clips move across the screen together. Maybe because they're constantly hitting as they move, I don't know.
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Jun 8, 2006
i searched everywhere, i was not able to find a solutionmy xml menu implementation use a "main" Menu class. This class parse the xml file and create an aeeay of MenuItem class.MenuItem costructor is (stripped down version) something like this:Code:function MenuItem(name: String, url: String, parent_mc: MovieClip)parent_mc is a reference to the "container" MovieClip for Items (generally an emptymovieclip made by Menu class)
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Dec 12, 2002
Does anyone know how to use hitTest with two movieclips so that it would detectthe collision of the visible part of the MC, not the **** bounding box???
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Nov 23, 2003
I have 2 Movieclips, box and car, and I want them to bounce backwards 10 pixels when they hit. I have a little understanding of hit test but do not know how to make something happen when hit test occurs. And it would be great if you could make the movieclips "move" back 10 pixels instead of automatically jumping 10 pixels back.
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Jun 24, 2008
i am trying to populate an MC/text field via XML and the duplicate this underneath itself (in a loop) for how ever many lines of the xml there are.. Ive got quite far *in my humble opnion* but seem to have come unstuck on the looping and duplicating...
My code only duplicates the movieclip once - and the second movieclip is not populated (ie pulling data from the xml) only the first one is!..
Code:
function loadXML(loaded) {
if (loaded) {
xmlNode = this.firstChild;
[code]....
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Jan 21, 2009
I have a series of moviclips named "item0","item1", etc. What is the best way to loop through the clips to assign some listeners? It would look something like this:
Code:
for (var j:Number = 0; j < helpArr.length; j++) {
item[j].buttonMode = true;
[code]....
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Apr 7, 2011
l am trying to finish banner for my daughters web...l am just a mummy and dont have time to take classes etc but l am trying...this is a bannerone animation with few movieclips (already converted to movieclips)l need two of them to continue loopingl have put STOP action but then everything goes to a stilll tried entering layers on top vith actions like continue but its not working
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Sep 16, 2011
The issue I am having is that the animation will play fine on my mac but when opened on a Windows OS it just loops and all the movieclips overlapp.I am looking for a quick clean code solutiion I used code snippets to control the movie and do not have a knowledge of hand-coding AS.Note:It is all set in one scene and one frame all of the movies are nested.What I want the animation to do:Button 1 activates a series of movieclips, stops when another button is selected and resumes at the begining again when clicked.Button 2 Same action ability as button 1Button 3 Same action ability as button 1This is the snippet based code I am using now:
step1.arrows1b.stop();
step1.arrows1a.stop();
step1.arrows1c.stop();
[code]....
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Jun 12, 2011
I am trying to create some flash banner (looping animation). I have 1 stage timeline (100 frames) and several movieclips. I need to play 1 movieclip from frame 1 to frame 50. How can I do this?
It plays again and again. If I add AS stop(); in the frame 50 of this mc (inside mc timeline), then this mc plays just once. When all movie is looping from the frame 1, this mc does not play.
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Sep 16, 2011
The issue I am having is that the animation will play fine on my mac but when opened on a Windows OS it just loops and all the movieclips overlapp.I am looking for a quick clean code solutiion I used code snippets to control the movie and do not have a knowledge of hand-coding AS.
Note:It is all set in one scene and one frame all of the movies are nested.
What I want the animation to do:Button 1 activates a series of movieclips, stops when another button is selected and resumes at the begining again when clicked.
Button 2 Same action ability as button 1
Button 3 Same action ability as button 1
This is the snippet based code I am using now:
step1.arrows1b.stop();
step1.arrows1a.stop();
step1.arrows1c.stop();
step2.arrows1a2.stop();
[code]...
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Dec 17, 2009
I am brand new to this and am clearly doing something wrong and could very much use some help.Here is what I've been tasked with doing. In one row, I will have 3 columns of information being populated with XML data. I will then move to a 2nd row and do the same thing. This will continue until all the information has been added.
I have made it so that I can access the XML data and can manually add the information to a textbox inside of a movieclip, but because I have so much information to work with, I want to be able to dynamically add the movieclips, assign them an instance name, fill them with XML data and then repeat the process 50 pixels under that row. Does that make any sense?
[Code]...
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Jul 6, 2011
Curious question:Take this function:
function something():Array
{
var ar:Array = [];
[code]....
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Nov 22, 2010
How can I make an array that accepts only a single kind of element?For example, this:var arr:Array of MovieClip = [ mc1 , mc2 ];Basically, I want to do something like this:for ( var i:Number = 0; i<arr.lenght; i++ ) arr[i].alpha = 0.5;Of course, I could to it manually, but that's ugly, and I'll have to add a bunch of "if"s if I want to access the next element (as "if ( element == mc1 ) mc2.alpha = 0.5;")
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Oct 26, 2007
I'm trying to create something (which has probably been created a 1000 times before) that will fade in and out a series of images. I load the images into my movie and then I want to make some action script to loop through them to fadeIn/Out.So to begin with I want to store all the image names in an array and then loop through this. But I'm having problems accessing the movie clips from the array. Where am I going wrong?
Code:
var images:Array = new Array();
images = [wine_mc, sunset_mc, poppies_mc, pool_mc, eastView_mc]
[code]....
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Feb 17, 2009
i have an array of movieclips that are only in the libray:
/////////////////////////////////////////////////
var aeropuertosInfo:Array=new Array (iacapulco,iaguascalientes,icampeche,icancun,idf,i carmen,ijuarez,iobregon,ivictoria,
ichetumal,ichihuahua,icozumel,iculiacan,idurango,i guadalajara,iguanajuato,iguaymas,
ihermosillo,ihuatulco,iixtapa,ilapaz,iloreto,imoch is,imanzanillo,imatamoros,imazatlan,
[code].....
when i try to place them in the scene, for example: addChild (aeropuertosInfo[2]) , an error pops up telling me that it can't convert icampeche$ in flash.display.DisplayObject.
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Oct 27, 2011
I have a game where i add some cartoonish ants, that when they are clicked, they need to be removed from stage. There are 4 differend kinds of ants, so im doing a Math.random for picking which one to add. (ant 1+2+3 have 50% chance to spawn and 4th 50%) rnd_nbr = (Math.random() * 5)+1;
I have a timer doing 10 tick, and i reset the timer to make neverending. Then i have a math random and if sentences adding mc' to the stage with movement from Tweener, and event listeners for clicks. But i cant figure out how to remove them when clicked. I have done alot of failed tries right inside the click_candy_anty function. I've left them commented out.
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Jan 9, 2005
I'm trying to store the initial X position of five movieClips in an Array by looping through it. Should be no worries, but I only end up with "Undefined" when I trace the array afterwards...
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