Erreur 1009 Préchargment

**DK ONER** · 02/09/2009, 04h11

Bonjour

je suis un débutant(graphiste) qui bidouille des sources afin de réaliser son site .

J'ai donc créer un fichier avec une animation (par tween) d'un grand clip ("BG") comprenant plusieurs petits clips (notemment "works_mc")

tout fonctionne parfaitement, seulement si j'insère un préchargment au début de ma timeline principale ce message s'affiche et tout Bug :

TypeError: Error #1009: Il est impossible d'accéder à la propriété ou à la méthode d'une référence d'objet nul.
at 31_fla::MainTimeline/CenterBG_Frame1()
at 31_fla::MainTimeline/frame2()
at flash.display::Sprite/constructChildren()
at flash.display::Sprite()
at flash.display::MovieClip()
at 31_fla::Works_mc_3()
at flash.display::Sprite/constructChildren()
at flash.display::Sprite()
at flash.display::MovieClip()
at flash.display::MovieClip/nextFrame()
at 31_fla::MainTimeline/updatePreloader()

après de nombreuses recherches j'ai l'impression qu'il faut passer par un Event.ADDED_TO_STAGE mais comment s'en servir et pour l'insérer comment ?
voici le code que j'insère pour précharger les éléments:

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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stop();
 
//Preloader
loaderInfo.addEventListener(ProgressEvent.PROGRESS, updatePreloader);
 
function updatePreloader(evtObj:ProgressEvent):void
{
        //container for the progress of the site (download)
        var percent:Number = Math.floor((evtObj.bytesLoaded*100)/evtObj.bytesTotal);
        preloader_txt.text = percent+"%";
        if (percent==100){
                nextFrame();
        }
}

et voici le code insèré dans le clip Works_mc (trouvé sur ce site http://www.flashmo.c...photo_rotator):

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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load_gallery("flashmo_183_photo_list.xml");
 
// Copyright © flashmo.com
// Developed by Min Thu
 
// Tweener
// http://code.google.com/p/tweener/
import caurina.transitions.Tweener;
 
var auto_play:Boolean = false;  // true (OR) false
var auto_play_duration:Number = 1000; // 1 second equals 1000
var folder:String = "photos/";
var timer:Timer;
var i:Number;
var tn:Number = 0;
var pic:Number = 0;
var previous_no:Number = 0;
var current_no:Number = 0;
var tween_duration:Number = 0.8;        // seconds
var total:Number;
var flashmo_xml:XML;
var flashmo_photo_list = new Array();
var photo_group:MovieClip = new MovieClip();
 
this.addChild(photo_group);
this.addChild(photo_title);
this.addChild(photo_description);
this.addChild(photo_button);
this.addChild(flashmo_play);
this.addChild(flashmo_pause);
this.addChild(flashmo_previous);
this.addChild(flashmo_next);
 
 
photo_button.alpha = 0;
photo_button.buttonMode = true;
 
photo_group.x = flashmo_photo_area.x;
photo_group.y = flashmo_photo_area.y;
photo_group.mask = flashmo_photo_area;
 
photo_group_info.text = "";
photo_title.text = "";
photo_description.text = "";
 
if( auto_play == true )
{
        flashmo_pause.visible = true;
        flashmo_play.visible = false;
}
else
{
        flashmo_pause.visible = false;
        flashmo_play.visible = true;
}
 
function load_gallery(xml_file:String):void
{
        var xml_loader:URLLoader = new URLLoader();
        xml_loader.load( new URLRequest( xml_file ) );
        xml_loader.addEventListener(Event.COMPLETE, create_photo_rotator);
}
 
function create_photo_rotator(e:Event):void 
{
        flashmo_xml = new XML(e.target.data);
        total = flashmo_xml.photo.length();
        for( i = 0; i < total; i++ )
        {
                flashmo_photo_list.push( {
                        filename: flashmo_xml.photo[i].filename.toString(), 
                        title: flashmo_xml.photo[i].title.toString(), 
                        description: flashmo_xml.photo[i].description.toString(),
                        url: flashmo_xml.photo[i].url.toString(),
                        target: flashmo_xml.photo[i].target.toString()
                } );
        }
        load_photo();
        photo_title.text = flashmo_xml.photo[0].title.toString();
        photo_description.text = flashmo_xml.photo[0].description.toString();
}
 
function load_photo():void
{
        var pic_request:URLRequest = new URLRequest( folder + flashmo_photo_list[pic].filename );
        var pic_loader:Loader = new Loader();
        pic_loader.load(pic_request);
        pic_loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, on_photo_progress);
        pic_loader.contentLoaderInfo.addEventListener(Event.COMPLETE, on_photo_loaded);
        pic++;
}
 
function on_photo_progress(e:ProgressEvent):void
{
        var percent:Number = Math.round(e.bytesLoaded / e.bytesTotal * 100);
        photo_group_info.text = "Loading image... " + pic + " of " + total + " (" + percent + "%)";
}
 
function on_photo_loaded(e:Event):void
{
        if( pic < total )
        {
                load_photo();
        }
        else if( auto_play == true )
        {
                photo_group_info.text = "";
 
                timer = new Timer(auto_play_duration);
                timer.addEventListener(TimerEvent.TIMER, auto_play_timer);
                timer.start();
        }
        else
        {
                photo_group_info.text = "";
        }
 
        var flashmo_pic_bm:Bitmap = new Bitmap();
        var flashmo_pic_mc:MovieClip = new MovieClip();
 
        flashmo_pic_bm = Bitmap(e.target.content);
        flashmo_pic_bm.smoothing = true;
 
        flashmo_pic_mc.addChild( flashmo_pic_bm );
        flashmo_pic_mc.name = "flashmo_pic_" + photo_group.numChildren;
 
        if( photo_group.numChildren > 0 )
                flashmo_pic_mc.alpha = 0;
 
        photo_group.addChild( flashmo_pic_mc );
}
 
function auto_play_timer(te:TimerEvent):void
{
        current_no++;
        change_photo();
}
 
function change_photo():void
{
        if( current_no >= photo_group.numChildren ) 
                current_no = 0;
        if( current_no < 0 )
                current_no = photo_group.numChildren - 1;
 
        Tweener.addTween( photo_group.getChildAt(previous_no), { alpha: 0, time: tween_duration, 
                                          transition: "easeInOutQuart" } );
        Tweener.addTween( photo_group.getChildAt(current_no), { alpha: 1, time: tween_duration, 
                                          transition: "easeInOutQuart" } );
 
        previous_no = current_no;
        photo_title.text = flashmo_photo_list[current_no].title;
        photo_description.text = flashmo_photo_list[current_no].description;
}
 
photo_button.addEventListener( MouseEvent.MOUSE_OVER, pic_over );
photo_button.addEventListener( MouseEvent.MOUSE_OUT, pic_out );
photo_button.addEventListener( MouseEvent.CLICK, pic_click );
 
function pic_over(e:MouseEvent):void
{
        var mc:MovieClip = MovieClip(e.target);
        Tweener.addTween( mc, { alpha: 0.2, time: tween_duration, transition: "easeIn" } );
}
 
function pic_out(e:MouseEvent):void
{
        var mc:MovieClip = MovieClip(e.target);
        Tweener.addTween( mc, { alpha: 0, time: tween_duration, transition: "easeOut" } );
}
 
function pic_click(e:MouseEvent):void
{
        navigateToURL( new URLRequest( flashmo_photo_list[current_no].url ), 
                                                                flashmo_photo_list[current_no].target );
}
 
flashmo_play.addEventListener( MouseEvent.CLICK, pic_play );
flashmo_pause.addEventListener( MouseEvent.CLICK, pic_pause );
flashmo_previous.addEventListener( MouseEvent.CLICK, pic_previous );
flashmo_next.addEventListener( MouseEvent.CLICK, pic_next );
 
function pic_play(e:MouseEvent):void
{
        flashmo_pause.visible = true;
        flashmo_play.visible = false;
        timer = new Timer(auto_play_duration);
        timer.addEventListener(TimerEvent.TIMER, auto_play_timer);
        timer.start();
}
 
function pic_pause(e:MouseEvent):void
{
        flashmo_pause.visible = false;
        flashmo_play.visible = true;
        timer.removeEventListener(TimerEvent.TIMER, auto_play_timer);
}
 
function pic_previous(e:MouseEvent):void
{
        current_no--;
        change_photo();
}
 
function pic_next(e:MouseEvent):void
{
        current_no++;
        change_photo();
}

Merci d'avance
Bertrand

Erreur 1009 Préchargment

ActionScript 3

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