私は actionscript 3 の学習を始めたばかりです。以下は私のコードです。コードを起動すると、フレーム 36 でエラーが報告されますが、どの行にエラーが見つかりませんでした。デバッグを手伝ってください.... TypeError: エラー #1009: null オブジェクト参照のプロパティまたはメソッドにアクセスできません。flashmo_217_v_shape_fla::MainTimeline/frame36() で
以下はframe36のコードです
stop();
fm_button.visible = false;
import caurina.transitions.*;
var menu_label_North:Array = new Array("Animals Collection",
"Flowers Collection",
"Leaves Collection",
"Mixed Collection",
"Extra Collection",
"Special Awards",
"Company Background",
"Contact Information");
var total_north:Number = menu_label_North.length;
var i_north:Number = 0;
var page_north:Number;
var main_menu_North:MovieClip = new MovieClip();
stage.addChild(main_menu_North);
for (i_north = 0; i_north < total_north; i_north++)
{
var btn_north = new flashmo_button();
btn_north.name = "btn" + i_north;
btn_north.x = fm_button.x + i_north * ( fm_button.width + 12 );
btn_north.y = fm_button.y;
btn_north.buttonMode = true;
btn_north.item_no = i_north;
btn_north.flashmo_click_area.addEventListener( Event.ENTER_FRAME, btn_enter_north );
var each_substring_north:Array = menu_label_North[i_north].split("|");
btn_north.flashmo_button_label.fm_label.text = each_substring[0];
btn_north.item_url = each_substring[1];
main_menu_North.addChild(btn_north);
}
function btn_over_north(e:MouseEvent):void
{
e.target.parent.over = true;
}
function btn_out_north(e:MouseEvent):void
{
e.target.parent.over = false;
}
function btn_click_north(e:MouseEvent):void
{
var mc= e.target.parent;
if ( mc.item_url != undefined )
navigateToURL( new URLRequest( mc.item_url ), "_parent" );
else
change_page_north(mc.item_no);
}
function btn_enter_north(e:Event):void
{
var mc_north = e.target.parent;
if ( mc_north.over == true )
mc_north.nextFrame();
else
mc_north.prevFrame();
}
function change_page_north(no:Number):void
{
for (var i:Number = 0; i < main_menu_North.numChildren; i++)
{
var mc = MovieClip( main_menu_North.getChildAt(i) );
mc.over = false;
mc.flashmo_click_area.visible = true;
mc.flashmo_click_area.addEventListener( MouseEvent.ROLL_OVER, btn_over_north );
mc.flashmo_click_area.addEventListener( MouseEvent.ROLL_OUT, btn_out_north );
mc.flashmo_click_area.addEventListener( MouseEvent.CLICK, btn_click_north );
}
var mc_selected = MovieClip( main_menu_North.getChildAt(no) );
mc_selected.over = true;
mc_selected.flashmo_click_area.visible = false;
mc_selected.flashmo_click_area.removeEventListener( MouseEvent.ROLL_OVER, btn_over_north );
mc_selected.flashmo_click_area.removeEventListener( MouseEvent.ROLL_OUT, btn_out_north );
mc_selected.flashmo_click_area.removeEventListener( MouseEvent.CLICK, btn_click_north );
page_north = no + 1;
play();
}
change_page_north(0);// default page on load
flashmo_credit.addEventListener( MouseEvent.CLICK, goto_fm_north );
function goto_fm_north(e:MouseEvent):void
{
navigateToURL( new URLRequest( "http://www.flashmo.com" ), "_parent" );
}
music_credit.addEventListener( MouseEvent.CLICK, goto_music_north );
function goto_music_north(e:MouseEvent):void
{
navigateToURL( new URLRequest(
"http://www.premiumbeat.com/royalty_free_music/byPiece.php?id=2614" ),
"_blank" );
}