开发环境为FLASH BUILDER（Android/iOS应用）。我无法理解以下错误。请修复我的代码。错误：RangeError：错误 #1125：索引 2 超出范围 0。在 views::twoHomeView/sets()[C:\Users\Adobe Flash Builder 4.6\y\src\views\twoHomeView.mxml:162] 处views::twoHomeView/down_clickHandler()[C:\Users\Adobe Flash Builder 4.6\y\src\views\twoHomeView.mxml:115] 在 views::twoHomeView/__down_click()[C:\Users\Adobe Flash Builder 4.6 \y\src\views\twoHomeView.mxml:203]
代码：
<fx:Script>
<![CDATA[
import flash.display.Sprite;
import flash.events.TimerEvent;
import flash.utils.Timer;
private var timer:Timer;
public function Main()
{
timer = new Timer(1000, 4);
timer.addEventListener(TimerEvent.TIMER, onTimer);
timer.start();
go.visible=true;
}
var kaisu:int =0;
public function onTimer(event:TimerEvent):void
{
kaisu += 1;
if(kaisu>=0)
{
go.visible =false;
}
display(n[kaisu-1]);
if(kaisu==5)
{
kaisu = 0;
}
}
public var n:Vector.<int> = new Vector.<int>(4);
public var a:int =0;
public var s:int =0;
function display(q:int):void{//矢印を表示させる 0=↑1=→2＝↓３＝←
if(q ==0)
{
ue.visible= true;
migi.visible= false;
shita.visible= false;
hidari.visible= false;
}
else if(q ==1)
{
ue.visible= false;
migi.visible= true;
shita.visible= false;
hidari.visible= false;
}
else if(q ==2)
{
ue.visible= false;
migi.visible= false;
shita.visible= true;
hidari.visible= false;
}
else if(q ==3)
{
ue.visible= false;
migi.visible= false;
shita.visible= false;
hidari.visible= true;
}
else
{
ue.visible= false;
migi.visible= false;
shita.visible= false;
hidari.visible= false;
}
}
protected function button1_clickHandler(event:MouseEvent):void
{
// TODO Auto-generated method stub
display(3);
sets(3);
}
protected function button2_clickHandler(event:MouseEvent):void
{
// TODO Auto-generated method stub
display(0);
sets(0);
}
protected function right_clickHandler(event:MouseEvent):void
{
// TODO Auto-generated method stub
display(1);
sets(1);
}
protected function down_clickHandler(event:MouseEvent):void
{
// TODO Auto-generated method stub
display(2);
sets(2);
}
/*function wait(time:int, handler:Function):void
{
var timeri:Timer = new Timer(time, 1);
timeri.addEventListener(TimerEvent.TIMER_COMPLETE, timerHandler);
timeri.start();
function timerHandler(event:TimerEvent):void
{
handler();
timeri.removeEventListener(TimerEvent.TIMER_COMPLETE, timerHandler);
}
}
function lv1():void{
}*/
function showMC():void//配列に乱数を入れ込む。
{
for(var i:int;i<n.length;i++)
{ var r:int = Math.floor(Math.random() * 4);
n[i]=r;
}
point.text = n[0]+""+" "+n[1]+" "+n[2]+" "+n[3];
}
public var set:Vector.<int> = new Vector.<int>;
public var points:int=0;
public var nyuryoku:int =0;
public var pan:int;
function sets(q:int){
if( n[nyuryoku]==set[q]){
nyuryoku +=1;
points += 1;
pan = points;
tensu.text = pan.toString();
}
else
{
end();
}
}
function end(){
bad.visible = true;
points = 0;
kaisu = 0;
display(5);
}
]]>
</fx:Script>
<fx:Declarations>
<!-- 非ビジュアルエレメント (サービス、値オブジェクトなど) をここに配置 -->
</fx:Declarations>
<s:Image x="-31" y="-40" width="383" height="486" source="assets/yattah.jpg"/>
<s:Button id="left" x="13" y="304" width="50" height="50" label="←"
click="button1_clickHandler(event)"/>
<s:Label id ="point" x="19" y="7" text="点"/>
<s:Button id="up" x="60" y="257" width="50" height="50" label="↑"
click="button2_clickHandler(event)"/>
<s:Button id="right" x="107" y="304" width="50" height="50" label="→"
click="right_clickHandler(event)"/>
<s:Button id="down" x="59" y="352" width="50" height="50" label="↓"
click="down_clickHandler(event)"/>
<s:Button x="260" y="309" width="50" height="50" label="A" click="Main()"/>
<s:Button x="207" y="359" width="50" label="B" click="showMC()"/>
<s:Image id="ue" x="75" y="33" visible="false" smooth="true" source="assets/ue.png"/>
<s:Image id="shita" x="80" y="49" smooth="true" source="assets/shita.png"/>
<s:Image id="hidari" x="75" y="55" smooth="true" source="assets/hidari.png"/>
<s:Image id="migi" x="100" y="53" smooth="true" source="assets/migi.png"/>
<s:Image id="good" x="-21" y="84" width="363" height="103" visible="false" source="assets/good.png"/>
<s:Image id="go" x="28" y="62" width="263" height="153" visible="false" source="assets/go.png"/>
<s:Label id="tensu" x="19" y="31" text="ラベル"/>
<s:Image id="bad" x="24" y="54" visible ="false" source="assets/bad.png"/>