sasa_intro

//介紹頁面程式，舞台停留此格等待使用者操作下一步
stop();

stage.focus = this; // 多加這行讓 flash 場景變成鍵盤焦點即可

const KEY_UP:uint = 38;
const KEY_DOWN:uint = 40;
//建立鍵盤按下時的偵聽器
stage.addEventListener(KeyboardEvent.KEY_DOWN, keydown);
stage.addEventListener(KeyboardEvent.KEY_UP, keyup);
function keydown(event:KeyboardEvent)
{
    var positionY:Number=txt.y;
    //設定鍵盤變數
    var code:uint = event.keyCode;
    //如果按下每個鍵時會發生什麼事
            if(code==KEY_UP)
            {
            up_btn.gotoAndStop(2);
            txt.y+=10;
            }
            if(code==KEY_DOWN)
            {
            down_btn.gotoAndStop(2);
            txt.y-=10;
            }
            if(txt.hitTestObject(wall1)){
            txt.y=positionY;
            }
            if(txt.hitTestObject(wall2)){
            txt.y=positionY;
            }
    }
    function keyup(event:KeyboardEvent){
    //設定鍵盤變數
    var code:uint = event.keyCode;
    if(code==KEY_UP){
        up_btn.gotoAndStop(1);
    }
    if(code==KEY_DOWN){
        down_btn.gotoAndStop(1);
    }
}
//點擊BACK回到主頁紙花飄前一格
back.addEventListener(MouseEvent.CLICK,backin);
function backin(event:MouseEvent)
{
    MovieClip(root).gotoAndPlay(141);
}
gotoAndPlay(84,"index");