Код:
var speed:Number=2.5;
var timerID;
function dviz(){
_root.ball_mc._y-=speed;
speed-=0.01;
if(_root.ball_mc._y>600){
clearInterval(timerID);
}
}
_root.ball_mc.onEnterFrame=function(){
if(Key.isDown(Key.UP)){
clearInterval(timerID);
timerID=setInterval(dviz,12);
}
}