６月３０日更新２

ブロック崩し間際。
はねかえるさまが見れる。

ball1.speedX=3+Math.random()*5;

ball2.speedX=3+Math.random()*5;
ball3.speedX=3+Math.random()*5;

ball1.speedY=3+Math.random()*5;

ball2.speedY=3+Math.random()*5;

ball3.speedY=3+Math.random()*5;

ball1.addEventListener(Event.ENTER_FRAME, onEnterframe);
ball2.addEventListener(Event.ENTER_FRAME, onEnterframe);

ball3.addEventListener(Event.ENTER_FRAME, onEnterframe);



function onEnterframe(e:Event):void {
var mc:MovieClip=e.target as MovieClip;


if (((mc.x-mc.width/2)<0)||((mc.x+mc.width/2)>stage.stageWidth)) {
mc.speedX*=-1;

}

if (((mc.y-mc.height/2)<0)||((mc.y+mc.height/2)>stage.stageHeight)) {

mc.speedY*=-1;

}

mc.x+=mc.speedX;
mc.y+=mc.speedY;
}