package {
import flash.display.Sprite;
import flash.events.Event;
import flash.geom.ColorTransform;
import flash.geom.Rectangle;
public class Main extends Sprite {
public var speedX:int = 10;
public var speedY:int = -10;
public function Main() {
addEventListener(Event.ENTER_FRAME, onEnterFrame);
graphics.beginFill(0xFF, 1);
graphics.drawCircle(0, 0, 25);
graphics.endFill();
var colorTransform:ColorTransform = new ColorTransform();
colorTransform.color = Math.random()*0xFFFFFF;
transform.colorTransform = colorTransform;
}
private function onEnterFrame(event:Event):void {
x += speedX;
y += speedY;
var bounds:Rectangle = getBounds(parent);
if (bounds.left < 0 || bounds.right > stage.stageWidth) {
speedX *= -1;
}
if (bounds.top < 0 || bounds.bottom > stage.stageHeight) {
speedY *= -1;
}
}
}
}
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