[sourcecode language=”java”]
package
{
import flash.display.Sprite;
import flash.events.Event;
public class RotateToMouse extends Sprite {
private var arrow:Arrow;
public function RotateToMouse() {
init();
}
private function init():void {
arrow = new Arrow();
addChild(arrow);
arrow.x = stage.stageWidth / 2;
arrow.y = stage.stageHeight / 2;
addEventListener(Event.ENTER_FRAME, onEnterFrame);
}
public function onEnterFrame(event:Event):void {
var dx:Number = mouseX – arrow.x;
var dy:Number = mouseY – arrow.y;
var radians:Number = Math.atan2(dy, dx);
arrow.rotation = radians * 180 / Math.PI;
}
}
}
[/sourcecode]
ballがランダムの動きっす