ActionScript 3.0 Note

import flash.events.Event; import flash.geom.Point; stage.addEventListener (Event.ENTER_FRAME,enterframe); function enterframe(e:Event):void{ arrow_mc.rotation=GetAngleOfLineBetweenTwoPoints(new Point(arrow_mc.x,arrow_mc.y),new Point(mouseX,mouseY)); } function GetAngleOfLineBetweenTwoPoints(p1:Point, p2:Point):Number{ var xDiff:Number= p2.x - p1.x; var yDiff:Number= p2.y - p1.y; return Math.atan2(yDiff, xDiff)/Math.PI*180; }