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Flipping DisplayObjects

/ Published in: ActionScript 3
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  1. public static function flipHorizontal(obj:DisplayObject):void {
  2.     var m:Matrix = obj.transform.matrix;
  3.     m.transformPoint(new Point(obj.width * .5, obj.height * .5));
  4.     m.tx = (m.a > 0)?obj.width + obj.x:obj.x - obj.width;          
  5.     m.a = -1 * m.a;
  6.     obj.transform.matrix = m;
  7. }
  8.  
  9. public static function flipVertical(obj:DisplayObject):void {
  10.     var m:Matrix = obj.transform.matrix;
  11.     m.transformPoint(new Point(obj.width * .5, obj.height * .5));
  12.     m.ty = (m.d > 0)?obj.y + obj.height:obj.y - obj.height;
  13.     m.d = -1 * m.d;
  14.     obj.transform.matrix = m;
  15. }

URL: http://www.nightdrops.com/2010/quickreference-flipping-displayobjects/

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