package  {
    import flash.geom.Point;
    public class ChaikinAlgorithm {

        public function ChaikinAlgorithm(s:StaticClassHelper) {

        }


        static public function processPolygon(arrayOfPoints:Array, times:uint):Array{
            if (times == 0){
                times = 1;
            }
            var result:Array = arrayOfPoints;
            for (var i:int = 0; i < times; i++){
                result = processArray(result);
            }
            return result;
        }

        static private function processArray(arr:Array):Array{
            var newArr:Array = [];
            var newPointA:Point;
            var newPointB:Point;
            for (var i = 0; i < arr.length - 1; i++){
                var a:Point = arr[i];
                var b:Point = arr[i + 1];
                newPointA = multiplyPointWithNumber(a, 3/4).add( multiplyPointWithNumber(b, 1/4));
                newPointB = multiplyPointWithNumber(a, 1/4).add( multiplyPointWithNumber(b, 3/4));
                newArr.push(newPointA, newPointB);
            }
            newPointA = multiplyPointWithNumber(arr[i], 3/4).add( multiplyPointWithNumber(arr[0], 1/4));
            newPointB = multiplyPointWithNumber(arr[i], 1/4).add( multiplyPointWithNumber(arr[0], 3/4));
            newArr.push(newPointA, newPointB);
            return newArr;
        }

        static private function multiplyPointWithNumber(p:Point, n:Number):Point{
            return new Point(p.x * n, p.y * n);
        }

    }
}

internal class StaticClassHelper {

}