Points value split to Chars

function PointsRefresh () {

        var a : float = 0.0;
        var duration : float = 2;

        while (a < 1.0)
        {
            var pointsTrans : int = Mathf.Lerp(previousPoints, playerPoints, Mathf.SmoothStep(0.0, 1.0, a));

            var splitPoints = pointsTrans.ToString().ToCharArray();

            for (var i : int = 0; i < splitPoints.length; i++)
            {
                var j = splitPoints.length - i - 1;

                if(pointsKeeper[j] != null)
                {
                    pointsKeeper[j].GetComponent(fontData).Refresh(32 + Char.GetNumericValue(splitPoints[i]));
                    print(playerPoints);
                }
            }

            a += Time.deltaTime * duration;
            yield WaitForSeconds (1.0 / 60);

        }

        previousPoints = playerPoints;

}