private void moveDot(Windows.Foundation.Point newPosition)
        {
            Vector2 origin = spriteBatch.CalculatePointerPosition(
                new Vector2((float)newPosition.X, (float)newPosition.Y),
                PositionUnits.Pixels);


            //TODO : Need to work out how to calculate this 35/28 factor
            Vector2 offset = new Vector2(63.0f, 35.0f) * origin;

            _currentPointerPosition.X = offset.X;
            _currentPointerPosition.Y = offset.Y;
        }