gistfile1.txt

private void PowerCircleAnimation(double soundLevel)
        {
            WavesStoryboard.Stop();

            _maxSoundLevel = Math.Max(soundLevel, 1d);
            var radiusCoeff = _maxSoundLevel == 0.0f ? 0.0f : soundLevel/_maxSoundLevel;
            var radius = _minRadius + (_maxRadius - _minRadius)*Math.Min(radiusCoeff, 1d);


            var width = WavesStoryboard.Children[0] as DoubleAnimationUsingKeyFrames;
            if (width != null)
            {
                width.KeyFrames[1].Value = radius*2;
                width.KeyFrames[1].KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(600));
            }

            var height = WavesStoryboard.Children[1] as DoubleAnimationUsingKeyFrames;
            if (height != null)
            {
                height.KeyFrames[1].Value = radius;
                height.KeyFrames[1].KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(600));
            }

            Debug.WriteLine("Power circle animation begin");

            WavesStoryboard.Begin();

            Debug.WriteLine("Power circle animation stop");
        }