public override void Draw(GameTime gameTime, AnalyzedAudio data)
{
if (Vertices == null)
{
Vertices = new VertexPositionColor[256];
}
var heartData = Shapes.CreateHeart();
for (int i = 0; i < heartData.Length; i++)
{
Vertices[i].Position = new Vector3(heartData[i], 0) * 15;
Vertices[i].Color = AppShell.ColorPalette.Color1;
}
int drawCount = heartData.Length - 1;
var basicEffect = AppShell.BasicEffect;
var View = Matrix.Identity;
var Projection = Matrix.CreateOrthographic(AppShell.Width, AppShell.Height, -1.0f, 1.0f);
basicEffect.View = View;
basicEffect.Projection = Projection;
foreach (EffectPass pass in basicEffect.CurrentTechnique.Passes)
{
pass.Apply();
AppShell.GraphicsDevice.DrawUserPrimitives(PrimitiveType.LineStrip, Vertices, 0, drawCount, VertexPositionColor.VertexDeclaration);
}
}
public AnalyzedAudioCache(Type operatorType, AnalyzedAudio analyzedAudio, int sampleCount, int sampleRate, string hash)
{
OperatorType = operatorType;
AnalyzedAudio = analyzedAudio;
SampleCount = sampleCount;
SampleRate = sampleRate;
AudioHash = hash;
}
public WaveData Synthesize(AnalyzedAudio analyzedAudio, Action <double> notifyProgress)
{
var waa = analyzedAudio as WorldAnalyzedAudio;
var samplePosition = (int)Math.Ceiling(waa.BeginFrame * waa.FrameSize);
var result = new double[waa.SampleCount + 1];
var fadeRad = Math.PI * 2.0 / Math.Floor(waa.FrameSize);
var beginFade = Enumerable.Range(0, (int)waa.FrameSize).Select((i) => (1.0 + Math.Tanh(i * fadeRad - Math.PI)) * 0.5).ToArray();
var endFade = beginFade.Reverse().ToArray();
var progress = 0;
Parallel.For(0, waa.Elements.Length, (i) =>
{
var e = waa.Elements[i];
if (e.FramePosition < waa.BeginFrame || e.FramePosition > waa.BeginFrame + waa.FrameLength)
{
return;
}
var w = e.Synthesize();
if (e.SilentStart)
{
for (var n = 0; n < beginFade.Length; n++)
{
w[n] *= beginFade[n];
}
}
for (var n = 0; n < endFade.Length; n++)
{
w[w.Length - endFade.Length + n] *= endFade[n];
}
lock (LockObject)
{
var srcOffset = Math.Max(samplePosition - e.SamplePosition, 0);
var dstOffset = Math.Max(e.SamplePosition - samplePosition, 0);
w.BlockCopy(srcOffset, result, dstOffset, Math.Min(w.Length - srcOffset, result.Length - dstOffset));
progress++;
notifyProgress(progress / (double)waa.Elements.Length * 100.0);
}
});
return(new WaveData(
result.Skip((int)(waa.BeginFrame * waa.FrameSize))
.Take((int)Math.Ceiling((waa.BeginFrame + waa.FrameLength) * waa.FrameSize))
.ToArray(),
waa.SampleRate
));
}
public WaveDataStream Synthesize(AnalyzedAudio analyzedAudio)
{
return(new WorldSynthesisStream(analyzedAudio as WorldAnalyzedAudio));
}
