public override void Update()
{
//Constantly adjust the interpolation play speed,
//so there is always one sample in the buffer
float playSpeed = stateBuffer.Count * 0.5f;
//Increment the interpolation timeline
interpolationTime += Time.unscaledDeltaTime * playSpeed;
interpolationTime = Mathf.Clamp(interpolationTime, 0f, sampleInterval * 3f);
//Read from the state buffer until the interpolation timeline is caught up with real time
while ((stateBuffer.Count > 0) && (interpolationTime > sampleInterval))
{
prevState.fillEncoding(currentState.data);
currentState.fillEncoding(stateBuffer.Dequeue());
interpolationTime -= sampleInterval;
}
//Interpolate the real samples according to the interpolation timeline
lerpState.lerp(prevState, currentState, interpolationTime / sampleInterval);
//if (RealtimeGraph.Instance != null) { RealtimeGraph.Instance.AddSample("InterpolationAlpha", RealtimeGraph.GraphUnits.Miliseconds, (prevState.RPos == currentState.RPos) ? 10f : 0f); }
//Decode the interpolated state and send it off
fillCurrentFrame(lerpState);
DispatchUpdateFrameEvent(CurrentFrame);
}
void Play()
{
//If we have reached the end of our playBackBuffer or the file...
if (currentBufferTime >= (float)((playBackBuffer.Length / frameSize) - 1) / fps || currentFileTime >= (float)(((fileLength - headerLength) / frameSize) - 1) / fps)
{
readNextChunk();
}
int startFrame; float alpha;
bufferTimeToFramesandAlpha(currentBufferTime, out startFrame, out alpha);
Array.Copy(playBackBuffer, startFrame * frameSize, beginInterpolate.data, 0, frameSize);
beginInterpolate.fillEncoding(beginInterpolate.data);
Array.Copy(playBackBuffer, (startFrame + 1) * frameSize, endInterpolate.data, 0, frameSize);
endInterpolate.fillEncoding(endInterpolate.data);
playerState.lerp(beginInterpolate, endInterpolate, alpha);
currentBufferTime += Time.deltaTime / 100f;
currentFileTime += Time.deltaTime / 100f;
AddFrameState(playerState);
}