protected void Update()
{
if (Time.fixedTime < _startTime)
{
return;
}
int sampleCount = Mathf.CeilToInt(Mathf.Min(targetSamplesPerSecond * Time.deltaTime * _throttleFactor, Mathf.Exp(speedupRate * (Time.time - _startTime)) * Time.deltaTime));
var stopwatch = new System.Diagnostics.Stopwatch();
stopwatch.Start();
for (int i = 0; i < sampleCount; ++i)
{
var sample = _sampleGenerator.Next();
if (float.IsNaN(sample))
{
continue;
}
var index = Mathf.RoundToInt(Mathf.Clamp(sample * _scale + _offset, -1f, _samples.Length));
if (index >= 0 && index < _samples.Length)
{
_samples[index] += 1;
}
}
stopwatch.Stop();
float elapsedTime = (float)((double)stopwatch.ElapsedTicks / System.Diagnostics.Stopwatch.Frequency);
if (elapsedTime > maxFrameTime)
{
_throttleFactor = Mathf.Max(0.000001f, _throttleFactor * maxFrameTime * 0.99f / Mathf.Max(0.001f, elapsedTime));
}
else if (_throttleFactor < 1f)
{
_throttleFactor = Mathf.Min(_throttleFactor * 1.01f, 1f);
}
int maxSampleCount = minSampleScale;
for (int i = 0; i < _samples.Length; ++i)
{
maxSampleCount = Mathf.Max(maxSampleCount, _samples[i]);
}
for (int x = 0; x < _texture.width; ++x)
{
_pixels[x] = _pixels[x + _texture.width] = new Color(_samples[x] / (float)maxSampleCount, 0f, 0f, 1f);
}
_texture.SetPixels(_pixels);
_texture.Apply(false, false);
_totalSampleCount += sampleCount;
_totalTimeMicroseconds += Mathf.FloorToInt(elapsedTime * 1000000f);
double totalSamplesPerSecond = _totalSampleCount / (_totalTimeMicroseconds / 10000000d);
samplesPerSecondLabel.text = string.Format("samples/s: {0:N0}", totalSamplesPerSecond);
}
