protected override void ProcessImpl(float[] buffer, int offset, int count)
{
int numSamples = count / 2;
for (int i = 0; i < numSamples; i++)
{
float f = MathL.Abs(2.0f * ((float)m_currentSample / m_length) - 1.0f);
f = easing.Sample(f);
float freq = fmin + (fmax - fmin) * f;
filter.SetLowPass(q, freq);
float[] s = { buffer[i * 2], buffer[i * 2 + 1] };
filter.Process(s, 0, 2);
// Apply slight mixing
float addMix = 0.85f;
//buffer[i * 2 + 0] = buffer[i * 2 + 0] * addMix + s[0] * (1.0f - addMix);
//buffer[i * 2 + 1] = buffer[i * 2 + 1] * addMix + s[1] * (1.0f - addMix);
buffer[i * 2 + 0] = MathL.Lerp(buffer[i * 2 + 0], s[0], Mix * addMix);
buffer[i * 2 + 1] = MathL.Lerp(buffer[i * 2 + 1], s[1], Mix * addMix);
m_currentSample++;
m_currentSample %= m_length;
}
}
protected override void ProcessImpl(Span <float> buffer)
{
int numSamples = buffer.Length / 2;
for (int i = 0; i < numSamples; i++)
{
float f = MathL.Abs(2.0f * ((float)m_currentSample / m_length) - 1.0f);
f = easing.Sample(f);
float freq = fmin + (fmax - fmin) * f;
filter.SetLowPass(q, freq);
float[] s = { buffer[i * 2], buffer[i * 2 + 1] };
filter.Process(s);
float addMix = 0.85f;
buffer[i * 2 + 0] = MathL.Lerp(buffer[i * 2 + 0], s[0], Mix * addMix);
buffer[i * 2 + 1] = MathL.Lerp(buffer[i * 2 + 1], s[1], Mix * addMix);
m_currentSample++;
m_currentSample %= m_length;
}
}