Method DrawModule

Source/BiquadFilterEffect.cpp:110–139

}

void BiquadFilterEffect::DrawModule()
{
   mTypeSelector->Draw();

   mFSlider->Draw();
   mQSlider->Draw();
   mGSlider->Draw();

   auto FreqForPos = [](float pos)
   {
      return 20.0 * std::pow(2.0, pos * 10);
   };

   float w, h;
   GetModuleDimensions(w, h);
   ofSetColor(52, 204, 235);
   ofSetLineWidth(1);
   ofBeginShape();
   const int kPixelStep = 1;
   for (int x = 0; x < w + kPixelStep; x += kPixelStep)
   {
      float freq = FreqForPos(x / w);
      if (freq < gSampleRate / 2)
      {
         float response = mBiquad[0].GetMagnitudeResponseAt(freq);
         ofVertex(x, (.5f - .666f * log10(response)) * h);
      }
   }
   ofEndShape(false);
}

float BiquadFilterEffect::GetEffectAmount()
{