FastLED 3.9.15
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◆ mapFrequencyBin()

float fl::audio::Reactive::mapFrequencyBin ( int fromBin,
int toBin )
private

Definition at line 737 of file audio_reactive.cpp.hpp.

737 {
738 if (fromBin < 0 || toBin >= static_cast<int>(mFFTBins.bands()) || fromBin > toBin) {
739 return 0.0f;
740 }
741
742 float sum = 0.0f;
743 for (int i = fromBin; i <= toBin; ++i) {
744 if (i < static_cast<int>(mFFTBins.raw().size())) {
745 sum += mFFTBins.raw()[i];
746 }
747 }
748
749 return sum / static_cast<float>(toBin - fromBin + 1);
750}

References mFFTBins.