kopia lustrzana https://github.com/jameshball/osci-render
17 wiersze
673 B
C++
17 wiersze
673 B
C++
#include "BitCrushEffect.h"
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BitCrushEffect::BitCrushEffect() {}
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// algorithm from https://www.kvraudio.com/forum/viewtopic.php?t=163880
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OsciPoint BitCrushEffect::apply(int index, OsciPoint input, const std::vector<std::atomic<double>>& values, double sampleRate) {
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double value = values[0];
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// change rage of value from 0-1 to 0.0-0.78
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double rangedValue = value * 0.78;
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double powValue = pow(2.0f, 1.0 - rangedValue) - 1.0;
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double crush = powValue * 12;
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double x = powf(2.0f, crush);
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double quant = 0.5 * x;
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double dequant = 1.0f / quant;
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return OsciPoint(dequant * (int)(input.x * quant), dequant * (int)(input.y * quant), dequant * (int)(input.z * quant));
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}
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