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randomize phase

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This commit is contained in:
Chris
2024-07-22 21:44:32 +02:00
parent 99c0028ba5
commit e65116a9c3
1 changed files with 14 additions and 1 deletions
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15
synth/tx_sineosc.h
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@@ -1,5 +1,6 @@
#pragma once #pragma once
#include <cmath> #include <cmath>
#include <random>
namespace trnr { namespace trnr {
@@ -14,13 +15,17 @@ public:
, history {0.} , history {0.}
, phase_reset {false} , phase_reset {false}
{ {
randomize_phase();
} }
void set_phase_resolution(float res) { phase_resolution = powf(2, res); } void set_phase_resolution(float res) { phase_resolution = powf(2, res); }
float process_sample(bool trigger, float frequency, float phase_modulation = 0.f) float process_sample(bool trigger, float frequency, float phase_modulation = 0.f)
{ {
if (trigger && phase_reset) { phase = 0.0; } if (trigger) {
if (phase_reset) phase = 0.f;
else randomize_phase();
}
float lookup_phase = phase + phase_modulation; float lookup_phase = phase + phase_modulation;
wrap(lookup_phase); wrap(lookup_phase);
@@ -37,11 +42,19 @@ public:
void set_samplerate(double _samplerate) { this->samplerate = _samplerate; } void set_samplerate(double _samplerate) { this->samplerate = _samplerate; }
void randomize_phase()
{
std::mt19937 gen(random());
std::uniform_real_distribution<> dis(0.0, 1.0);
phase = dis(gen);
}
private: private:
double samplerate; double samplerate;
float phase_resolution; float phase_resolution;
float phase; float phase;
float history; float history;
std::random_device random;
float sine(float x) float sine(float x)
{ {