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optimize the fm modulator

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This commit is contained in:
KubaPro010
2025-03-26 13:26:45 +01:00
parent 5b8b3def6d
commit 4c472c0fc0
1 changed files with 3 additions and 4 deletions
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7
lib/fm_modulator.c
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@@ -9,8 +9,7 @@ void init_fm_modulator(FMModulator *fm, float frequency, float deviation, float
float modulate_fm(FMModulator *fm, float sample) {
float inst_freq = fm->frequency+(sample*fm->deviation);
if (inst_freq < 0.0f) inst_freq = 0.0f;
float out = sinf(fm->osc_phase);
fm->osc_phase = fmodf(fm->osc_phase + ((M_2PI * inst_freq) / fm->sample_rate), M_2PI);
return out;
fm->osc_phase += (M_2PI * inst_freq) / fm->sample_rate;
fm->osc_phase -= (fm->osc_phase >= M_2PI) ? M_2PI : 0.0f;
return sinf(fm->osc_phase);
}