28 lines
648 B
C
28 lines
648 B
C
/*
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* Filename: fm_core.c
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*
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* Description:
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*
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*
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* Version:
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* Created: Thu Oct 31 02:06:11 2019
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* Revision: None
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* Author: Rachel Fae Fox (foxiepaws),fox@foxiepa.ws
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*
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*/
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#include "../common.h"
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#include "../utils/envelope.h"
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#include "fm_core.h"
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#include <math.h>
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float core_fm_run(Operator* self, EngineState * t,float phase) {
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self->e.gate = self->gate;
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float out = 0;
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out = sin(2 * M_PI * t->t * (self->mul * self->freq) / 44100 + ((self->feedback_level > 0.0) ? self->feedback_buffer : phase));
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out *= (self->level * self->e.process(&self->e,t));
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self->feedback_buffer = out;
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return out;
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}
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