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21 lines
716 B
C
21 lines
716 B
C
#pragma once
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#include "constants.h"
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#include <stdbool.h>
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#include <math.h>
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typedef struct {
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float phase;
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double unwrapped_phase;
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float phase_increment;
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float sample_rate;
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} Oscillator;
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void init_oscillator(Oscillator *osc, float frequency, float sample_rate);
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void change_oscillator_frequency(Oscillator *osc, float frequency);
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float get_oscillator_sin_sample(Oscillator *osc);
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float get_oscillator_cos_sample(Oscillator *osc);
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float get_oscillator_sin_multiplier_ni(Oscillator *osc, float multiplier);
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float get_oscillator_cos_multiplier_ni(Oscillator *osc, float multiplier);
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bool advance_oscillator(Oscillator *osc);
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bool oscillator_did_cycle(Oscillator *osc, float phase_shift, float *prev_shifted_phase); |