fix: retriggering phase problem

inc/Synth.h

@@ -9,22 +9,25 @@
 
 class Synth {
   private:
+    bool is_note_triggered;
     std::vector<Oscillator*> m_oscillators;
     Adder m_adder;
     std::vector<Effect*> m_effects;
     // OscillatorUI* ui_oscillators;
     // Note m_current_note;
     std::vector<float> m_out_signal;
-    void get_note(int semitone, float beats);
+    void get_note();
     void apply_effects();
 
   public:
     Synth(/* args */);
     ~Synth();
-    void ProduceNoteSound(Note input);
+    void TriggerNote(Note input);
-    void StopNoteSound();
+    void ProduceSound();
+    void StopSound();
     void AddOscillator();
     void AddEffect(Effect* fx);
     const std::vector<float>& GetOutSignal() { return m_out_signal; }
     const std::vector<Oscillator*>& GetOscillators() { return m_oscillators; }
+    const bool& GetIsNoteTriggered() { return is_note_triggered; }
 };

src/Application.cpp

@@ -93,13 +93,16 @@ bool Application::detect_note_pressed(Note* note) {
 void Application::update_on_note_input() {
     if (detect_note_pressed(m_current_note)) {
         // if (detect_note_pressed(m_current_note)) {
-        m_synth.ProduceNoteSound((*m_current_note));
+        if (!m_synth.GetIsNoteTriggered()){
+            m_synth.TriggerNote((*m_current_note));
+        }
+        m_synth.ProduceSound();
         //m_sound_played_count = 0;
         write_log("Note played: %s\n", m_current_note->name.c_str());
         //}
     }
     else {
-        m_synth.StopNoteSound();
+        m_synth.StopSound();
     }
     
 }

src/Synth.cpp

@@ -19,19 +19,12 @@ Synth::~Synth() {
     m_out_signal.clear();
 }
 
-void Synth::get_note(int semitone, float beats) {
+void Synth::get_note() {
     for (size_t i = 0; i < STREAM_BUFFER_SIZE; i++) {
         float sample = 0.0f;
         m_out_signal[i] = sample;
     }
 
-    float hz = KeyBoard::GetHzBySemitone(semitone);
-
-    // will change after oscillator starts to be more autonomous
-    for (Oscillator* osc : m_oscillators) {
-        osc->SetFreq(hz);
-    }
-
     // todo: add other pipeline steps (e.g ADSR, Filters, FX);
     Adder::SumOscillators(m_oscillators, m_out_signal);
 }
@@ -44,18 +37,29 @@ void Synth::apply_effects() {
     }
 }
 
-void Synth::ProduceNoteSound(Note input) {
+void Synth::TriggerNote(Note input) {
     float length = 1.f / input.length;
     int semitone_shift = KeyBoard::GetSemitoneShift(input.name);
-    get_note(semitone_shift, length);
+    float hz = KeyBoard::GetHzBySemitone(semitone_shift);
+
+    // will change after oscillator starts to be more autonomous
+    for (Oscillator* osc : m_oscillators) {
+        osc->SetFreq(hz);
+    }
+    is_note_triggered = true;
+}
+
+void Synth::ProduceSound() {
+    get_note();
     apply_effects();
 }
 
-void Synth::StopNoteSound() {
+void Synth::StopSound() {
     for (size_t i = 0; i < STREAM_BUFFER_SIZE; i++) {
         float sample = 0.0f;
         m_out_signal[i] = sample;
     }
+    is_note_triggered = false;
 }
 
 void Synth::AddOscillator() {