From e99adffc562e6495b02d19d8d66fc684935a77ec Mon Sep 17 00:00:00 2001
From: Felix Roos <flix91@gmail.com>
Date: Mon, 9 Jun 2025 22:29:35 +0200
Subject: [PATCH] vibrato

---
 packages/supradough/dough.mjs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/packages/supradough/dough.mjs b/packages/supradough/dough.mjs
index aa2e1dfd..8a648a44 100644
--- a/packages/supradough/dough.mjs
+++ b/packages/supradough/dough.mjs
@@ -643,6 +643,11 @@ export class DoughVoice {
       [$.pattack, $.pdecay, $.psustain, $.prelease] = getADSR([$.pattack, $.pdecay, $.psustain, $.prelease]);
     }
 
+    if ($.vib) {
+      $._vib = new SineOsc();
+      $.vibmod = $.vibmod ?? getDefaultValue('vibmod');
+    }
+
     if ($.fmi) {
       $._fm = new SineOsc();
       $.fmh = $.fmh ?? getDefaultValue('fmh');
@@ -705,6 +710,7 @@ export class DoughVoice {
     let gate = Number(t >= this._begin && t <= this._holdEnd);
 
     let freq = this.freq * this.speed;
+
     // frequency modulation
     if (this._fm) {
       let fmi = this.fmi;
@@ -717,6 +723,11 @@ export class DoughVoice {
       freq = freq + this._fm.update(modfreq) * modgain;
     }
 
+    // vibrato
+    if (this._vib) {
+      freq = freq * 2 ** ((this._vib.update(this.vib) * this.vibmod) / 12);
+    }
+
     // pitch envelope
     if (this._penv) {
       const env = this._penv.update(t, gate, this.pattack, this.pdecay, this.psustain, this.prelease);