fix: piano now works with midi numbers

packages/core/util.mjs

@@ -31,6 +31,12 @@ export const fromMidi = (n) => {
   return Math.pow(2, (n - 69) / 12) * 440;
 };
 
+export const midi2note = (n) => {
+  const oct = Math.floor(n / 12) - 1;
+  const pc = ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B'][n % 12];
+  return pc + oct;
+};
+
 // modulo that works with negative numbers e.g. mod(-1, 3) = 2
 // const mod = (n: number, m: number): number => (n < 0 ? mod(n + m, m) : n % m);
 export const mod = (n, m) => ((n % m) + m) % m;

packages/tone/tone.mjs

@@ -62,7 +62,11 @@ Pattern.prototype.tone = function (instrument) {
       } else if (instrument instanceof NoiseSynth) {
         instrument.triggerAttackRelease(hap.duration.valueOf(), time); // noise has no value
       } else if (instrument instanceof Piano) {
-        note = getPlayableNoteValue(hap);
+        // note = getPlayableNoteValue(hap); // piano does not understand frequencies
+        note = hap.value;
+        if (typeof note === 'number') {
+          note = midi2note(note);
+        }
         instrument.keyDown({ note, time, velocity });
         instrument.keyUp({ note, time: time + hap.duration.valueOf(), velocity });
       } else if (instrument instanceof Sampler) {