amark · June 17, 2019 22:31 · Jun 17, 2019
diff --git a/player.html b/player.html
@@ -0,0 +1,33 @@
+<script src="https://cdnjs.cloudflare.com/ajax/libs/tone/13.8.12/Tone.js"></script>
+<textarea id="foo" style="width: 100%; height: 100%;">this track continues into the new line &
+here
+but this is a different track playing simultaneously with first.</textarea>
+<script>;(function(){
+
+foo.onmouseup = function(){ play(foo.value) }
+
+window.play = function play(S){
+	var N = [], f = true;
+	S = split(S, '\n\n'); // split song into sections if haven't already
+	S.forEach(function(s, T){
+		if(!f){ return N.push(s) } f = false; // handle recurse
+		if(typeof s == 'string'){ s = s.replace('&\n', '') } // parse once
+		var n = []; // do we have next?
+		T = split(s, '\n');
+		T.forEach(function(t){ // For each track, of the first section, of the current version of the song
+			new Tone.Synth().toMaster().triggerAttackRelease(convert(t[0])+'4', '0.1s'); // ... play the first note of each track!
+			t = t.slice(1); if(t.length){ n.push(t) } // handle recurse
+		});
+		if(n.length){ N.push(n) }
+	});
+	if(N.length){ setTimeout(function(){ play(N) }, 100) }
+}
+function convert(t){
+	var notes = 'ABCDEFG'.split('');
+	return notes[t.charCodeAt(0) % notes.length]
+}
+function split(t, on){
+ return typeof t == 'string'? t.split(on) : t;
+}
+
+}());</script>
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