1 files changed, 49 insertions, 0 deletions
diff --git a/src/lib/kalimba.js b/src/lib/kalimba.js
new file mode 100644
index 0000000..a8e0c0e
--- /dev/null
+++ b/src/lib/kalimba.js
@@ -0,0 +1,49 @@
+import * as Tone from "tone";
+import { choice } from "./util";
+import output from "./output";
+
+const player_count = 4;
+let player_index = 0;
+
+const samples = [
+  { root: 226, fn: "samples/380737__cabled-mess__sansula-01-a-raw.mp3" },
+  { root: 267, fn: "samples/380736__cabled-mess__sansula-02-c-raw.mp3" },
+  { root: 340, fn: "samples/380735__cabled-mess__sansula-03-e-raw.mp3" },
+  { root: 452, fn: "samples/380733__cabled-mess__sansula-06-a-02-raw.mp3" },
+  //  { root: 507, fn: 'samples/380734__cabled-mess__sansula-07-b-h-raw.wav', },
+  //  { root: 535, fn: 'samples/380731__cabled-mess__sansula-08-c-raw.wav', },
+  //  { root: 671, fn: 'samples/380732__cabled-mess__sansula-09-e-raw.wav', },
+];
+
+samples.forEach((sample) => {
+  sample.players = [];
+  sample.index = -1;
+  for (let i = 0; i < player_count; i++) {
+    let fn = sample.fn;
+    if (window.location.href.match(/asdf.us/)) {
+      fn = "//asdf.us/kalimba/" + fn;
+    }
+    let player = new Tone.Player({
+      url: fn,
+      retrigger: true,
+      playbackRate: 1,
+    });
+    player.connect(output);
+    sample.players.push(player);
+  }
+});
+
+function play(freq, time) {
+  const best = choice(samples);
+  best.index = (best.index + 1) % player_count;
+
+  const player = best.players[best.index];
+  player.playbackRate = freq / best.root;
+  player.start(time || 0);
+}
+
+function pause() {
+  // no-op
+}
+
+export default { play, pause };