add webdirt + osc

starter/main.js

@@ -1,30 +1,63 @@
 import { evaluate, evalScope } from '@strudel.cycles/eval';
 import { Scheduler, getAudioContext } from '@strudel.cycles/webaudio';
+import { loadWebDirt } from '@strudel.cycles/webdirt';
+import controls from '@strudel.cycles/core/controls.mjs';
 
-const ac = getAudioContext();
-
-const scheduler = new Scheduler({
-  audioContext: ac,
-  interval: 0.1,
-  onEvent: (e) => {
-    // console.log('e', e.show());
-    const oscillator = ac.createOscillator();
-    oscillator.type = 'sawtooth';
-    oscillator.frequency.setValueAtTime(e.value, ac.currentTime); // value in hertz
-    oscillator.connect(ac.destination);
-    oscillator.start(e.whole.begin);
-    oscillator.stop(e.whole.end);
-  },
-});
-
+// import desired modules and add them to the eval scope
 await evalScope(
   import('@strudel.cycles/core'),
   import('@strudel.cycles/mini'),
+  import('@strudel.cycles/osc'),
+  import('@strudel.cycles/webdirt'),
+  controls,
   // import other strudel packages here
 ); // add strudel to eval scope
 
+const audioContext = getAudioContext();
+const latency = 0.5;
+
+// load default samples + init webdirt
+loadWebDirt({
+  audioContext,
+  // latency,
+  sampleMapUrl: 'https://strudel.tidalcycles.org/EmuSP12.json',
+  sampleFolder: 'https://strudel.tidalcycles.org/EmuSP12/',
+});
+
+// the scheduler will query the pattern within the given interval
+const scheduler = new Scheduler({
+  audioContext,
+  interval: 0.1,
+  onEvent: (hap) => {
+    // when using .osc or .webdirt, each hap will have context.onTrigger set
+    // if no onTrigger is set, try to play hap.value as frequency with a cheap oscillator
+    if (!hap.context.onTrigger) {
+      // console.log('e', e.show());
+      const oscillator = audioContext.createOscillator();
+      const master = audioContext.createGain();
+      master.gain.value = 0.1;
+      master.connect(audioContext.destination);
+      oscillator.type = 'sawtooth';
+      oscillator.frequency.value = hap.value;
+      oscillator.connect(master);
+      oscillator.start(hap.whole.begin);
+      oscillator.stop(hap.whole.end);
+    }
+  },
+});
+
+// eval + start on button click
 document.getElementById('start').addEventListener('click', async () => {
-  const { pattern } = await evaluate(`"55 [110,165] 110 [220,275]".mul("<1 <3/4 2/3>>").struct("x(3,8)")`);
+  const { pattern } = await evaluate(
+    // 's("bd sd").osc()', // need to run sclang + osc server (npm run osc in strudel root)
+    `stack(
+      s("bd(3,8),hh*4,~ sd").webdirt(),
+      stack(
+        "55 [110,165] 110 [220,275]".mul("<1 <3/4 2/3>>").struct("x(3,8)"),
+        "440(5,8)".legato(.2).mul("<1 3/4 2 2/3>")
+      ).velocity(.5)
+    )`,
+  );
   scheduler.setPattern(pattern);
   scheduler.start();
 });