build

docs/dist/euclid.js

@@ -0,0 +1,14 @@
+import {Pattern} from "../_snowpack/link/strudel.js";
+import bjork from "../_snowpack/pkg/bjork.js";
+import {rotate} from "../_snowpack/link/util.js";
+const euclid = (pulses, steps, rotation = 0) => {
+  const b = bjork(steps, pulses);
+  if (rotation) {
+    return rotate(b, -rotation);
+  }
+  return b;
+};
+Pattern.prototype.euclid = function(pulses, steps, rotation = 0) {
+  return this.struct(euclid(pulses, steps, rotation));
+};
+export default euclid;

docs/dist/evaluate.js

@@ -5,7 +5,8 @@ import "./voicings.js";
 import "./tonal.js";
 import "./xen.js";
 import "./tune.js";
-import "./tune.js";
+import "./euclid.js";
+import euclid from "./euclid.js";
 import "./pianoroll.js";
 import "./draw.js";
 import * as uiHelpers from "./ui.js";
@@ -28,7 +29,7 @@ function hackLiteral(literal, names, func) {
 }
 hackLiteral(String, ["mini", "m"], bootstrapped.mini);
 hackLiteral(String, ["pure", "p"], bootstrapped.pure);
-Object.assign(globalThis, bootstrapped, Tone, toneHelpers, voicingHelpers, drawHelpers, uiHelpers, {gist});
+Object.assign(globalThis, bootstrapped, Tone, toneHelpers, voicingHelpers, drawHelpers, uiHelpers, {gist, euclid});
 export const evaluate = async (code) => {
   const shapeshifted = shapeshifter(code);
   drawHelpers.cleanup();

docs/dist/parse.js

@@ -12,6 +12,8 @@ const applyOptions = (parent) => (pat, i) => {
       case "stretch":
         const speed = new Fraction(operator.arguments_.amount).inverse().valueOf();
         return reify(pat).fast(speed);
+      case "bjorklund":
+        return pat.euclid(operator.arguments_.pulse, operator.arguments_.step, operator.arguments_.rotation);
     }
     console.warn(`operator "${operator.type_}" not implemented`);
   }

docs/dist/tunes.js

@@ -515,3 +515,30 @@ stack(
   .fast(2 / 3)
   .tone(p.toDestination())
 )`;
+export const festivalOfFingers = `const chords = "<Cm7 Fm7 G7 F#7>";
+piano().then(p=>stack(
+  chords.voicings().struct("x(3,8,-1)").velocity(.5).off(1/7,x=>x.transpose(12).velocity(.2)),
+  chords.rootNotes(2).struct("x(4,8,-2)"),
+  chords.rootNotes(4)
+  .scale(slowcat('C minor','F dorian','G dorian','F# mixolydian'))
+  .struct("x(3,8,-2)".fast(2))
+  .scaleTranspose("0 4 0 6".early(".125 .5")).layer(scaleTranspose("0,<2 [4,6] [5,7]>/4"))
+).slow(2)
+             //.pianoroll()
+ .velocity(sine.struct("x*8").add(3/5).mul(2/5).fast(8))
+ .tone(p.chain(out())))`;
+export const festivalOfFingers2 = `const chords =       "<Cm7       Fm7        G7         F#7            >";
+ const scales = slowcat('C minor','F dorian','G dorian','F# mixolydian')
+ piano().then(p=>stack(
+   chords.voicings().struct("x(3,8,-1)").velocity(.5).off(1/7,x=>x.transpose(12).velocity(.2)),
+   chords.rootNotes(2).struct("x(4,8)"),
+   chords.rootNotes(4)
+   .scale(scales)
+   .struct("x(3,8,-2)".fast(2))
+   .scaleTranspose("0 4 0 6".early(".125 .5")).layer(scaleTranspose("0,<2 [4,6] [5,7]>/3"))
+ ).slow(2).transpose(-1)            
+  .legato(cosine.struct("x*8").add(4/5).mul(4/5).fast(8))
+  .velocity(sine.struct("x*8").add(3/5).mul(2/5).fast(8))
+  // .pianoroll()
+  .tone(p.chain(out())).fast(3/4)
+ )`;

docs/dist/voicings.js

@@ -26,7 +26,7 @@ Pattern.prototype.voicings = function(range) {
 };
 Pattern.prototype.rootNotes = function(octave = 2) {
   return this.fmap((value) => {
-    const [_, root] = value.match(/^([a-gA-G])[b#]?.*$/);
+    const [_, root] = value.match(/^([a-gA-G][b#]?).*$/);
     return root + octave;
   });
 };