Merge pull request #108 from edelveart/generators

docs(generators): add examples of continuos attract

src/documentation/patterns/generators.ts

@@ -46,6 +46,8 @@ ${makeExample(
 true,
 )};
 
+When you want to dance with a dynamic system in controlled musical chaos, Topos is waiting for you:
+
 ${makeExample(
   "Truly scale free chaos inspired by Lorentz attractor",
   `
@@ -72,6 +74,57 @@ ${makeExample(
   true,
 )};
 
+${makeExample(
+    "Henon and his discrete music",
+    `
+  function* henonmap(x = 0, y = 0, a = 1.4, b = 0.3) {
+    while (true) {
+      const newX = 1 - a * x ** 2 + y;
+      const newY = b * x;
+      const fusionPoint = newX + newY
+      yield fusionPoint * 300;
+      [x, y] = [newX, newY]
+    }
+  }
+
+  beat(0.25) :: sound("sawtooth")
+    .semitones(1,1,2,2,2,1,2,1)
+    .freq(cache("henonSynth", henonmap()))
+    .adsr(0, 0.1, 0.1, 0.5).out()
+
+  z0('1 {-2}').octave(-2).sound('bd').out()
+  z1('e. 1 s 3!2 e 3!2 s 9 8 1')
+    .sound('dr').gain(0.3).octave(-5).out()
+    `,
+    true,
+  )};
+
+${makeExample(
+  "1970s fractal dream",
+  `
+  function* rossler(x = 0.1, y = 0.1, z = 0.1, a = 0.2, b = 0.2, c = 5.7) {
+    while (true) {
+      const dx = - y - z;
+      const dy = x + (a * y);
+      const dz = b + (x * z) - (c * z);
+
+      x += dx * 0.01;
+      y += dy * 0.01;
+      z += dz * 0.01;
+
+      const value = 250 * (Math.cosh(x*z) + Math.sinh(y*z))
+      yield value % 120 + 100;
+    }
+  }
+
+  beat(0.25) :: sound("triangle")
+    .freq(cache("rossler attractor", rossler(3,4,1)))
+    .adsr(0,.1,.1,.1)
+    .log("freq").out()
+  `,
+  true,
+)};
+
 ## OEIS integer sequences
 
 To find some inspiration - or to enter into the void - one can visit <a href="https://oeis.org/" target="_blank">The On-Line Encyclopedia of Integer Sequences (OEIS)</a> to find some interesting integer sequences.