// semilla-4201.js

const rand  = mulberry32(seed);
const noise = perlin2D(rand);

for (let p = 0; p < 1100; p++) {
  let x = rand() * W, y = rand() * H;
  for (let s = 0; s < 90; s++) {
    const a = noise(x * f, y * f) * TAU * turb;
    x += cos(a) * step;
    y += sin(a) * step;
    lineTo(x, y);
  }
}

seed=4201 · #6dea587

// variaciones-de-caos.js

const rand  = mulberry32(seed);
const noise = perlin2D(rand);

for (let r = 0; r < 44; r++) {
  const y0 = H * (0.2 + 0.68 * r / 44);
  for (let t = 0; t <= 1; t += 1 / 160) {
    const env = sin(PI * t) ** 2.4;
    lineTo(x(t), y0 - noise(t * f + off, r * 0.22) ** 2.2 * env * peak);
  }
}

seed=1312 · #63312cd

// encargo-para-marca.js

const rand  = mulberry32(seed ^ hash(datos));
const noise = perlin2D(rand);

for (let i = 0; i < 30; i++) {
  const radio = R * (0.3 + 0.7 * i / 30);
  for (let a = 0; a < TAU; a += TAU / 200) {
    const n = noise(cos(a) * k + i * 0.06, sin(a) * k);
    vertex(a + i * giro, radio * (1 + amp * n));
  }
  closeShape();
}

seed=88 · #fbc75f8

// coleccion-ritual.js

const rand = mulberry32(seed);
const simetria = 6 + floor(rand() * 7);
const motivo = generarMotivo(rand);

for (let s = 0; s < simetria; s++) {
  for (const espejo of [1, -1]) {
    rotate(s * TAU / simetria);
    scale(1, espejo);
    dibujar(motivo);
  }
}

seed=777 · #84d2a4d