​

let cols;

let PTS;

let ip;

let sc;

let tx, ty;

let res;

​

function setup() {

  PTS = 12000000;

  ip = 1 / TWO_PI;

  sc = 100;

  res = 800;

​

  createCanvas(res, res);

  tx = (width - res) / 2;

  ty = (height - res) / 2;

​

  cols = [];

  for (let i = 0; i < 1024; i++) {

    cols[i] = [];

  }

​

  do {

    let a = random() * TWO_PI - PI;

    let b = random() * TWO_PI - PI;

    let x = 0;

    let y = 0;

    let c = random() * TWO_PI - PI;

    let d = random() * TWO_PI - PI;

​

    if (abs(a) < 1) continue;

    if (abs(b) < 1) continue;

    if (abs(c) < 1) continue;

    if (abs(d) < 1) continue;

​

    let good = 100;

    for (let i = 0; i < 100; i++) {

      let nx = sin(a * y) - cos(b * x);

      let ny = sin(c * x) - cos(d * y);

​

      let v = (x - nx) ** 2 + (y - ny) ** 2;

      x = nx;

      y = ny;

      if (v < exp(-7)) good--;

    }

    if (good > 0) break;

  } while (1);

​

  background(0);

}

​

function draw() {}

​