230118a.m - OpenProcessing

mySketch
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let cellAutomaton;
let cellSize;
​
function setup() {
  createCanvas(1080, 2400);
  colorMode(HSB, 360, 100, 100, 100);
  angleMode(DEGREES);
  background(0, 0, 10);
  cellAutomaton = new CellAutomaton(int(random(1, 2) * 15));
}
​
function draw() {
  cellAutomaton.display();
  if (cellAutomaton.generation < height / cellAutomaton.size) {
    cellAutomaton.generate();
  } else {
     save();
    cellAutomaton = new CellAutomaton(int(random(1, 2) * 15));
    background(0, 0, 10);
     noLoop();
  }
}
​
class CellAutomaton {
  constructor(size) {
    this.size = size;
    this.cells = [];
    for (let i = 0; i < width / this.size; i++) {
      this.cells[i] = 0;
    }
    this.cells[int(this.cells.length / 2)] = 1;
    this.generation = 0;
    this.ruleset = this.setRule();
  }
  setRule() {
    let arr = [];
    for (let i = 0; i < 8; i++) {
      arr.push(random() < 0.5 ? 0 : 1);
    }
    return arr;
  }
  generate() {
    let nextgen = [];
    for (let i = 0; i < this.cells.length; i++) {
      nextgen[i] = 0;
    }
    for (let i = 1; i < this.cells.length - 1; i++) {
      let left = this.cells[i - 1]; // L
      let center = this.cells[i]; // center
      let right = this.cells[i + 1]; // R
      nextgen[i] = this.rules(left, center, right);
    }
    this.cells = nextgen;
    this.generation++;
    if (random() > 0.95) {
      this.ruleset = this.setRule();
​
    }
  }
  display() {
    for (let i = 0; i < this.cells.length; i++) {
      if (this.cells[i] == 1) {
        fill(0,0,95);
      } else {
        fill(0,0,10);
      }
      noStroke();
      push();
      translate(
        i * this.size + this.size / 2,
        height - this.generation * this.size + this.size / 2
      );
      rotate((int(random(4)) * 360) / 4);
      arc(-this.size / 2, -this.size / 2, this.size * 2, this.size * 2, 0, 90);
      pop();
    }
  }
  rules(a, b, c) {
    if (a == 1 && b == 1 && c == 1) return this.ruleset[0];
    if (a == 1 && b == 1 && c === 0) return this.ruleset[1];
    if (a == 1 && b === 0 && c == 1) return this.ruleset[2];
    if (a == 1 && b === 0 && c === 0) return this.ruleset[3];
    if (a === 0 && b == 1 && c == 1) return this.ruleset[4];
    if (a === 0 && b == 1 && c === 0) return this.ruleset[5];
    if (a === 0 && b === 0 && c == 1) return this.ruleset[6];
    if (a === 0 && b === 0 && c === 0) return this.ruleset[7];
    return 0;
  }
}