const cellSize = 5;

let currentRow = 0;

​

function setup() {

  createCanvas(500, 400);

  background('black');

  // strokeWeight(0.1);

  const numCells = width / cellSize;

  for (let i = 0; i < numCells; i++) {

    cells[i] = round(random(0,2));

  }

  cells[round(numCells / 2)] = 2;

}

​

function draw() {

  fill('white');

  noStroke();

  translate(0, currentRow * cellSize);

  currentRow++;

  for (let i = 0; i < cells.length; i++) {

    if (cells[i] == 2) {

      fill('black');

        rect(i * cellSize, 0, cellSize, cellSize);

    } else if (cells[i] == 1) {

      fill('white');

      stroke('black');

      ellipse(i * cellSize, 0, cellSize, cellSize);

    } else {

      noFill();

      stroke('white');

      rect(i * cellSize, 0, cellSize, cellSize);

}

  // rect(i * cellSize, 0, cellSize, cellSize);

  }

  let newCells = [];

  for (let i = 0; i < cells.length; i++) {

    // const leftleft = cells[i - 2] ?? 0;

    // const left = cells[i - 1] ?? 0;

    // const middle = cells[i];

    // const right = cells[i + 1] ?? 0;

    // const rightright = cells[i + 2] ?? 0;

    // const sum = left + middle + right + leftleft + rightright;

    let sum = 0;

    let nSize = 6;

    for (let n = -nSize; n <= nSize; n++) {

      sum = sum + (cells[i + n] ?? 0);

    }

    if (sum % 2 || sum %3) {

      newCells[i] = 1;

    } else if (sum < 3) {

      newCells[i] = 2;

    } else {

      newCells[i] = 0;

    }

  }

  cells = newCells;

  // translate(10,3);

  // rotate(cells);

}

​

​