​

function toCartesian(r, theta) {

  return [r*cos(theta), r*sin(theta)];

}

​

function drawLetter() {

  let angles = [];

  for (let i = 0; i < int(random(5, 15)); i++) {

    angles.push(PI/12 * int(random(12)));

  }

  beginShape();

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

    let xy = toCartesian(50, angles[i]);

    curveVertex(xy[0], xy[1]);

  }

  endShape();

}

​

function setup() {

  createCanvas(600, 600);

}

​

function draw() {

  background(220);

  push();

  translate(width/(gridSize*2), height/(gridSize*2));

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

    for (let j = 0; j < gridSize; j++) {

        push();

        translate(i * (width/gridSize), j * (height/gridSize));

      scale(0.5);

      strokeWeight(2);

        stroke(0);

        noFill();

        drawLetter();

        pop();

    }

  }

  pop();

  noLoop();

}

​

function mousePressed() {

  draw();

}