// Daniel Shiffman

// http://natureofcode.com

​

// Cantor Set

// Renders a simple fractal, the Cantor Set

​

function setup() {

  createCanvas(800, 200);

  background(51);

  // Call the recursive function

  cantor(35, 0, 730);

}

​

function draw() {

  // No need to loop

  noLoop();

}

​

​

function cantor(x, y, len) {

  var h = 30;

  // recursive exit condition

  if (len >= 1) {

    // Draw line (as rectangle to make it easier to see)

    noStroke();

    fill(255);

    rect(x, y, len, h/3);

    // Go down to next y position

    y += h;

    // Draw 2 more lines 1/3rd the length (without the middle section)

    cantor(x, y, len/3);

    cantor(x+len*2/3, y, len/3);

  }

}