/* Inspired by P-122, a classic drawing by Manfred Mohr

 https://www.studiointernational.com/index.php/chance-and-control-art-in-the-age-of-computers-review-victoria-albert-museum */

var a,b;

function setup() {

  //sX and sY define the spacing at X and Y.

  // You can try getting both equal or changing

  // sX=5 and sY=sX*2

  var sX=20,sY=sX,sQ=sX*1.25,x,y,q=0,m;

  createCanvas(800, 600);

    background(0);

  stroke(255);

  for(y=0;y<height;y+=sY){

    for(x=0;x<width;x+=sQ){

      m=(sX/2)*noise(q++);

      z=x+sX;

      w=y-sY*.9*noise(q++);

      a=x;b=y;

      l(x+m,w);

      l(z-m,w);

      l(z,y);l(x+sQ,y);

    }

    q++;

  }

}

​

function l(x,y){

  line (a,b,x,y);

  a=x;b=y;

}