function setup() {

  createCanvas(windowWidth,

               windowHeight);

  background(234, 234, 234);



  for (val = 5; val < windowWidth; val = val + 50) {

    strokeWeight(val / 10);

    point(val, height / 2);

  }

}



function deaw() {

	line(20,100,200,random(20,100))

}