without perlin

const w = 600;

const h = 600;

let inc = 0.01;

let start = 0;

let frameCounter = 0;

​

function setup() {

  createCanvas(w, h);

}

​

function draw() {

  background(0);

  stroke(255);

  strokeWeight(4);

  noFill();

  beginShape();

  for (let x = 0; x < w; x++) {

    let r = random(h); // Use random instead of noise

    vertex(x, r);

  }

  endShape();

​

  frameCounter++;

​

  // Save the canvas every time the line has "travelled" across the canvas

  if (frameCounter >= w) {

    saveCanvas('random_line_' + frameCount, 'jpg');

    frameCounter = 0;  // Reset the counter

  }

}

​