// 

// This program demonstrates using a random seed to

// get the same randomness each time the program

// is run. Note that the texture does not change.

​

function setup() {

  createCanvas(400, 400);

  // Setting the seed value will produce the same

  // random numbers each time

  let s = 6; 

  randomSeed(s);

​

  // This will produce a different texture

  // each  it is run.

  background(0);

  stroke(255, 60);

  for (let i = 0; i < width; i++) {

    let r = random(10);

    strokeWeight(r);

    let offset = r * 5;

    line(i - 20, height, i + offset, 0);

  }

}