let y;

​

let r;

let g;

let b;

​

function setup() {

  createCanvas(500, 500);

  x = width / 2;

  y = height / 2;

  r = random(255);

  g = random(255);

  b = random(255);

​

  background(32);

}

​

function draw(){

  for(let i = 0; i < 100; i++){

    draw2();

  }

}

​

function draw2() {

  let nextX = x + random(-20, 20);

  let nextY = y + random(-20, 20);

  nextX = constrain(nextX, 0, width);

  nextY = constrain(nextY, 0, height);

  r += random(-10, 10);

  g += random(-10, 10);

  b += random(-10, 10);

  r = constrain(r, 0, 255);

  g = constrain(g, 0, 255);

  b = constrain(b, 0, 255);

​

  stroke(r, g, b);

  line(x, y, nextX, nextY);

  x = nextX;

  y = nextY;

}

​