​

function setup() {

    createCanvas(400, 400);

    noFill();

}

​

function draw() {

    stroke(10, 100, random(100, 200), 12);

    bezier(

        noise(t+10)*width, noise(t+20)*height,

        noise(t+30)*width, noise(t+40)*height,

        noise(t+50)*width, noise(t+60)*height,

        noise(t+70)*width, noise(t+80)*height);

    t += 0.002;

}