createCanvas(600, 900);

    background(0);

}

​

function draw() {

    for (let i = 0; i < 20; i++) {

        noFill();

        stroke(random(i*10), random(i*50), random(i*100), 10);

        let y2 = i*random(height*0.04);

        bezier(0, y2, width/4, 4, 3*width/4, height*0.75, width, i*random(height/2));

​

    }

}

​

let lapse = 0;    // mouse timer

function mousePressed(){

// prevents mouse press from registering twice

  if (millis() - lapse > 400){

    save('pix.jpg');

    lapse = millis();

  }

}