let capturer = new CCapture({ format: 'png', framerate: fps });

​

​

let doneCapturing = false;

let firstFrame = true;

let canvas;

let frame = 0;

​

function setup() {

  canvas = createCanvas(400, 400);

}

​

function draw() {

  if (firstFrame) {

    capturer.start();

    firstFrame = false;

  }

  capturer.capture( document.getElementById(canvas.id() ));

  frame++;

  if (frame > 60) {doneCapturing = true;}

  if (doneCapturing) {

    capturer.stop();

    capturer.save();

    background(0);

    noLoop();

  }

}