let posX, posY;

let cnv;

let c;

​

function preload() {

  img = loadImage('https://picsum.photos/1920/1080');

}

​

function setup() {

​

  cnv = createCanvas(img.width, img.height);

  cnv.position((windowWidth - img.width) / 2, (windowHeight - img.height) / 2)

  background('black');

  for (let gridX = 0; gridX < img.width; gridX += 2) {

    for (let gridY = 0; gridY < img.height; gridY += 2) {

      push();

      let tileX = 1;

      let tileY = 1;

      posX = tileX * gridX;

      posY = tileY * gridY;

      c = img.get(posX, posY);

      stroke(color(c));

      translate(posX, posY);

      rotate(radians(random(360)))

      noFill();

      strokeWeight(random(5));

      point(posX,posY);

      strokeWeight(random(5));

      curve(posX, posY, sin(posX) * random(60), cos(posY) * sin(posX) * random(60), 0, 0, cos(posY) * sin(posX) * random(140), cos(posY) * sin(posX) * random(50));

      pop();

    }

  }

}

​

function draw() {

​

  noFill();

  stroke(255);

  rect(20, 20, 1880, 1040);

}

​

function keyPressed(){

  if (key === 's'){

    saveCanvas("portrait.jpg");

  }

}