Cut & noise function

CutNoise.js

/**
* Fragmenta la imagen y la desplaza
* Fragment the image and displace it
*/

function CutNoise() {
      let arg = arguments
      let mx = mouseX
      let my = mouseY
      if (arg.length > 0) {
            mx = arg[0]
            my = arg[1]
      }
      let r = 2;
      push()
      loadPixels()
      for (let x = 0; x < width; x += r) {
            for (let y = 0; y < height; y += r) {

                  if (dist(mx, my, x, y) < 2) {


                        // Tamaños de los cortes / Cut sizes --------------------------------
                        let r1 = random(5, 200);
                        let r2 = random(5, 200);

                        // Nueva posicion de los cortes / new position ----------------------
                        let nxi = map(noise(x * 0.02, y * 0.02), 0, 1, -20, 20) * cos(x * 0.1);
                        let nyi = map(noise(x * 0.02, y * 0.02), 0, 1, -20, 20) * sin(x * 0.1);

                        // Cortes / cuts ----------------------------------------------------
                        let i1 = get(x - int(r1 / 2), y - int(r2 / 2), int(r1), int(r2));
                        // ------------------------------------------------------------------ 

                        rectMode(CENTER);
                        imageMode(CENTER);
                        noStroke();

                        //Sombra / Shadow
                        fill(0, 20);
                        rect((x + nxi) + 10, (y + nyi) + 10, i1.width, i1.height);

                        // Image
                        image(i1, int(x + nxi), int(y + nyi));
                        
                        // Marco / Frame
                        strokeWeight(0.4);
                        let col = get(x, y)[0]
                        if (brightness(col) > 50) {
                              stroke(0, 100);
                        } else {
                              stroke(255, 100);
                        }
                        noFill();
                        // Marco
                        rect((x + nxi), (y + nyi), i1.width, i1.height);
                  }
            }
      }
      pop()
}