var destination;

​

function preload(){

  source = loadImage("frog.jpg");

}

​

function setup() {

  createCanvas(500, 500);

  smooth();

  destination = createImage(source.width, source.height);

  background(0);

}

​

function draw() { 

​

  source.loadPixels();

  destination.loadPixels();

​

  var fuzz = 8;

​

  for (var x = 0; x < source.width; x++) {

    for (var y = 0; y < source.height; y++) {

​

      var d = int(dist(width/2, height/2, mouseX, mouseY));

      var maxDist = int(dist(0, 0, width/2, height/2));

      var factor = map(d, 0, maxDist, 0, fuzz+(fuzz/4));

      var loc = x + y * source.width;

      if (  0  < x && x < fuzz + ( fuzz/2)) {

        var loc2 = (x + int(random(0, factor)) + y  * source.width);

        destination.pixels[loc] = source.pixels[loc2];

      } else if ( source.width - fuzz - (fuzz/2) < x && x < source.width) {

        var loc3 = (x + int(random(-factor, 0)) + y  * source.width);

        destination.pixels[loc] = source.pixels[loc3];

      } else if ( 0 + fuzz < x && x < source.width - fuzz) {

        var loc4 = (x + int(random(-factor, factor)) + y  * source.width);

        destination.pixels[loc] = source.pixels[loc4];

      }

    }

  }

​

​

  destination.updatePixels();

  imageMode(CENTER);

  image(destination, width/2, height/2);

}