Distorted Painting

PImage bg;

color c;

float i = 1;

​

void setup()

{

  size(740, 954, P2D);

  bg = loadImage("4.png");

  bg.resize(width, height);

  image(bg, 0, 0);

  background(0);

}

​

int count = 0;

void draw() 

{

  for (int x = 0; x < bg.width; x+=11) {

    for (int y = 0; y < bg.height; y+=11) {

      c = bg.get(x, y);

      float b = brightness(c);

      b = map(b, 0, 255, 15, 5);

      smooth();

      fill(c);

      noStroke();

      pushMatrix();

      translate(i, i);

      ellipse(x, y, b, b+2);

      popMatrix();

      i++;

      if (i > 60) i = 0;

    }

  }

}