d3

PImage img;
int turns = 50;
float r;

void setup() {
  size(800, 600);
  background(255);
  img = loadImage("pic2.JPG");
  imageMode(CENTER);
  img.filter(THRESHOLD);
  img.filter(BLUR, 0.7);
  img.loadPixels();
  for (int x=0; x<img.width; x++) {
    for (int y=0; y<img.height; y++) {
      color c = img.get(x, y);
      if (brightness(c)<200) {
        img.pixels[y*img.width+x] = color(0);
      } else {
        img.pixels[y*img.width+x] = color(255);
      }
    }
  }
  img.updatePixels();
  ///*
  for (int i=0; i<turns; i++) {
    pushMatrix();
    translate(width/2, height/2);
    rotate(r);
    tint(255.0/turns*i, 100);
    image(img, 0, 0);
    popMatrix();
    r += TWO_PI/turns;
  }
}

void draw() {
}