recitation5.pde

/* A reproduction, with modification, of a work by Vera Molnar.
 * Author: Oliver Steele
 * Source: https://gist.github.com/osteele/4da0a93457a254969d9116e97dc16b2f
 * This work is licensed under a Creative Commons Attribution 4.0 International License.
 */
final int size = 100;
final int displacement = 6;

void setup() {
  size(800, 600);
}

void draw() {
  randomSeed(1);
  background(255);
  noFill();

  for (int x = 0; x < width; x += size) {
    for (int y = 0; y < height; y+= size) {
      push();
      translate(x, y);
      drawSquare();
      pop();
    }
  }
}

void drawSquare() {
  int margin = 0;
  for (int i = 0; i < 8; i++) {
    int width = size - margin;
    int height = size - margin;
    push();
    fill(255);
    if (random(10) <= 1) {
      fill(random(255));
    }
    if (i == 7 && random(10) <= 1) {
      fill(random(255), random(255), random(255));
    }
    beginShape();
    vertex(margin + random(displacement), margin + random(displacement));
    vertex(width - random(displacement), margin + random(displacement));
    vertex(width - random(displacement), height - random(displacement));
    vertex(margin + random(displacement), height - random(displacement));
    endShape(CLOSE);
    pop();
    margin += random(3, 6);
  }
}