void module() {

  if ( hu >= 0) {
    hu +=0.1;
  }
  if ( hu > 360) {
    hu = 0;
  }
    if ( ha >= 0) {
    hu +=0.1;
  }
  if ( ha > 10) {
    hu = 0;
  }
  if ( hi >= 0) {
    hi +=0.005;
  }
  if ( hi > 100) {
    hi = 0;
  }
  fill(0);
  stroke(200, 0, hi);
  strokeWeight(50);

  beginShape();
  vertex(x1, y1, 0);
  vertex(x2, y2, 0);
  vertex(x3, y3, 0);
  vertex(x4, y4, 0);
  vertex(x1, y1, 0);

  float r2 = random(100);
  if (r2 > 0 && r2 < 25 ) {
    x1+=d;
    x2+=d;
    x3-=d;
    x4-=d;
    s-=0.0005;
  } else if (r2 > 25 && r2 < 50 ) {
    x1-=d;
    x2-=d;
    x3+=d;
    x4+=d;
    s+=0.0005;
  } else if (r2 > 50 && r2 < 75) {
    y1+=d;
    y2+=d;
    y3+=d;
    y4+=d;
    s-=0.0005;
  } else {
    y1-=d;
    y2-=d;
    y3-=d;
    y4-=d;
    s+=0.0005;
  }
  endShape();
  println(hu, ha, hi);

   
}