the HYPE Framework / Joshua Davis

import hype.*;
import hype.extended.behavior.HRotate;

HDrawablePool pool;

void setup() {
 size(640,640);
 H.init(this).background(#242424).autoClear(false);

 pool = new HDrawablePool(100);
 pool.autoAddToStage()
  .add(new HRect(10,50).rounding(4))
  .onCreate(
   new HCallback() {
    public void run(Object obj) {
     HDrawable d = (HDrawable) obj;
     d
      .strokeWeight(1)
      .stroke(#999999)
      .fill(#202020)
      .loc( (int)random(width), (int)random(height) )
      .anchor( 5, 10 )
      .rotation( (int)random(360) )
     ;

     HRotate r = new HRotate();
     r.target(d).speed( random(-2,2) );
    }
   }
  )
  .requestAll()
 ;
}

void draw() {
 H.drawStage();
}