the HYPE Framework / Joshua Davis

import hype.*;
import hype.extended.colorist.HColorField;
import hype.extended.layout.HGridLayout;

HDrawablePool pool;
HColorField  colorField;

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

 colorField = new HColorField(width, height)
  .addPoint(0,   height/2, #FF0066, 0.5f)
  .addPoint(width, height/2, #3300FF, 0.5f)
  .fillOnly()
  // .strokeOnly()
  // .fillAndStroke()
 ;

 pool = new HDrawablePool(10000);
 pool.autoAddToStage()
  .add(new HRect())
  .layout(new HGridLayout().startX(20).startY(20).spacing(6,6).cols(100))
  .onCreate(
   new HCallback(){
    public void run(Object obj) {
     HDrawable d = (HDrawable) obj;
     d.noStroke().fill(#000000).size(5);
     
     colorField.applyColor(d);
    }
   }
  )
  .requestAll()
 ;

 H.drawStage();
 noLoop();
}

void draw() {

}