Java8 Lambda with hype

HCallback.java

package hype;

@FunctionalInterface
public interface HCallback {
	public void run(Object obj);
}

HColorFieldExample.java

package hype;

import processing.core.*;

import hype.extended.colorist.HColorField;
import hype.extended.layout.HGridLayout;
import hype.extended.behavior.HOscillator;

public class HColorFieldExample extends PApplet {

    HColorField colorField;

    HDrawablePool pool;
    int poolCols = 9;
    int poolRows = 7;
    int poolDepth = 9;

    @Override
    public void setup() {

        H.init(this);
        H.background(0xff242424);
        H.use3D(true);

        colorField = new HColorField(width, height)
                .addPoint(-300, 0, 0xffFF0066, 0.6f)
                .addPoint(width - 300, 0, 0xff3300FF, 0.6f)
                .fillOnly() // .strokeOnly()
                // .fillAndStroke()
                ;

        pool = new HDrawablePool(poolCols * poolRows * poolDepth);
        pool.autoAddToStage()
                .add(new HSphere())
                .layout(new HGridLayout().startX(-600).startY(-450).startZ(-600).spacing(150, 150, 150).rows(poolRows).cols(poolCols))
                .onCreate(
                        (Object obj) -> {
                            int i = pool.currentIndex();
                            HSphere d = (HSphere) obj;
                            d.size(40).strokeWeight(0).noStroke().fill(0).anchorAt(H.CENTER);
                            new HOscillator().target(d).property(H.SCALE).range(0.25f, 2.5f).speed(0.25f).freq(10).currentStep(i * 3);
                        }
                )
                .requestAll();
    }

    @Override
    public void draw() {
        for (HDrawable d : pool) {
            d.fill(0);
            colorField.applyColor(d);
        }

        lights();
        sphereDetail(10);

        pushMatrix();
        translate(width / 2, height / 2, -800);
        rotateY(radians(frameCount / 2));
        H.drawStage();
        popMatrix();
    }

    @Override
    public void settings() {
        size(640, 640, P3D);
    }

    static public void main(String[] passedArgs) {
        String[] appletArgs = new String[]{"hype.HColorFieldExample"};
        if (passedArgs != null) {
            PApplet.main(concat(appletArgs, passedArgs));
        } else {
            PApplet.main(appletArgs);
        }
    }
}