//sketch_ControlP5_Slider2D
import controlP5.*;
ControlP5 cp5;
Slider2D s;

void setup()
{
  size(400,400,P3D);
  noStroke();

  cp5 = new ControlP5(this);
  s = cp5.addSlider2D("rotate")
         .setPosition(0,0)
         .setSize(100,100)
         .setMinMax(-180,-180,180,180)
         .setValue(20,-20.01)
         .setColorLabel(50)
         .setColorValue(50)
         ;
}

void draw() 
{
  pushMatrix();
  lights();
  background(255);
  fill(0,255,0);
  translate(width / 2, height / 2);
  rotateY(map(s.getArrayValue()[0],-180,180,-PI,PI));
  rotateX(map(s.getArrayValue()[1],-180,180,-PI,PI));
  box(50,50,100);
  popMatrix();
}