Processing - 3D - OpenGL - Basic cube with rotation

basic_cube

import processing.opengl.*;
import controlP5.*;

ControlP5 MyController;

void setup()
{
  size(400, 400, OPENGL);
  MyController = new ControlP5(this);
  MyController.addSlider("yRotation",0,6.28,20,20,20,200,10);
  MyController.addSlider("xRotation",0,6.28,20,20,40,200,10);
  MyController.addSlider("zRotation",0,6.28,20,20,60,200,10);
}

float yRotation = 0;
float xRotation = 0;
float zRotation = 0;

void draw()
{
  background(10,100,150);  
  
  pushMatrix();
  translate(200,200,0);
  rotateY(yRotation);  
  rotateX(xRotation);
  rotateZ(zRotation);
  box(100);
  popMatrix();
}