MyObject b = new MyObject(); //create an object
  void setup(){
    size(500,500, P3D); //setup the screen
    camera(-100,100,-100,0,0,0,0,0,1); //get a viewpoint
  }
  void draw(){
    b.draw3(); //draw the object
  }
  void mousePressed(){
    b.pick(mouseX,mouseY); //see if the mouse can pick
  }