MyPoint [] points;
  MyGroup group;
  MyPoint origin = new MyPoint(0.,0.,0.);
  void setup(){
    size(500, 500, P3D);
    camera(70.0, 35.0, 120.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
    int nsides = 6;
    points = new MyPoint[nsides];
    for(int i=0; i<nsides; i++)
    points[i] = new MyPoint((40.*sin((360./nsides)*i*PI/180.)), 
                            (40.*cos((360./nsides)*i*PI/180.)),0.);
    group = new MyGroup();
    for(int i=0; i<10; i++){
      group.addSolids(points, 20.);
      group.solids[i].setColor(color(255,255,255));
      //group.solids[i].scale(.3,.3,.3, origin);
      group.solids[i].move(0.,50.,i*30);
    }
  }
  
  void draw(){
    background(255);
    //lights(); 
    group.rotatex((mouseX - pmouseX) * PI/180.,origin);
    group.rotatey((mouseY - pmouseY) * PI/180.,origin);
    group.draw();
  
  }