Cube[] manyCubes = new Cube[20];

void setup() {
  size (400,600);

  for (int i = 0; i< manyCubes.length;i++) {
    manyCubes[i] = new Cube (i+5,i+2,i,i+1);
    framerate(20);
  }
}
void draw() {
  background (50);
  stroke(180);
  rectMode (CENTER);
  smooth();
  for (int i = 0; i< manyCubes.length;i++) {


    manyCubes[i].display ();
    manyCubes[i].move ();

  }  
}