class Node {

  float radius;
  PVector coords;

  // Default constructor
  Node() {
  }

  // Constructor 2
  Node(float r) {
    radius = r;

    coords = new PVector(0, 0, 0);
  }

  void create() {
    //Draw node;
    sphere(radius);
  }

  void create(int col) {
    //Draw cube
    fill(col);
    sphere(radius);
  }
}