#ifndef OCT_H
#define OCT_H

using namespace std;

struct entity_base;

struct octant {
  struct octant *parent;
  /* front 01 back 45
   *       23      67 */
  struct octant *sub[8];

  void add (entity_base *e);
  void remove (entity_base *e);

  ~octant ();
};

#endif