text: #ifndef CUBO_H
  #define CUBO_H
  
  #include "objeto3D.h"
  
  //*************************************************************************
  // clase cubo
  //*************************************************************************
  class _cubo : public _objeto3D {
  public:
  _cubo(float tam=0.5);
  };
  
  #if defined(VER1)
  #include "ver1/cubo.hxx"
  #elif defined(VER2)
  #include "ver2/cubo.hxx"
  #else
  #error !!! HAY QUE INDICAR LA VERSION DE LA REPRESENTACION A COMPILAR VER1 o VER2
  #endif
  #endif /* CUBO_H */
  