text: #ifndef SPHERE_H
  #define SPHERE_H
  #include "StructDef.h"
  class Sphere : public SimpleObject
  {
      Coord3D center;
      double radius;
  public:
      Sphere(Coord3D cntr, double rad, Color col, Color em, Reflection rt);
      bool lineIntersection(const Line &line, Coord3D &result, float &dist);
      Coord3D getNormal(const Coord3D &pt);
  };
  
  #endif // SPHERE_H
  