SbSphere.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#ifndef _SB_SPHERE_
#define _SB_SPHERE_
 
#include <Inventor/SbVec.h>
 
class SbLine;
class SbBox3f;
 
//
//  Class: SbSphere
//
//  Represents a sphere in 3D space.
//
 
 
class  SbSphere {
public:
 
  SbSphere()  {}
 
  SbSphere(const SbVec3f &c, float r);
 
  void   setValue(const SbVec3f &c, float r);
 
  void  setCenter(const SbVec3f &c);
  void  setRadius(float r);
 
  const SbVec3f &getCenter() const    { return center; }
  float    getRadius() const    { return radius; }
 
  void  circumscribe(const SbBox3f &box);
 
  SbBool  intersect(const SbLine &l, SbVec3f &intersection) const;
  SbBool  intersect(const SbLine &l, SbVec3f &enter, SbVec3f &exit) const;
 
private:
  SbVec3f  center;
  float  radius;
 
};
 
#endif /* _SB_SPHERE_ */