/Users/barrand/private/dev/softinex/old/inexlib-1.2/inlib/inlib/spheref

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file inlib.license for terms.

#ifndef inlib_spheref
#define inlib_spheref

#include "vec3f"
#include "box3f"
#include "fmath"

namespace inlib {

class spheref {
public:
  spheref(const vec3f& a_center,float a_radius)
  :m_center(a_center),m_radius(a_radius)
  {}
  virtual ~spheref(){}  
public:
  spheref(const spheref& a_from)
  :m_center(a_from.m_center)
  ,m_radius(a_from.m_radius)
  {}
  spheref& operator=(const spheref& a_from){
    m_center = a_from.m_center;
    m_radius = a_from.m_radius;
    return *this;
  }
public:
  const vec3f& center() const {return m_center;}
  float radius() const {return m_radius;}
  bool circumscribe(const box3f& a_box){
    if(!a_box.center(m_center)) return false;
    float dx,dy,dz;
    if(!a_box.get_size(dx,dy,dz)) return false;
    m_radius = fsqrt(dx*dx + dy*dy + dz*dz)/2.0f;
    return true;
  }
private:
  vec3f m_center;
  float m_radius;
};

}

#endif