Sphere.h

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#ifndef _SPHERE_H__
#define _SPHERE_H__


#include <ngl/Vec3.h>
#include <ngl/Colour.h>
#include "Shape.h"
#include "Ray.h"
#include "Material.h"

namespace geo
{
//----------------------------------------------------------------------------------------------------------------------
//----------------------------------------------------------------------------------------------------------------------
class Sphere : public Shape
{
public:
  //------------------------------------------------------------------------------------------------------------------
  // -----------------------------------------------------------------------------------------------------------------
  Sphere() : m_center(ngl::Vec3(1,1,1)), m_radius(2.0f)
  {
    m_type = 's';
    m_colour = ngl::Colour(1,1,0,1);
    Material* mat = new Material(ngl::Colour(1,1,0,0));
    m_material = mat;
  }
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
   Sphere(ngl::Vec3 _center, float _radius, ngl::Colour _colour) : m_center(_center), m_radius(_radius)
   {
     m_type = 's';
     m_colour = _colour;
     Material* mat = new Material(_colour);
     m_material = mat;
   }
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
  ~Sphere() {}
  //------------------------------------------------------------------------------------------------------------------
  // setters
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
  void setRadius(float _radius) {m_radius = _radius;}
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
  void setCenter(ngl::Vec3 _center) {m_center = _center;}
  //------------------------------------------------------------------------------------------------------------------
  // getters
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
  float getRadius() const {return m_radius;}
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
  ngl::Vec3 getCenter() const {return m_center;}
  //------------------------------------------------------------------------------------------------------------------
  // other methods
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
  virtual float getIntersection(geo::Ray& _ray);
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
  virtual ngl::Vec3 getNormalAt(ngl::Vec3 _p);
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
  virtual ngl::Colour getColour() {return m_material->m_colour1;}
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
  virtual ngl::Colour getColour(ngl::Vec3 &_isect) {return m_material->m_colour1;}

private:
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
  ngl::Vec3 m_center;
  //------------------------------------------------------------------------------------------------------------------
  //------------------------------------------------------------------------------------------------------------------
  double m_radius;
};
}

#endif // Sphere