sphere.h

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#ifndef SPHERE_INCLUDED
#define SPHERE_INCLUDED
#include <Util/geometry.h>
#include <Util/polynomial.h>
#include "shape.h"
 
namespace Ray
{
    class Sphere : public Shape
    {
        GLuint _vertexBufferID = 0;
 
        GLuint _elementBufferID = 0;
 
        int _materialIndex;
 
        const class Material *_material;
    public:
        Util::Point3D center;
        double radius;
 
        static std::string Directive( void ){ return "shape_sphere"; }
 
        Sphere( void );
 
        // Shape methods //
    private:
        void _write( std::ostream &stream ) const;
        void _read( std::istream &stream );
    public:
        std::string name( void ) const { return "sphere"; }
        void init( const class LocalSceneData &data );
        void initOpenGL( void );
        void updateBoundingBox( void );
        bool processFirstIntersection( const Util::Ray3D &ray , const Util::BoundingBox1D &range , const RayIntersectionFilter &rFilter , const RayIntersectionKernel &rKernel , ShapeProcessingInfo spInfo , unsigned int tIdx ) const;
        int processAllIntersections( const Util::Ray3D &ray , const Util::BoundingBox1D &range , const RayIntersectionFilter &rFilter , const RayIntersectionKernel &rKernel , ShapeProcessingInfo spInfo , unsigned int tIdx ) const;
        bool isInside( Util::Point3D p ) const;
        void drawOpenGL( GLSLProgram * glslProgram ) const;
    };
}
#endif // SPHERE_INCLUDED