hitable_list.hpp

#ifndef HITABLE_LIST_HPP
#define HITABLE_LIST_HPP

#include "hitable.h"

class hitable_list: public hitable
{
    public:
        hitable_list() {}
        hitable_list(hitable **l, int n) {list = l; list_size = n;}
        virtual bool hit(const ray& r, float t_min, float t_max, hit_record& rec) const;
        hitable **list;
        int list_size;
};

bool hitable_list::hit(const ray& r, float t_min, float t_max, hit_record& rec) const
{
    hit_record temp_rec;
    bool hit_anything = false;
    float closest_so_far = t_max;
    for(int i = 0; i < list_size; ++i)
    {
        if(list[i]->hit(r, t_min, t_max, temp_rec))
        {
            hit_anything = true;
            closest_so_far = temp_rec.t;
            rec = temp_rec;
        }
    }
    return hit_anything;
}

#endif