hittable_list.hpp

#ifndef HITTABLE_LIST_HPP
#define HITTABLE_LIST_HPP

#include "hittable.hpp"
#include <memory>
#include <vector>

class hittable_list: public hittable
{
	public :
	hittable_list(){}
	hittable_list(std::shared_ptr<hittable> object)
	{
		add(object);
	}

	void clear()
	{
		objects.clear();
	}
	void add(std::shared_ptr<hittable> object)
	{
		objects.push_back(object);
	}

	bool hit(const ray&r,double t_min,double t_max,hit_record& rec) const
	{
		hit_record temp_rec;
		bool hit_anything=false;
		double closest_so_far = t_max;
		for (auto& object:objects)
		{
			if ((*object).hit(r, t_min,closest_so_far,temp_rec))
			{
				hit_anything = true;
				closest_so_far = temp_rec.t;
				rec = temp_rec;
			}
		}
		return hit_anything;
	}

	public:
	std::vector<std::shared_ptr<hittable>> objects;

};



#endif