#pragma once

#include <cmath>
#include <cstdlib>
#include <limits>
#include <memory>

class material;

struct hit_record
{
    point3                      p;
    vec3                        normal;
    std::shared_ptr<material>   mat_ptr;
    double                      t;
    bool                        front_face;

    inline void set_face_normal(const ray& r, const vec3& outward_normal)
    {
        front_face = dot(r.direction(), outward_normal) < 0;
        normal = front_face ? outward_normal : -outward_normal;
    }
};