24 lines
534 B
C
24 lines
534 B
C
|
#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;
|
||
|
|
}
|
||
|
|
};
|