57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
#ifndef INCLUDED_HITTABLE_H
|
|
#define INCLUDED_HITTABLE_H
|
|
|
|
#include "point3.h"
|
|
#include "ray.h"
|
|
#include "vec3.h"
|
|
#include "material.h"
|
|
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
|
|
typedef struct HitRecord {
|
|
const Material *material;
|
|
Point3 p;
|
|
Vec3 normal;
|
|
double t;
|
|
bool front_face;
|
|
} HitRecord;
|
|
|
|
void hit_record_set_face_normal(HitRecord *record, Ray r, Vec3 outward_normal);
|
|
|
|
typedef enum HittableType {
|
|
HITTABLE_LIST,
|
|
HITTABLE_SPHERE,
|
|
} HittableType;
|
|
|
|
typedef struct Hittable {
|
|
HittableType type;
|
|
} Hittable;
|
|
|
|
bool hittable_hit(const Hittable *hittable, Ray r, double t_min, double t_max,
|
|
HitRecord *record);
|
|
|
|
typedef struct HittableList {
|
|
HittableType type;
|
|
const Hittable **objects;
|
|
size_t size;
|
|
size_t capacity;
|
|
} HittableList;
|
|
|
|
void hittable_list_add(HittableList *list, const Hittable *hittable);
|
|
bool hittable_list_hit(const HittableList *list, Ray r, double t_min,
|
|
double t_max, HitRecord *record);
|
|
void hittable_list_free(HittableList *list);
|
|
|
|
typedef struct Sphere {
|
|
HittableType type;
|
|
const Material *material;
|
|
Point3 center;
|
|
double radius;
|
|
} Sphere;
|
|
|
|
bool sphere_hit(const Sphere *sphere, Ray r, double t_min, double t_max,
|
|
HitRecord *record);
|
|
|
|
#endif /* INCLUDED_HITTABLE_H */
|