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#ifndef RAY_H
#define RAY_H
#include <stdbool.h>
#include <stdint.h>
#include "vector.h"
#include "scene.h"
// Random COORD_T between 0 and 1
extern COORD_T ray_rand(void *seed);
typedef struct {
// Start is not unique so it's a pointer to save copying time
vector_t *start;
vector_t *direction;
} ray_t;
COORD_T ray_intersect(object_t *o, ray_t *ray, bool skip_dist);
COORD_T ray_intersect_sphere(sphere_t *s, ray_t *ray, bool skip_dist);
COORD_T ray_intersect_plane(plane_t *p, ray_t *ray, bool skip_dist);
object_t *ray_cast(space_t *s, ray_t *r, COORD_T *dist_ret, bool chk, COORD_T chk_dist);
void path_trace(space_t *s, unsigned int x, unsigned int y, color_t *c, void *seed);
#endif
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