diff options
| -rw-r--r-- | src/modules/ray/ray_scene.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/modules/ray/ray_scene.c b/src/modules/ray/ray_scene.c index d9b8277..acd65d3 100644 --- a/src/modules/ray/ray_scene.c +++ b/src/modules/ray/ray_scene.c @@ -9,7 +9,7 @@ #include "ray_ray.h" #include "ray_scene.h" -#define MAX_RECURSION_DEPTH 5 +#define MAX_RECURSION_DEPTH 4 static ray_color_t trace_ray(ray_scene_t *scene, ray_ray_t *ray, unsigned depth); @@ -109,16 +109,18 @@ static inline ray_color_t shade_ray(ray_scene_t *scene, ray_ray_t *ray, ray_obje /* generate a reflection ray */ #if 1 - float dot = ray_3f_dot(&ray->direction, &normal); - ray_ray_t reflected_ray = { .direction = ray_3f_mult_scalar(&normal, dot * 2.0f) }; - ray_3f_t reflection; + if (depth < MAX_RECURSION_DEPTH) { + float dot = ray_3f_dot(&ray->direction, &normal); + ray_ray_t reflected_ray = { .direction = ray_3f_mult_scalar(&normal, dot * 2.0f) }; + ray_3f_t reflection; - reflected_ray.origin = intersection; - reflected_ray.direction = ray_3f_sub(&ray->direction, &reflected_ray.direction); + reflected_ray.origin = intersection; + reflected_ray.direction = ray_3f_sub(&ray->direction, &reflected_ray.direction); - reflection = trace_ray(scene, &reflected_ray, depth); - reflection = ray_3f_mult_scalar(&reflection, surface.specular); - color = ray_3f_add(&color, &reflection); + reflection = trace_ray(scene, &reflected_ray, depth); + reflection = ray_3f_mult_scalar(&reflection, surface.specular); + color = ray_3f_add(&color, &reflection); + } #endif /* TODO: generate a refraction ray */ @@ -135,8 +137,6 @@ static ray_color_t trace_ray(ray_scene_t *scene, ray_ray_t *ray, unsigned depth) unsigned i; depth++; - if (depth > MAX_RECURSION_DEPTH) - return color; for (i = 0; i < scene->n_objects; i++) { float distance; |