diff options
Diffstat (limited to 'src/modules/ray/ray_object_sphere.h')
| -rw-r--r-- | src/modules/ray/ray_object_sphere.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/modules/ray/ray_object_sphere.h b/src/modules/ray/ray_object_sphere.h index c07f345..0077a68 100644 --- a/src/modules/ray/ray_object_sphere.h +++ b/src/modules/ray/ray_object_sphere.h @@ -27,7 +27,7 @@ typedef struct ray_object_sphere_t { static void ray_object_sphere_prepare(ray_object_sphere_t *sphere, ray_camera_t *camera) { - sphere->_prepared.primary_v = ray_3f_sub(&camera->position, &sphere->center); + sphere->_prepared.primary_v = ray_3f_sub(&sphere->center, &camera->position); sphere->_prepared.primary_dot_vv = ray_3f_dot(&sphere->_prepared.primary_v, &sphere->_prepared.primary_v); sphere->_prepared.r2 = sphere->radius * sphere->radius; @@ -44,7 +44,7 @@ static inline int ray_object_sphere_intersects_ray(ray_object_sphere_t *sphere, float b, disc; if (depth) { - v = ray_3f_sub(&ray->origin, &sphere->center); + v = ray_3f_sub(&sphere->center, &ray->origin); dot_vv = ray_3f_dot(&v, &v); } |