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Diffstat (limited to 'src/modules/ray/ray_3f.h')
| -rw-r--r-- | src/modules/ray/ray_3f.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/modules/ray/ray_3f.h b/src/modules/ray/ray_3f.h index 8408abb..e0e6dc3 100644 --- a/src/modules/ray/ray_3f.h +++ b/src/modules/ray/ray_3f.h @@ -119,7 +119,9 @@ static inline ray_3f_t ray_3f_normalize(ray_3f_t *v) /* return the distance between two arbitrary points */ static inline float ray_3f_distance(ray_3f_t *a, ray_3f_t *b) { - return sqrtf(powf(a->x - b->x, 2) + powf(a->y - b->y, 2) + powf(a->z - b->z, 2)); + ray_3f_t delta = ray_3f_sub(a, b); + + return ray_3f_length(&delta); } |