diff options
Diffstat (limited to 'include/ray.hpp')
| -rw-r--r-- | include/ray.hpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/ray.hpp b/include/ray.hpp index 3f8542b..b3d88ae 100644 --- a/include/ray.hpp +++ b/include/ray.hpp @@ -8,7 +8,7 @@ class ray { ray(const point3& origin, const vec3& direction); - point3 at(double t); + point3 at(double t) const; point3 origin; vec3 direction; |