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-rw-r--r--main_simple_scanner.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/main_simple_scanner.cpp b/main_simple_scanner.cpp
index c0760fa..4d73d54 100644
--- a/main_simple_scanner.cpp
+++ b/main_simple_scanner.cpp
@@ -20,7 +20,7 @@ public:
// Will the given ray hit. Returns time t if hits.
virtual bool hit(const ray3d &r, double &t) const = 0;
- // Given a point on the surface, returns the normalized normal vector on that point.
+ // Given a point on the surface, returns the normalized outer normal vector on that point.
virtual vec3d normal_vector(const vec3d &where) const = 0;
// object color, currently not parameterized