Add vec3::range01_scalar.

1 files changed, 5 insertions, 0 deletions

diff --git a/vec.h b/vec.h
index b233220..d2dece0 100644
--- a/vec.h
+++ b/vec.h
@@ -234,6 +234,11 @@ public:
         }
     }
 
+    // Get a random real number in range [0, 1].
+    inline T range01_scalar() {
+        return uni(mt);
+    };
+
     // Get a unit vector with random direction.
     inline vec3<T> normalized() {
         return range01().unit_vec();