geom/ray: ensure direction is normalised after transform

2018-04-16 15:56:52 +10:00 · 2018-04-16 15:56:52 +10:00 · 63fb76c24c
commit 63fb76c24c
parent 4dcd10243c
1 changed files with 3 additions and 1 deletions
--- a/geom/ray.cpp
+++ b/geom/ray.cpp
@ -50,7 +50,9 @@ util::geom::operator* (util::matrix4f lhs, ray3f rhs)
 {
    return {
        (lhs * rhs.origin.homog<4>    ()).redim<3> (),
-        (lhs * rhs.direction.homog<4> ()).redim<3> ()
+        normalised (
+            (lhs * rhs.direction.homog<4> ()).redim<3> ()
+        )
    };
 }