Core/Vmaps: Use provided invDirection from G3D::Ray instead of calculating it ourselves (#27883)

Do not calculate inv direction, Ray has one

1 files changed, 3 insertions, 4 deletions

diff --git a/src/common/Collision/BoundingIntervalHierarchy.h b/src/common/Collision/BoundingIntervalHierarchy.h
index b5ce289f905..59423581af8 100644
--- a/src/common/Collision/BoundingIntervalHierarchy.h
+++ b/src/common/Collision/BoundingIntervalHierarchy.h
@@ -117,12 +117,11 @@ class TC_COMMON_API BIH
         {
             float intervalMin = -1.f;
             float intervalMax = -1.f;
-            G3D::Vector3 org = r.origin();
-            G3D::Vector3 dir = r.direction();
-            G3D::Vector3 invDir;
+            G3D::Vector3 const& org = r.origin();
+            G3D::Vector3 const& dir = r.direction();
+            G3D::Vector3 const& invDir = r.invDirection();
             for (int i=0; i<3; ++i)
             {
-                invDir[i] = 1.f / dir[i];
                 if (G3D::fuzzyNe(dir[i], 0.0f))
                 {
                     float t1 = (bounds.low()[i]  - org[i]) * invDir[i];