feat: turn on backface culling for Embree

We need this in order to support lights which can not be seen from behind
Latios96 · Dec 8, 2024 · 1828707 · 1828707
1 parent 5bb74c7
commit 1828707
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/conanfile.txt b/conanfile.txt
@@ -58,6 +58,7 @@ spdlog:header_only=True
 fakeit:integration=catch
 boost:without_stacktrace=True
 USD:with_imaging=True
+embree3:backface_culling=True
 
 [imports]
 bin,*.dll->./bin

diff --git a/src/crayg/tests/TestEmbreeSceneIntersector.cpp b/src/crayg/tests/TestEmbreeSceneIntersector.cpp
@@ -10,8 +10,8 @@
 namespace crayg {
 
 const Ray RAY_WITH_NO_INTERSECTION = Ray({0, 5, 0}, {1, 0, 0});
-const Ray RAY_WITH_TRIANGLE_INTERSECTION = Ray({0.75f, 1, 1.5f}, {0, -1, 0});
-const Ray RAY_WITH_SUBD_MESH_INTERSECTION = Ray({0.1f, 1, 0}, {0, -1, 0});
+const Ray RAY_WITH_TRIANGLE_INTERSECTION = Ray({0.75f, -1, 1.5f}, {0, 1, 0});
+const Ray RAY_WITH_SUBD_MESH_INTERSECTION = Ray({0.1f, -1, 0}, {0, 1, 0});
 const Ray RAY_WITH_SPHERE_INTERSECTION = Ray({-2, 2, 0}, {1, 0, 0});
 const Ray RAY_ON_TRIANGLE = Ray({0.75f, 0, 1.5f}, {0, 1, 0});