fix tests

Author: BenPinet

src/geode/mesh/helpers/ray_tracing.cpp

@@ -473,15 +473,14 @@ namespace geode
                     {
                         continue;
                     }
-                    auto distance = point_point_distance( origin_, point );
                     if( Vector3D{ origin_, point }.dot( segment_.direction() )
                         < 0 )
                     {
-                        distance *= -1.;
+                        ray_edge_distance *= -1.;
                     }
                     std::lock_guard< std::mutex > lock{ mutex_ };
-                    results_.emplace_back( polygon_id, distance, result.second,
-                        std::move( point ) );
+                    results_.emplace_back( polygon_id, ray_edge_distance,
+                        result.second, std::move( point ) );
                 }
                 const auto [distance, __, triangle_point] =
                     segment_triangle_distance( segment_, triangle );

tests/mesh/test-ray-tracing.cpp

@@ -30,6 +30,7 @@
 #include <geode/mesh/core/surface_mesh.hpp>
 #include <geode/mesh/helpers/aabb_surface_helpers.hpp>
 #include <geode/mesh/helpers/ray_tracing.hpp>
+#include <geode/mesh/io/triangulated_surface_output.hpp>
 
 #include <geode/tests/common.hpp>
 
@@ -99,7 +100,6 @@ void test_ray_parallel()
     builder->create_point( geode::Point3D{ { -1, 1, 0 } } );
     builder->create_point( geode::Point3D{ { -2, 0, 0 } } );
     builder->create_polygon( { 0, 1, 2 } );
-
     const auto aabb = geode::create_aabb_tree( *mesh );
     const geode::Vector3D direction{ { -1, 0, 0 } };
     const geode::Point3D origin{ { 0, 0, 0 } };
@@ -111,7 +111,7 @@ void test_ray_parallel()
     OPENGEODE_EXCEPTION(
         result->polygon == 0, "[Test] Ray edge wrong polygon" );
     OPENGEODE_EXCEPTION(
-        result->distance == 1, "[Test] Ray edge wrong distance" );
+        result->distance == 0, "[Test] Ray edge wrong distance" );
 }
 
 void test()