Function meshVertexNormal

src/rendering/raster_rendering_engine.cpp:1013–1024

        }

        [[nodiscard]] glm::vec3 meshVertexNormal(const MeshCpuView& mesh,
                                                 const int index,
                                                 const glm::vec3& fallback) {
            if (!mesh.has_normals) {
                return fallback;
            }
            const size_t base = static_cast<size_t>(index) * 3u;
            return safeNormalize({mesh.normal_data[base + 0],
                                  mesh.normal_data[base + 1],
                                  mesh.normal_data[base + 2]},
                                 fallback);
        }

        [[nodiscard]] glm::vec4 meshVertexTangent(const MeshCpuView& mesh,
                                                  const int index) {