Method verify

tutorials/common/scenegraph/scenegraph.cpp:514–530

  }
  
  void SceneGraph::TriangleMeshNode::verify() const
  {
    const size_t N = numVertices();
    if (normals.size() && normals.size() != positions.size())
       THROW_RUNTIME_ERROR("incompatible number of time steps");
    for (const auto& p : positions) 
      if (p.size() != N) 
        THROW_RUNTIME_ERROR("incompatible vertex array sizes");
    for (const auto& n : normals) 
      if (n.size() && n.size() != N)
        THROW_RUNTIME_ERROR("incompatible vertex array sizes");
    if (texcoords.size() && texcoords.size() != N) THROW_RUNTIME_ERROR("incompatible vertex array sizes");
    for (auto& tri : triangles) {
      if (size_t(tri.v0) >= N || size_t(tri.v1) >= N || size_t(tri.v2) >= N)
        THROW_RUNTIME_ERROR("invalid triangle");
    }
  }

  void SceneGraph::QuadMeshNode::verify() const
  {