empty

algoim/organizer/primitive.hpp

@@ -762,6 +762,8 @@ struct VisiblePrimitiveRep {
     std::vector<tensor3> tensors;
     AABB                 aabb;
     organizer::BlobTree  subBlobTree;
+
+    bool isEmpty() const { return tensors.empty(); }
 };
 
 // hesai