+ return nullptr;
+ }
+
+ /**
+ * Mark an node and its sub tree according to the updated flag.
+ * @param[in] updated The updated flag
+ * (used for partial rendering to mark an animating sub tree for example).
+ */
+ void SetUpdated(bool updated) override
+ {
+ mUpdated = updated;
+
+ for (Node* child : mChildren)
+ {
+ child->SetUpdated(updated);
+ }