implemented clear() function for nodegraphs

Added a convenient (destructive) way of emptying a NodeGraph completely.
2019-11-23 08:48:59 +09:00
parent 9131b32be4
commit b1535b73b7
2 changed files with 15 additions and 2 deletions
@@ -37,6 +37,11 @@ public:
   */
  NodeGraph();

+  /**
+   * @brief Destructively destroys all nodes in the graph
+   */
+  void Clear();
+
  /**
   * @brief Add a node to this graph
   *
@@ -73,7 +78,7 @@ public:
  /**
   * @brief Retrieve a complete list of the nodes belonging to this graph
   */
-  QList<Node*> nodes();
+  const QList<Node*>& nodes();

  /**
   * @brief Returns whether a certain Node is in the graph or not