+ stlplus::ntree<OctreeNode>::iterator
+ insert(stlplus::ntree<OctreeNode>::iterator node, EntityP entity);
+
+ void addChild(stlplus::ntree<OctreeNode>::iterator node, int index);
+
+ void draw(stlplus::ntree<OctreeNode>::iterator node, Scalar alpha);
+ void drawIfVisible(stlplus::ntree<OctreeNode>::iterator node,
+ Scalar alpha, const Camera& cam);
+
+ stlplus::ntree<OctreeNode> tree_;
+