From db16cdad027e4b53bbf62a6e40dedc1277d4e560 Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Tue, 9 Jun 2015 03:16:41 +0200
Subject: [PATCH] Add a comment

---
 components/terrain/terraingrid.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/terrain/terraingrid.cpp b/components/terrain/terraingrid.cpp
index c8f8caef8..570461bba 100644
--- a/components/terrain/terraingrid.cpp
+++ b/components/terrain/terraingrid.cpp
@@ -136,6 +136,7 @@ void TerrainGrid::loadCell(int x, int y)
     geode->addDrawable(geometry);
 
     // build a kdtree to speed up intersection tests with the terrain
+    // Note, the build could be optimized using a custom kdtree builder, since we know that the terrain can be represented by a quadtree
     geode->accept(*mKdTreeBuilder);
 
     std::vector<LayerInfo> layerList;