From 68797e51c66d44d9a3178b659c9f970d996796e1 Mon Sep 17 00:00:00 2001
From: ehofman <ehofman>
Date: Mon, 1 Feb 2010 10:05:14 +0000
Subject: [PATCH] implement a round-robin scheme for random objects to make
 sure the same type of object is placed at the same spot all the time

---
 simgear/scene/material/matmodel.cxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/simgear/scene/material/matmodel.cxx b/simgear/scene/material/matmodel.cxx
index bdad512e..c625d9b0 100644
--- a/simgear/scene/material/matmodel.cxx
+++ b/simgear/scene/material/matmodel.cxx
@@ -139,8 +139,9 @@ SGMatModel::get_random_model( SGPropertyNode *prop_root )
 {
   load_models( prop_root ); // comment this out if preloading models
   int nModels = _models.size();
-  int index = int(sg_random() * nModels);
-  if (index >= nModels)
+  // int index = int(sg_random() * nModels);
+  static int index = -1;
+  if (++index >= nModels)
     index = 0;
   return _models[index].get();
 }
-- 
2.39.5