1 files changed, 11 insertions, 0 deletions

diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 36c5c52..caec704 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -166,6 +166,12 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        /// <summary>
+        /// Update the position of all the scene presences.
+        /// </summary>
+        /// <remarks>
+        /// Called only from the main scene loop.
+        /// </remarks>
         protected internal void UpdatePresences()
         {
             ForEachScenePresence(delegate(ScenePresence presence)
@@ -174,6 +180,11 @@ namespace OpenSim.Region.Framework.Scenes
             });
         }
 
+        /// <summary>
+        /// Perform a physics frame update.
+        /// </summary>
+        /// <param name="elapsed"></param>
+        /// <returns></returns>
         protected internal float UpdatePhysics(double elapsed)
         {
             lock (m_syncRoot)