From 21e37069fe723094bbf3b857acc5c1d494ecb942 Mon Sep 17 00:00:00 2001
From: Loren Shih <seraph@lindenlab.com>
Date: Wed, 13 Apr 2011 15:13:10 -0400
Subject: SH-1329 FIXED Physics are "twitchy" for high-FPS machines

Fixed bug that was messing up time slices for physics.
---
 indra/newview/llphysicsmotion.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/indra/newview/llphysicsmotion.cpp b/indra/newview/llphysicsmotion.cpp
index 1d3c2b72f2..de4ce52351 100644
--- a/indra/newview/llphysicsmotion.cpp
+++ b/indra/newview/llphysicsmotion.cpp
@@ -452,7 +452,14 @@ BOOL LLPhysicsMotion::onUpdate(F32 time)
         //
 
         const F32 time_delta = time - mLastTime;
-        if (time_delta > 3.0 || time_delta <= 0.01)
+
+	// Don't update too frequently, to avoid precision errors from small time slices.
+	if (time_delta <= .01)
+	{
+		return FALSE;
+	}
+	
+        if (time_delta > 3.0)
         {
                 mLastTime = time;
                 return FALSE;
-- 
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