From 162440ed7eec78f80ff6a46ce23fc68b5be548a3 Mon Sep 17 00:00:00 2001
From: Andrzej Kapolka <andrzej@threerings.net>
Date: Thu, 2 Mar 2006 21:40:57 +0000
Subject: [PATCH] Record the frame time as the different between the last and
 current frames.  JME's timer was using a running average: good for
 calculating frame rates, bad for updates.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3906 542714f4-19e9-0310-aa3c-eee0fc999fb1
---
 src/java/com/threerings/jme/JmeApp.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/java/com/threerings/jme/JmeApp.java b/src/java/com/threerings/jme/JmeApp.java
index 743266692..f47ae641f 100644
--- a/src/java/com/threerings/jme/JmeApp.java
+++ b/src/java/com/threerings/jme/JmeApp.java
@@ -417,7 +417,9 @@ public class JmeApp
         _timer.update();
 
         // run all of the controllers attached to nodes
-        _frameTime = _timer.getTimePerFrame();
+        _frameTime = (_lastTick == 0L) ? 0f : (float)(frameTick - _lastTick) /
+            _timer.getResolution();
+        _lastTick = frameTick;
         _root.updateGeometricState(_frameTime, true);
 
         // update the camera handler
@@ -525,6 +527,7 @@ public class JmeApp
     protected Timer _timer;
     protected Thread _dispatchThread;
     protected Queue _evqueue = new Queue();
+    protected long _lastTick;
     protected float _frameTime;
 
     protected String _api;