From 90ae1fea8b2aef2bfc1a0d3d288917202e3aa657 Mon Sep 17 00:00:00 2001
From: Andrew Meadows <andrew@highfidelity.io>
Date: Fri, 10 Jul 2015 11:30:24 -0700
Subject: [PATCH] handle case where action params are missing

---
 libraries/physics/src/ObjectActionOffset.cpp | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/libraries/physics/src/ObjectActionOffset.cpp b/libraries/physics/src/ObjectActionOffset.cpp
index 2391ded13d..00b7fe6734 100644
--- a/libraries/physics/src/ObjectActionOffset.cpp
+++ b/libraries/physics/src/ObjectActionOffset.cpp
@@ -95,26 +95,21 @@ bool ObjectActionOffset::updateArguments(QVariantMap arguments) {
     glm::vec3 pointToOffsetFrom =
         EntityActionInterface::extractVec3Argument("offset action", arguments, "pointToOffsetFrom", ok, true);
     if (!ok) {
-        return false;
+        pointToOffsetFrom = _pointToOffsetFrom;
     }
 
     ok = true;
     float linearTimeScale =
         EntityActionInterface::extractFloatArgument("offset action", arguments, "linearTimeScale", ok, false);
-    if (ok) { 
-        if (linearTimeScale <= 0.0f) {
-            qDebug() << "offset action -- linearTimeScale must be greater than zero.";
-            return false;
-        }
-    } else {
-        linearTimeScale = 0.1f;
+    if (!ok) { 
+        linearTimeScale = _linearTimeScale;
     }
 
     ok = true;
     float linearDistance =
         EntityActionInterface::extractFloatArgument("offset action", arguments, "linearDistance", ok, false);
     if (!ok) {
-        linearDistance = 0.0f;
+        linearDistance = _linearDistance;
     }
 
     // only change stuff if something actually changed