Fix feedback on prev commits from MCMic

[lugaru.git] / Source / Objects / Person.cpp

diff --git a/Source/Objects/Person.cpp b/Source/Objects/Person.cpp
index 891646ab830aef23d6852817c6e843ec3cb970ab..55b62090c51b4016e23403852765e6ad9d129c2c 100644 (file)
--- a/Source/Objects/Person.cpp
+++ b/Source/Objects/Person.cpp
@@ -1,6 +1,6 @@
 /*
 Copyright (C) 2003, 2010 - Wolfire Games
-Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
+Copyright (C) 2010-2017 - Lugaru contributors (see AUTHORS file)
 
 This file is part of Lugaru.
 
@@ -8443,10 +8443,11 @@ void Person::doAI()
                 //chase player
                 XYZ rotatetarget = Person::players[0]->coords + Person::players[0]->velocity;
                 XYZ targetpoint = Person::players[0]->coords;
-                if (findLength(&velocity) != 0 &&
+                float vellength = findLength(&velocity);
+                if (vellength != 0 &&
                     distsq(&Person::players[0]->coords, &coords) < distsq(&rotatetarget, &coords)) {
                     targetpoint += Person::players[0]->velocity *
-                                   findDistance(&Person::players[0]->coords, &coords) / findLength(&velocity);
+                                   findDistance(&Person::players[0]->coords, &coords) / vellength;
                 }
                 targetyaw = roughDirectionTo(coords, targetpoint);
                 lookyaw = targetyaw;