From dca0e2f582ea3996248039e636ff0ba28e373128 Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Sun, 3 Jan 2016 16:43:20 +0100
Subject: [PATCH] Pass a Vec4f by reference

---
 components/sceneutil/lightcontroller.cpp | 2 +-
 components/sceneutil/lightcontroller.hpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/sceneutil/lightcontroller.cpp b/components/sceneutil/lightcontroller.cpp
index 511937a28..e3ea93843 100644
--- a/components/sceneutil/lightcontroller.cpp
+++ b/components/sceneutil/lightcontroller.cpp
@@ -125,7 +125,7 @@ namespace SceneUtil
         traverse(node, nv);
     }
 
-    void LightController::setDiffuse(osg::Vec4f color)
+    void LightController::setDiffuse(const osg::Vec4f& color)
     {
         mDiffuseColor = color;
     }
diff --git a/components/sceneutil/lightcontroller.hpp b/components/sceneutil/lightcontroller.hpp
index f6e2fa9fa..8f70af343 100644
--- a/components/sceneutil/lightcontroller.hpp
+++ b/components/sceneutil/lightcontroller.hpp
@@ -24,7 +24,7 @@ namespace SceneUtil
 
         void setType(LightType type);
 
-        void setDiffuse(osg::Vec4f color);
+        void setDiffuse(const osg::Vec4f& color);
 
         virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);