From f839963622f993037e463b0d306ba07f818825bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Mon, 16 Apr 2012 02:25:18 +0200
Subject: [PATCH] Storing Light position as Vector4, not Vector3.

Four bytes more, but more convenient when multiplying with camera
matrix.
---
 src/Light.cpp | 2 +-
 src/Light.h   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Light.cpp b/src/Light.cpp
index a9f424fdc..44b59d546 100644
--- a/src/Light.cpp
+++ b/src/Light.cpp
@@ -19,7 +19,7 @@ namespace Magnum {
 
 void Light::setClean() {
     if(!isDirty()) return;
-    _position = absoluteTransformation().at(3).xyz();
+    _position = absoluteTransformation().at(3);
     Object::setClean();
 }
 
diff --git a/src/Light.h b/src/Light.h
index 1055309be..080c1681f 100644
--- a/src/Light.h
+++ b/src/Light.h
@@ -39,7 +39,7 @@ class Light: public Object {
         /**
          * @brief Light position relative to root object (scene)
          */
-        inline Vector3 position() {
+        inline Vector4 position() {
             setClean();
             return _position;
         }
@@ -50,7 +50,7 @@ class Light: public Object {
         void setClean();
 
     private:
-        Vector3 _position;
+        Vector4 _position;
 };
 
 }