SceneGraph rework, part 1: removed Light object.

It's nearly useless and doesn't contain any useful code. Will be done
differently.

src/SceneGraph/CMakeLists.txt

@@ -1,10 +1,8 @@
 # Files shared between main library and unit test library
 set(MagnumSceneGraph_SRCS
-    Camera.cpp
-    Light.cpp)
+    Camera.cpp)
 set(MagnumSceneGraph_HEADERS
     Camera.h
-    Light.h
     Object.h
     Scene.h
 

src/SceneGraph/Light.cpp

@@ -1,26 +0,0 @@
-/*
-    Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
-
-    This file is part of Magnum.
-
-    Magnum is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Lesser General Public License version 3
-    only, as published by the Free Software Foundation.
-
-    Magnum is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-    GNU Lesser General Public License version 3 for more details.
-*/
-
-#include "Light.h"
-
-namespace Magnum { namespace SceneGraph {
-
-void Light::clean(const Matrix4& absoluteTransformation) {
-    Object3D::clean(absoluteTransformation);
-
-    _position = absoluteTransformation[3];
-}
-
-}}

src/SceneGraph/Light.h

@@ -1,60 +0,0 @@
-#ifndef Magnum_SceneGraph_Light_h
-#define Magnum_SceneGraph_Light_h
-/*
-    Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
-
-    This file is part of Magnum.
-
-    Magnum is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Lesser General Public License version 3
-    only, as published by the Free Software Foundation.
-
-    Magnum is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-    GNU Lesser General Public License version 3 for more details.
-*/
-
-/** @file
- * @brief Class Magnum::SceneGraph::Light
- */
-
-#include "Math/Point3D.h"
-#include "Object.h"
-
-namespace Magnum { namespace SceneGraph {
-
-/**
- * @brief Basic light object
- *
- * Provides cached light position.
- */
-class SCENEGRAPH_EXPORT Light: public Object3D {
-    public:
-        /**
-         * @brief Constructor
-         * @param parent        Parent object
-         */
-        inline Light(Object3D* parent = nullptr): Object3D(parent) {}
-
-        /**
-         * @brief Light position relative to root object (scene)
-         */
-        inline Point3D position() {
-            setClean();
-            return _position;
-        }
-
-    protected:
-        /**
-         * Recomputes light position.
-         */
-        void clean(const Matrix4& absoluteTransformation);
-
-    private:
-        Point3D _position;
-};
-
-}}
-
-#endif