added game engine subproject

.gitignore

 Makefile
 
 *.o
+*.so
+*.so.*
 TheGame/TheGame

TheGame/TheGame.pro

 FORMS    += mainwindow.ui
 
 LIBS += -lGLU
+
+win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../UGameEngine/release/ -lUGameEngine
+else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../UGameEngine/debug/ -lUGameEngine
+else:unix: LIBS += -L$$OUT_PWD/../UGameEngine/ -lUGameEngine
+
+INCLUDEPATH += $$PWD/../UGameEngine
+DEPENDPATH += $$PWD/../UGameEngine

TheGame/mainwindow.ui

    <rect>
     <x>0</x>
     <y>0</y>
-    <width>400</width>
-    <height>300</height>
+    <width>415</width>
+    <height>311</height>
    </rect>
   </property>
   <property name="windowTitle">

TheGame/renderwidget.h

 #define RENDERWIDGET_H
 
 #include <QGLWidget>
+#include "ugameengine.h"
 
 class RenderWidget : public QGLWidget
 {
 
     float _fov;
 
+    QSharedPointer<UGameEngine> _engine;
+
 };
 
 #endif // RENDERWIDGET_H

UGameEngine.pro

 TEMPLATE = subdirs
 
+CONFIG += ordered
+
 SUBDIRS += \
+    UGameEngine \
     TheGame

UGameEngine/UGameEngine.pro

+#-------------------------------------------------
+#
+# Project created by QtCreator 2016-08-31T16:32:08
+#
+#-------------------------------------------------
+
+QT       -= gui
+
+TARGET = UGameEngine
+TEMPLATE = lib
+
+DEFINES += UGAMEENGINE_LIBRARY
+
+SOURCES += ugameengine.cpp
+
+HEADERS += ugameengine.h\
+        ugameengine_global.h
+
+unix {
+    target.path = /usr/lib
+    INSTALLS += target
+}

UGameEngine/ugameengine.cpp

+#include "ugameengine.h"
+
+
+UGameEngine::UGameEngine()
+{
+}

UGameEngine/ugameengine.h

+#ifndef UGAMEENGINE_H
+#define UGAMEENGINE_H
+
+#include "ugameengine_global.h"
+
+class UGAMEENGINESHARED_EXPORT UGameEngine
+{
+
+public:
+    UGameEngine();
+};
+
+#endif // UGAMEENGINE_H

UGameEngine/ugameengine_global.h

+#ifndef UGAMEENGINE_GLOBAL_H
+#define UGAMEENGINE_GLOBAL_H
+
+#include <QtCore/qglobal.h>
+
+#if defined(UGAMEENGINE_LIBRARY)
+#  define UGAMEENGINESHARED_EXPORT Q_DECL_EXPORT
+#else
+#  define UGAMEENGINESHARED_EXPORT Q_DECL_IMPORT
+#endif
+
+#endif // UGAMEENGINE_GLOBAL_H