feat: choice of library first ver

.gitignore

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 Thesis/Thesis.bbl
 Thesis/Thesis.blg
 Thesis/Thesis.toc
+Thesis/Thesis.out

Thesis/Thesis.tex

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 % From specification:
@@ -218,6 +228,40 @@ does not deliver more complicated architecture.
 From my own private preferences I also prefer software with 
 open source license.
 
+\section{Choice of OpenGL Library}
+There are 4 basic OpenGL libraries that I considered:
+\begin{itemize}
+    \item freeGLUT
+    \item SDL 
+    \item SFML 
+    \item GLFW
+\end{itemize}
+freeGLUT was created as opensource alternative to GLUT, 
+is considered to be the worst out of all 4, 
+written in archaic way, using C or very old C++, 
+which in turn results in unexpected "buggy" behaviour,
+it is also not really popular with lack of online guides \\
+SDL - Simple DirectMedia Layer has big userbase, 
+it is not designed to by used as a standalone 
+library and requires additional libraries to do networking 
+or to create more complex applications. \\
+SFML is the library with most features out of all 4, 
+it supports networking, audio and has system features by 
+default. It uses modern object oriented C++. 
+Main problem with SFML is that it is not very popular API,
+therefore troubleshooting problems with SFML is quite hard and
+it has only few use guides online \\
+GLFW is an library that is both the most popular and with fewest features by default. 
+It forces users to use additional libraries for networking, 
+sound, physic calculations and so on but in turn is also 
+quite small and flexible. It has biggest community and a 
+lot of guides, like one hosted at 
+\href{learnopengl.com}{learnopengl.com} or one created by 
+programming youtuber Cherno \\
+I decided to use GLFW library. I wanted something that is 
+relatively easy to troubleshoot and has abundance of 
+learning materials online. 
+
 
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