For the user interface, we opted for a simple interface made with SDL. Initially, we decided not to focus on aesthetics but rather on functionality. To speed up development, we created a library called \verb'EZUI' that allows for quick creation of interfaces in SDL. \subsubsection{EZ UI} \input{sections/partie-technique/gui/ezui/ezui} \subsubsection{GUI} \input{sections/partie-technique/gui/gui/gui}