\begin{thebibliography}{1}

\bibitem{oculus}
Oculus rift dk2 setup ― leapmotion documentation.
\newblock \url{https://developer.leapmotion.com/vr-setup/dk2}.

\bibitem{UE4}
Unrealengine4 ― ue4 documentation.
\newblock \url{https://docs.unrealengine.com/en-us/GettingStarted}.

\bibitem{UE4-LM}
connect leapmotion with ue4 ― leapmotion plugin.
\newblock \url{https://developer.leapmotion.com/unreal/}.

\bibitem{UE4-O}
connect oculus with ue4 ― ue4 documentation.
\newblock \url{http://api.unrealengine.com/JPN/Platforms/Oculus/QuickStart//}.

\end{thebibliography}