How were the portals in Portal created? | Bitwise

I'm a professional programmer who works on games, web and VR/AR applications. With my videos I like to share the wonderful world of programming with everyone! How did valve create their iconic portals? In this video I demonstrate my process of recreating the portals in Portal. Music in in outro: Besus y Abrazor - Rolemusic: https://freemusicarchive.org/music/Ro... available under a Creative Commons Attribution license https://creativecommons.org/licenses/...