Author of Castle Game Engine and view3dscene, CTO at Cat-astrophe Games LLC
Michalis Kamburelis is a developer, working in the field of games and general 3D visualization in various engines. He created open-source Castle Game Engine, cross-platform 2D and 3D game engine using X3D at its core, and remains it's main developer since 15 years. Using the engine, Michalis created various tools (like view3dscene) and games (like "Escape from the Universe" and "The Unholy Society", as part of Cat-astrophe Games indie game studio).
He published 2 papers about X3D, describing shadow maps in X3D (2010) and compositing shaders (2011). In 2019/2020 he contributed to X3Dv4 development, to enable physically-based rendering and other material upgrades in X3D 4.0, as well as greater interoperability between X3D and glTF.
X3D Browsers [Webinar 2020]