Integrating JaCa-Unity in VEsNA for Behavioural Realistic VR Simulations

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Daniela Briola, Giuseppe Vizzari, Giuseppe Mirra, Andrea Gatti, Viviana Mascardi
Matteo Baldoni, Franziska Klügl, Andrei Olaru, Alexandru Sorici, Adina Magda Florea (eds.)
Multi-Agent Systems: 22nd European Conference, EUMAS 2025, Bucharest, Romania, September 3–5, 2025, Proceedings, Part I, chapter 6, pages 86–105
Lecture Notes in Computer Science (Lecture Notes in Artificial Intelligence) 16528
Springer Cham
July 2026

Achieving high realism in Virtual Reality (VR) simulations with many Virtual Humans (VH) is a complex task and involves many different and challenging aspects. This paper focuses on enhancing VH autonomy to enable intelligent behaviours and interaction with the environment. Drawing from research in autonomous intelligent agents and Multiagent Systems (MAS), we analyse which results that the MAS community already obtained can be used in VR to improve VH behaviour, and which requirements should simulation tools fulfill in order to support them. To showcase our vision, we present the JaCa-Unity library for bridging the JaCaMo platform and Unity, and we show how JaCa-Unity has been integrated in VEsNA , an ecosystem that allows Jason agents to interact with humans via a chatbot-like interface and to be immersed within a VR environment.

keywords   Multiagent Systems, Virtual Reality, Virtual Humans, Realistic Simulation, Unity, JaCa-Unity, VEsNA
origin event
journal or series
book Lecture Notes in Computer Science (LNCS)
container publication
page_white_acrobat Multi-Agent Systems (edited volume, 2026) — Matteo Baldoni, Franziska Klügl, Andrei Olaru, Alexandru Sorici, Adina Magda Florea
companion publication
page_white_acrobat Agency and Generation: Friends or Enemies? (paper in proceedings, 2026) — Angelo Ferrando, Daniela Briola, Rem W. Collier, Viviana Mascardi
funding project
wrench ENGINES — ENGineering INtElligent Systems around intelligent agent technologies (28/09/2023–27/02/2026)
wrench FAIR-PE01-SP08 — Future AI Research – Partenariato Esteso sull'Intelligenza Artificiale – Spoke 8 “Pervasive AI” (01/01/2023–31/12/2025)
works as
companion publication for
page_white_acrobat Agency and Generation: Friends or Enemies? (paper in proceedings, 2026) — Angelo Ferrando, Daniela Briola, Rem W. Collier, Viviana Mascardi