May 2022

SIGGRAPH Tech Talk: The Right Foot in the Wrong Place: Character Locomotion in Half-Life: Alyx

In this talk, Joe van den Heuvel (Valve) describes the non-player character locomotion system developed for the VR game Half-Life: Alyx. Their solution uses a stride retargeting system, footstep prediction, and a custom motion matching system to animate humanoid and non-humanoid characters as they navigate tight, dense virtual environments in real time.Originally presented at SIGGRAPH 2021.