HackerTube / Video
Killing the Walk Monster
Molly Rocket
Casey Muratori's remastered BICFest 2018 talk on how the collision system of The Witness was engineered to prevent whole classes of bugs found in game engines. It covers character movement and collision handling.
HN points to it as the explanation of how The Witness solved walking and collision.
3 Hacker News mentions · 2021–2025