Show HN: Copper – Open-Source Robotics in Rust with Deterministic Log Replay

Re:Show HN: Copper – Open-Source Robotics in Rust with Deter... by gbin on Tuesday December 03, 2024 @01:17PM (#42309305)

I believe that at least the initial version of ISAAC from Nvidia was based on an ECS. I don't think it is a determinism killer, this is often a well ordered pipeline within a game loop.

In terms of architecture though, it looks like it makes a ton of sense inside something like a tracker (ie the entity is basically a track) but for other parts like a vision pipeline, sensor fusion etc... I don't see how it helps.

Tell me if I am missing something.

Talking about Bevy, fitting Copper within Bevy to build this little simulation example happened super naturally: Copper is a System querying the Entities within the virtual world after each simulation tick.

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Re:Show HN: Copper – Open-Source Robotics in Rust with Deter... by BWStearns on Tuesday December 03, 2024 @01:43PM (#42309643)

Very cool about ISAAC. I didn't know.

As far as how it helps, I was mostly thinking from a dev ergonomics perspective. For things like ROS/mavlink it can sometimes be hard (for me) to think through how all the systems are interacting but for whatever reason ECSs feel like a natural way to think about systems with simultaneousish inputs and outputs.

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