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@RustyCrab @PurpCat @eric @professionalbigot69 @Nudhul I know about volume sweeps, and they're sort of like what I'm talking about, but dead reckoning is used a lot in network protocols that have a ton of entities with very predictable changes. Instead of sending an "I'm here heading this way" message every so and so milliseconds, you send "I'm here and my speed is ~ changing at ~ a second; my heading is ~ changing at ~ a second." You then don't need to send any more updates until you stray significantly from your stated path.