this post was submitted on 14 May 2025
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... Ok, that is legitimately impressive, from a technical standpoint.
Lua is a high level, not exactly very 'fast', very performant language. It is designed to be very, very human readable, and coding noob friendly.
Getting a 3D physics engine to work ... in lua... is not something I would have thought possible.
Usually you need to use a much lower level language to ... actually do that.
EDIT:
A few other commenters have now pointed out that this is actually using LuaJIT... which passes Lua code to a C compiler, quickly translates and then compiles in C, and then runs in C.
So, that makes much more sense, its functionally running in C, a lower level, compiled code language.
Still impressive nonetheless!
As someone who can't wrap my head around lua syntax, I will have to assume I simply have too much coding experience
Yeah, I remember using LUA back in the day for gmod.
Hands down one of the shittiest languages I ever touched, right down there with PHP.
Really puts into perspective how stupid developers can be when deciding the tools that they use.
Hot take.
Lua is an industry standard for a reason. The syntax isn't great. But the reference implementation of Lua is under 500kb, very easy to embed and very fast.