luau
Pygame
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luau
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Building a baseline JIT for Lua automatically
As far as I can tell, they aren't.
http://lua-users.org/wiki/SandBoxes
There is a lot of information there, but it doesn't handle resource exhaustion, execution time limits or give any guarantees. It does indicate that it's possible, and has a decent example of the most restrictive setup, which is a good start. But I would for example compare it with Luau's SECURITY.md.
From https://github.com/luau-lang/luau/blob/master/SECURITY.md:
> Luau provides a safe sandbox that scripts can not escape from, short of vulnerabilities in custom C functions exposed by the host. This includes the virtual machine and builtin libraries. Notably this currently does not include the work-in-progress native code generation facilities.
> Any source code can not result in memory safety errors or crashes during its compilation or execution. Violations of memory safety are considered vulnerabilities.
> Note that Luau does not provide termination guarantees - some code may exhaust CPU or RAM resources on the system during compilation or execution.
So, even luau will have trouble with untrusted code, but it specifies exactly what happens and so on. I think that's fair enough.
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Pluto, a Modern Lua Dialect
Alternatively, Luau is a well-supported Lua variant with type checking and performance improvements, aimed more towards being a sandboxed embedded scripting environment.
https://luau-lang.org/
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Buzz: A lightweight statically typed scripting language
If you need Lua but also type-safety, how about Luau [1] then?
[1] https://luau-lang.org/
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Lua Criticism Is Unwarranted
I had the pleasure of working with Lua 5.1 back in the late noughties. For me it's replaced Tcl whenever I want something I can configure above a C library. At the time I used it I found it quite nice but I'll also not forget the hours I wasted tracking down nil table corruptions which could have easily been caught by a type checker.
I had some hope that Luau https://luau-lang.org or Teal https://github.com/teal-language/tl would make things better but with the following example
function foo(x: number): string
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Ask HN: Looking for platforms, other than Roblox, that have adopted Luau
Looking at other replies here, I can see I wasn't the only one who didn't realize there is Lua and Luau. Luau is an extension of Lua: https://luau-lang.org/
> Luau is syntactically backwards-compatible with Lua 5.1 (code that is valid Lua 5.1 is also valid Luau); however, we have extended the language with a set of syntactical features that make the language more familiar and ergonomic.
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Embeddable Common Lisp 23.9.9
Lua is usually the embedded language of choice. If you are focused on security, you could check out the Roblox fork, Luau (https://github.com/Roblox/luau) where the creators took extra care to lock down the language on what scripts could do.
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Creating a simple sandboxed language
Luau - Lua variant by Roblox
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The Warframe Lexicon for Updates
On a side note, I've heard that they recently switched from Lua to Roblox's own fork of Lua, Luau.
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Lua: The Little Language That Could
https://www.youtube.com/results?search_query=luau+roblox&sp=...
Luau
https://github.com/Roblox/luau
Roblox wrote a superset of Roblox Lua which is way faster
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Scripting Resources MegaThread
https://luau-lang.org/ - some documentation, and examples https://create.roblox.com/docs - documentation, tutorials, and examples https://www.youtube.com/user/AlvinBLOX - tutorials https://www.youtube.com/@TheDevKing/videos - tutorials https://www.lua.org/manual/5.1/ - not specific to Roblox, but Lua reference manual https://www.codecademy.com/learn/learn-lua - Lua on Codecademy
Pygame
- Not only Unity...
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I want to make a game but I'm scared...
pygame never used it, but its popular python library, heard good things about it. i suggest if you are not trying to make resource intensive game, and you want to learn python which is a really valuable skill.
- Ask HN: Favorite Game Engine?
- Pygame 2.5.0 ā Delicious but a Weird
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Easy game making and coding for tech learners
Pygame is a framework of python modules and libraries for writing games. It is modular and great for learning the basics of the Python programming language.
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what is the best way to learn pygame from 0?
There two parts to sprite class. One is in cython and the there one in python. Would have to go through code to see which one their still using. Every test I have run. Sprite and Group will handle more images. With out frame rate dropping below 60.
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Java or Python or C? for Coding A Game
To code a game, at first you should be familiar with some basic CS concepts and DSA. All of the languages above have modules and frameworks for games. I would suggest considering to start learning Python with DSA and then pygame (A Python library for creating games).
- Desenvolvimento de Games, por onde comeƧar?
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Need help with pygame's font module
Pygame uses SDL_ttf under the hood to work with fonts. If youāre just wanting to load your own font you can just use pygame.font.Font() and point it to a ttf file. If youāre wanting to mess with the font object or do something else with the raw font data, you might want to check out https://github.com/pygame/pygame/blob/main/src_c/font.c and https://github.com/libsdl-org/SDL_ttf/blob/main/SDL_ttf.c to get an idea of what pygame and SDL are doing under the surface.
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What happened in the pygame github?
What happened here? https://github.com/pygame/pygame/issues/1476
What are some alternatives?
lua-languages - Languages that compile to Lua
Cocos2d - Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.x & 2.x.
LuaJIT - Mirror of the LuaJIT git repository
PySDL2
moonsharp - An interpreter for the Lua language, written entirely in C# for the .NET, Mono, Xamarin and Unity3D platforms, including handy remote debugger facilities.
Arcade - Easy to use Python library for creating 2D arcade games.
lua-language-server - A language server that offers Lua language support - programmed in Lua
Panda3D - Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU
tl - The compiler for Teal, a typed dialect of Lua
RenPy - The Ren'Py Visual Novel Engine
moonscript - :crescent_moon: A language that compiles to Lua
kivy - Open source UI framework written in Python, running on Windows, Linux, macOS, Android and iOS