Apps for learning lua?

Im trying to learn lua and I’ve seen apps like Duolingo but for coding but it seems none have lua as an option does anybody know any apps?

https://redd.it/1cqculk
@r_lua

First loops and tables i did

Just some tests if you have any hint or critics about the code (Even if it's very simple) i accept, cuz i want to get better and learn lua

Repeating = 10
print ("first repeat")
print (" ")
repeat
    print(Repeating)
    Repeating = Repeating - 1
until Repeating == 0
print (" ")

print ("now While")

print (" ")
while Repeating <= 10 do
    print (Repeating)
    Repeating = Repeating + 1
end
print (" ")

print ("now for")

print (" ")
for i = 1, 10, 1 do
    print (i)
end

local thetable = {}

thetable1 = "Pedro"
thetable2 = "Maria"
thetable3 = "Jhon"
thetable4 = "Kaio"
thetable5 = "Toddler"

local fired = thetable3
    print ("Jhon has been fired!")
    print ("So he will not apparear in the table!")
table.remove(thetable, 3)

for i = 1, #thetable do
    print(thetablei)
end
print (" ")
print (thetable2 .. " " .. "she likes " .. thetable4)
print (" ")
print ("Write down an person name")
table.insert(thetable, 3, io.read())

print ("")
print ("Now" .. " " .. thetable3 .. " Has been called to replace" .. " " .. fired)
print (" ")








https://redd.it/1cqeius
@r_lua

Any tips or advice to learn lua?

I wanna learn how to code on Roblox, but I also wanted to know if there’s any ACTUAL good sources I can learn from. I’m down to be patient with myself and learn from any source at this point.

https://redd.it/1cr321h
@r_lua

If you are new to Lua, have you considered running it on a microcontroller?

The Xedge32 IDE, similar to Visual Studio Code but running in the browser, can be installed onto an ESP32 microcontroller directly from your browser. Perfect for beginners, this guide from Shilles Coding Tutorials walks you through the basics of the Lua programming language, showing how simple it is to set up your device and start noscripting.
https://youtu.be/2aunWZx-Hs0?si=WIHgJs9UBWixaVo-

https://redd.it/1cr61gu
@r_lua

Lua aot

Are there any Lua compilers? I really like Lua's syntax, but also really need performance. I was hoping to use Lua, but I can use nim. So is there any Lua to c/Lua to asm compiler? If not, I guess I'll use Nim.

https://redd.it/1crhuav
@r_lua

Can anyone fix this broken randomizer please?

Hello everyone,

I am working on a project on Linux Mint box, using a program called conky to present an image onscreen with no windows or boarders, and full transparent background. Two files run this, my joke.conf and joke.lua

The lua is supposed to generate a random number between 1 and 51 inclusive on each use, but is stuck on one number it generates every time. Can anyone fix the random function for me please?

Here is the .lua https://dpaste.org/hC4HE

and here is the .conf that fires the .lua file: https://dpaste.org/PMuw6

I would appreciate any help :)

https://redd.it/1cs2fjq
@r_lua

Need a subroutine to play corresponding mp3 in noscript please

Hello everyone,

I have a .lua in progress that is now successfully randomizing a number from 1-51 inclusive and displaying the corresponding .png from a directory of numbered pngs. I also have numbered .mp3's in the directory /home/logansfury/Music/eyegor/ I need the noscript to immediately after displaying the $random_number image, to use the app mpg123 to play the corresponding $random_number .mp3.

Here is the noscript so far: https://dpaste.org/dhVj4

Can anyone help code a working os.execute for the mpg123? All my attempts to get such a noscript from online resources either broke the noscript outright, or errored and launched three instances of mpg all playing the mp3 on top of each other with reverb and echo. It sounded horrible >.<

Thanks for reading,

Logan

https://redd.it/1cs3o6b
@r_lua

Send Emails with Lua on ESP32 - Beginner Tutorial

Hello Everyone,

I've created a tutorial on how to send emails using the Lua programming language on the ESP32-S3 with the Xedge32 firmware! You can watch it here: YouTube Tutorial.

It's amazing how this simple yet efficient language allows us to code some impressive projects. The toolkit provided by the platform even lets us build production-level software. I'm sure you'll learn something new and useful.

If you're interested in more IoT and embedded systems projects, don't forget to subscribe to my channel for future updates!

https://redd.it/1csn2k4
@r_lua

New problem with new version of .lua noscript. Multiple command executions

Hello everyone,

I am on Linux Mint using a .lua noscript with the app Conky.

I am attempting to get the .lua noscript to randomize a number between 1 & 51 inclusive and assign to a variable, then display a numbered .png file that matches ($variable.png) and immediately play the corresponding numbered .mp3 ($variable.mp3)

Here is the current version of the noscript: https://dpaste.org/CD9Qu

The problem is, it is not starting with displaying the .png. It first plays an mp3, then plays a second mp3, then when that mp3 completes, it displays the image corresponding to the second mp3 played, then it starts a 3rd mp3, plays that then displays a second .png corresponding to the 3rd mp3 >.<

Here is the output of the .lua when launched via terminal: https://dpaste.org/w5Rg6

Has anyone time to look at the code at the paste site and provide an edit? I did NOT code any of this, It started as a template from another routine and has been edited by online resources and help from forums, so I have no idea how to fix.

Thank you for reading,

Logan

https://redd.it/1ct8d5q
@r_lua

Anyone have industrial experience?

I am looking into using Lua to program some scale controllers/indicators that claim to be compatible with Lua. Anyone have any experience with this at all?

https://redd.it/1ct9u0r
@r_lua

Announcing civix: unix library with powerful shell

luarocks install civix --local
lua
> sh = require'civix.'sh
> print(sh'ls foo/bar')
> out = sh{stdin=io.open'/var/log/syslog', 'grep', 'netgroup: version'}

I'm finally releasing my civix library, which supports an (optionally) asynchronous shell which is compatible with lua coroutines and the LAP protocol

Despite being small, this shell is highly configurable, allowing you to control stdin/out/err with sane defaults, as shown in the example above. It also provides the Sh type directly so you can have more fine-grained control when needed.

In addition, it demonstrates the power of the LAP protocol, enabling asynchronous handling of multiple shells and pipes.

&#x200B;

https://redd.it/1ctgw9p
@r_lua

LuaLs@VSCode, how to annotate existing enum-like global ?

https://preview.redd.it/r51lv0pf7t0d1.jpg?width=672&format=pjpg&auto=webp&s=e4e66ac3415bb00072bcf518b44ef4bdfabbb515

Hello, I'm using vscode LuaLs extension, https://luals.github.io/wiki/annotations/

The upper commented text are part of global loaded on my application start, they are related and grouped, seems best represent as some enum. The best I can get is as displayed, but can the '_G.' be removed?

I also tried @ alias , but seems I'm not understand well, it is not working.

Thank you\~

https://redd.it/1ctgcqz
@r_lua

How to move something in the output?

Like moving a letter to the right

https://redd.it/1ctrsbo
@r_lua

Code checking

hey guys i'm have a error on a lua progam for GMod that uses expression2 stuff and i know what lines of code are but cant figure it out.

#chev8

EGP:egpBox(278,vec2(303,345),vec2(6,6))

EGP:egpAngle(278,-160)

EGP:egpTriangle(279,vec2(-3,3),vec2(3,3),vec2(0,7))

EGP:egpParent(279,278)

EGP:egpBox(280,vec2(296,330),vec2(5,5))

EGP:egpAlpha(280,0)

EGP:egpLine(281,vec2(-3,-19),vec2(-8,4))

EGP:egpLine(282,vec2(-8,3),vec2(-4,7))

EGP:egpLine(283,vec2(-4,7),vec2(15,-3))

EGP:egpLine(284,vec2(15,-3),vec2(11,-7))

EGP:egpLine(285,vec2(11,-7),vec2(3,-2))

EGP:egpLine(286,vec2(3,-2),vec2(-1,-5))

EGP:egpLine(287,vec2(-1,-5),vec2(2,-15))

EGP:egpLine(288,vec2(2,-15),vec2(-3,-19))

EGP:egpAngle(280,-120)

for(I=1,8){EGP:egpParent(280+I,280)}

#chev9

EGP:egpBox(289,vec2(214,346),vec2(6,6))

EGP:egpAngle(289,-200)

EGP:egpTriangle(290,vec2(-3,3),vec2(3,3),vec2(0,7))

EGP:egpParent(290,289)

EGP:egpBox(291,vec2(220,330),vec2(5,5))

EGP:egpAlpha(291,0)

EGP:egpLine(292,vec2(-3,-19),vec2(-8,4))

EGP:egpLine(293,vec2(-8,3),vec2(-4,7))

EGP:egpLine(294,vec2(-4,7),vec2(15,-3))

EGP:egpLine(295,vec2(15,-3),vec2(11,-7))

EGP:egpLine(296,vec2(11,-7),vec2(3,-2))

EGP:egpLine(297,vec2(3,-2),vec2(-1,-5))

EGP:egpLine(298,vec2(-1,-5),vec2(2,-15))

EGP:egpLine(299,vec2(2,-15),vec2(-3,-19))

EGP:egpAngle(291,-160)

Anyway can anyone help me?

https://redd.it/1cuf71k
@r_lua

So I'm making a gun for an FPS game. When I equip it, it's facing the wrong way. How would I fix that?



https://redd.it/1culwhn
@r_lua

Wow First Person addon - Making the crosshair bigger when the character moves

Hi everybody,

I'm trying to create a first person wow addon with a crosshair (similar to skyrim) for personal use. I was able to get pretty far to what I want but now I think I have hit a wall that not even ChatGPT can help.

I get no lua errors when I enter wow but the crosshair frame doesn't increase in size when the character moves. I posted the code I got below and any help would be immensely appreciated.

Thank you,

local crosshairFrame = CreateFrame("Frame", "OldScrollsCrosshairFrame", UIParent)
crosshairFrame:SetWidth(16)
crosshairFrame:SetHeight(16)
crosshairFrame:SetPoint("CENTER", 0, 0)
crosshairFrame:RegisterEvent("PLAYER_STARTED_MOVING")
crosshairFrame:RegisterEvent("PLAYER_STOPPED_MOVING")
crosshairFrame:SetScript("OnEvent", UpdateMovementState)

local crosshairTexture = crosshairFrame:CreateTexture(nil, "OVERLAY")
crosshairTexture:SetAllPoints()
crosshairTexture:SetTexture("Interface\\\\AddOns\\\\MLookLock\\\\crosshair.tga")

local crosshairSize = 16
local moving = false

local function UpdateMovementState(self, event, ...)
if event == "PLAYER_STARTED_MOVING" then
moving = true
elseif event == "PLAYER_STOPPED_MOVING" then
moving = false
end
UpdateCrosshairSize()
end

local function UpdateCrosshairSize()
if moving then
crosshairFrame:SetWidth(crosshairSize * 1.5)
crosshairFrame:SetHeight(crosshairSize * 1.5)
else
crosshairFrame:SetWidth(crosshairSize)
crosshairFrame:SetHeight(crosshairSize)
end
end

local function IsWalking()
-- Check if the player is walking
local isWalking, _ = IsCurrentAction("MOVE")
return isWalking
end

-- Debug output for movement state
local function DebugMovementState()
DEFAULT_CHAT_FRAME:AddMessage("Moving: " .. tostring(moving))
end

https://redd.it/1cunn9s
@r_lua

Magic 8 Ball..... But not

Looking for someone to build something akin to a magic 8 ball to be included in my flutter app.

Please contact me for information

https://redd.it/1cvkfey
@r_lua

Emulator

Hello, so with the ti nspire cx cas calculator the only languages it supports is Ti nspire basic and lua you can use other languages if you jailbreak but my os version is to late so it can’t be jailbroken so is there a gameboy emulator that is solely based in lua and can it possibly run on the ti nspire cx cas thank you

https://redd.it/1cvo10g
@r_lua

I made a full "native table" json parser, with 0 addaptations

LuaFluid json its a json parser that doesnt require any type of adaptions, just dump and parser as a normal table.

https://github.com/OUIsolutions/LuaFluidJson?tab=readme-ov-file

https://redd.it/1cw36zn
@r_lua

Debugging openresty

Anyone have any experience in this? I've tried setting up 3-4 dofferent remote debugging solutions out there

Zerobrane had issues with luasoclet core.dll I couldn't get around (complains about invalid win32 executable)

The other solutions use mobdebug usually, but are missing documentation. Or the documentations just in chinese/korean.




https://redd.it/1cw7j5x
@r_lua

Lua pattern guide?

I am trying to get the number values from color strings(e.g "rgb(0, 0, 0)"). However, after looking around lua patterns and checking the docs, I can say that I have no idea how to do that.

Anyone have a good lua pattern guide that I can look at?

https://redd.it/1cwfnpl
@r_lua