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Questions tagged [luau]

Luau is a scripting language based on Lua 5.1.

The luau language was developed by Roblox. The language's website is at https://luau-lang.org/.

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Roblox WidthScale not being affected

I'm trying to make a potion where you get thin when you drink it, but when I try the code below, it doesn't work. No errors, no warnings, no nothing. return function(Player) local HumanoidDescription =…
Cmb
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My script for Roblox wont work. Its supposed to close all other frames when the button is clicked

So it throws no errors. All of the frames are being referenced correctly. I am so confused and do not know how to fix it, I have been searching for examples and cannot find ANYTHING. Even ChatGPT couldnt make a working one. local StarterGui =…
Brody Simpson
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Code to change the angle not working with string.match

I made a code that uses the Module3D to attach a GUI with a 3D Model in Roblox, i tried to change the angle if the Build name contains "Building" using string.match, but didn't work, and i have no errors in output. How i can fix that? Code: local…
takezo
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I need help here my script does not work and there is nothing in the output

`script.Parent.ClickDetector.MouseClick:Connect(function(Player) Player:WaitForChild("leaderstats"):WaitForChild("Power").Value -= script.Parent:GetAttribute("Damage") end)` I expected the damage of the model to romove the player's power
adam lol
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How to destroy parts in order by colour

While scripting a game in ROBLOX I was unable to make a script that removed a part in order by colour. I tried: local partColours = {'Really Red', 'Really Blue', 'Magenta', 'Lime Green'} local folder = game.Workspace.Color:GetChildren() for i, v in…
monke
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Unable to cast to dictionary - Luau/Roblox Lua

I'm building a game in Roblox and I'm trying to make an NPC go towards the player using PathfindingService, and when the path doesn't work it wanders. However, I keep getting the error message "Unable to cast to Dictionary - Server - Script" and I…
iaskstufffornothinginreturn
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ImageLabel doesn't display in BillboardGUI

So, this is my problem. This script works with one image id, but not any others. I literally have no idea why this is happening. This is the script >> function newEntity(imgId, eName) EntityBase = Instance.new("Part", workspace) …
user15810432
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Are you able to use number values as variables that can be called upon in Luau?

Im wondering if you would be able to use a number value as a variable that can be used in multiple different scripts
ben
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Can you use a local script which is not inside a text button to write code for another text button in Luau?

The code is fine with no errors, just it doesn't work Heres the code: local clicks = 0 local plr = game.Players.LocalPlayer local cm = 1 script.Parent.MouseButton1Click:Connect(function() clicks = clicks + cm …
ben
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Are you able to add code for other text buttons with a local script inside somewhere else in Luau?

So im making a cookie clicker made with gui in Luau and im trying to make it so when you click a button it takes cookies away and adds a multiplyer, but the script is inside the cookie button local cookies = 0 local plr =…
ben
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How come my text wont change in roblox studio when i update it with a code?

So im trying to make a game about clicking cookies with Luau(roblox's version of lua) and the text property will change, but the new text will not actually show in game. Heres my script: local clicks =…
ben
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Unable to assign property AnimationId. Content expected, got nil

I don't know what's happening, but i'm getting that error in output. Apparently every animations of the Anims table and normalcombo table exists, and the property too. I tested it in Commandbar but didn't work. I don't know how to fix it and don't…
takezo
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Roblox plugin: How do I redirect the plugin user to a certain website?

I am currently making a Roblox plugin and I have created a help button. However, I want to redirect users to a webpage (let's say, example.com). Through all of the API pages that I browsed through, I could not find anything. Is it possible to do so?…
Tethrarxitet
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(Help) How to make the script below can be re run after respawn?

So, i am trying to make it can be re run after respawn but it does not work, i am kept struggling. My purpose with this script (autofarm, when the tween is done, it does waiting until respawn, when it's respawned, it does re run.) local function…
user20853472
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Is it possable to send keydown event and key up event?

is there a way to send a key down and key up event in Lua? Is it possible? (This is my first time asking a question here, I'm so nervous '~') I want it to help you auto-press the key without you touching anything, I am making a game in which you can…
Leo Cheng SC
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