Not all you can do with Lua you can do with a mod, and vice versa.
It takes a while depending on how much you want/need to learn, how much you know about programming, etc.
Lua scripting is client-side, but you can make some stuff usable online, such as create your own HUD or make a bot or a move saver or something.

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Why are there 7 static items in the rotation matrices?

x x x 0
x x x 0
x x x 0
0 0 0 1

The xs change, but those zeroes and ones are always zeroes and ones.

?

The rotation matrices are dumps from ODE, I think. They use 4x4 matrices for their internals. The 7 statics are like padding for a 3x3, like if you took a 4x4 identity matrix and dropped a 3x3 in the upper left corner. So you can do multiplications on it and the padding doesn't change anything.

http://www.ode.org/ode-latest-userguide.html#sec_14_0_0

i reaaaaaaally want to use the world builder and would be good at it but i dont have it when i go to scripts....so i downloaded it and put it into the "scripts" file in the toribash folder but it still wasnt there...help anyone?
-snip-
(got carried away with stickers lol)

User infracted for smiley spam.

someone infract him for abusing smiles...

and to answer your question, its really simple. download this, and it'll be on your script list. dont change the name

buggyl: make a file called zzz.lua in your scripts directory.

You can also load scripts by name from the console like

/ls whatever.lua

I'm not sure if this goes in this tread because its all questions about the scripts themselves but... where does the movie.lua script save the movies?

how do you guys make bots? what code do i use?
i dont understand much of the lua tutorial that jok made

were do i save the lua scrips

if your lua scripts are for toribash save them and the scriptes folder
and
HOW DO YOU GUYS MAKE BOTS
i dont know what codes to use
and
leave the answers for an example k