From 4bf8604905beec12b7e53b23a9234370ad92cfd4 Mon Sep 17 00:00:00 2001 From: ezhh Date: Fri, 19 Oct 2018 18:45:37 +0100 Subject: [PATCH] Some changes --- _en/basics/lua.md | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/_en/basics/lua.md b/_en/basics/lua.md index 289e454..030b402 100644 --- a/_en/basics/lua.md +++ b/_en/basics/lua.md @@ -28,7 +28,7 @@ to assist with this, and some techniques which you may find useful. A code editor with code highlighting is sufficient for writing scripts in Lua. Code highlighting uses different colours for words and characters -depending on what they represent. This allows you to more easily notice +depending on what they represent. This allows you to easily notice mistakes and inconsistencies. For example: @@ -49,8 +49,8 @@ function ctf.post(team,msg) end ``` -Keywords in this code are highlighted including `if`, `then`, `end`, and `return`. -Functions which comes with Lua by default, such as `table.insert` are also highlighted. +Keywords in this example are highlighted, including `if`, `then`, `end`, and `return`. +Functions which come with Lua by default, such as `table.insert`, are also highlighted. Commonly used editors which are well-suited for Lua include: @@ -62,27 +62,27 @@ Other suitable editors are also available. ### Integrated Programming Environments -Integrated development environments (IDEs) allow you to more easily debug code, +Integrated development environments (IDEs) allow you to easily debug code, but are often more difficult to set up than a simple text editor. One such IDE is Eclipse, which can be used with the Koneki Lua plugin. -To use this: +To use Eclipse and the Koneki Lua plugin when writing Minetest mods: * Install Eclipse and Koneki. * Create a new Lua project from existing source (specify Minetest's base directory). -* Follow instructions from Koneki wiki on how to "Attach to remote Application" debugging. +* Follow the "Attach to remote Application" debugging instructions from Koneki wiki. * It is suggested to add those lines from wiki at the beginning of builtin.lua. * Start the debugger. (Set "Break on first line" in debugger configuration to see if it is working). * Start Minetest. -* Enter the game to startup Lua. +* Enter the game to start Lua. ## Coding in Lua ### Program Flow Programs are a series of commands that run one after another. -We call these commands "statements." -Program flow is how these statements are executed and different +We call these commands "statements". +Program flow is how these statements are executed, and different types of flow allow you to skip or jump over sets of commands. There are three main types of flow: @@ -102,7 +102,7 @@ a = a + 10 print("Sum is "..result) ``` -In this example `a`, `b`, and `result` are *variables*. Local variables are declared +In this example, `a`, `b`, and `result` are *variables*. Local variables are declared by using the `local` keyword, and then given an initial value. Local will be discussed later, because it's part of a very important concept called *scope*. @@ -271,7 +271,7 @@ see what it is. In this example, the foo variable will be printed as "bar", incl which show it is a string. This reveals that the foo variable was global, because it could be accessed from another function than the one in which it was declared. -This is sloppy coding, and Minetest will in warn about this: +This is sloppy coding, and Minetest will warn about this: Assignment to undeclared global 'foo' inside function at init.lua:2