Getting started in LSL scripting in Second Life

intro
step 1
step 2
step 3
step 4
step 5
step 6
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introGetting started in LSL scripting in Second Life

Hello and welcome to "Getting started in LSL scripting". LSL stands for "Linden Scripting Language" and is used to script the objects you will encounter and make in Second Life.

WHO THIS TUTORIAL IS FOR:

This tutorial is intended for those who have never programmed before, Second Life or elswhere. However, this tutorial will make little sense outside of Second Life. LSL is very specific to Second Life.

You will begin by running the standard "hello world" script and eventually move towards making your own. You will need to be familiar the basic principles of Second Life and general building skills before you can make use of everything in this tutorial.

Let's move to step 1. "What is LSL?"

Getting started in LSL scripting in Second Life

step 1What is LSL?

LSL is the Linden Scripting Language. This is the language all scripts in Second LIfe are written in. Its structure is based on Java and C. Scripts in Second Life are a se…

step 2Running Your First Script

Traditionally one starts by writing the smallest program possible to print "hello world". Since LSL only runs inside objects, you must know how to create an object and put…

step 3Wash / Rinse / Repeat

We now have a running script, however most scripts you make won't run the first time you run them. It will take many tries as you correct errors and make improvements. Wh…

step 4A Closer Look

Lets take a look at the deafult code. // Code start default { state_entry() { llSay(0, "Hello, Avatar!"); } touch_start(integer total_nu…

step 5Putting it all together

Line by line, here is the hello avatar script. Copy and paste this to a new script to see it color coded. // All Scripts need a Default State default // this open cu…

step 6Introducing States and Events

LSL scripts will not run beginning to end . Instead they will look for a default state and wait for an event. Within those events, there can be a call to go to a new state…

step 7A closer look

Let's examine the default state. First we see the "state_entry" event, which gets triggered each time the default state is entered. SPEAK TO ME! The first line in…

step 8A final word on words

Objects speaking is a great way to know what a script is doing, but everyone can hear it for 30m all around you. As you get into more complex scripts this can get pretty n…

3 comments
Feb 20, 2007. 10:37 AMAdrianne Barbosasays:
Just wanted to say thank you for the tut. Trying to find a place to start with all of this is hard, but things like this are certainly helpful.
Thanks.
Adrianne
Dec 21, 2006. 11:09 AMmaxspawnsays:
I saw in a called site www.2lifeblog.com, some scripts to download; Basic Motorcycle Script, animated texture simple, final flight 2.2, and more, also it is possible to download the complete manual of scripting for Sl.

Regards: Massimo
Dec 21, 2006. 11:06 AMmaxspawnsays:
I saw in a called site www.2lifeblog.com, some scripts to download; Basic Motorcycle Script, animated texture simple, final flight 2.2, and more, also it is possible to download the complete manual of scripting for Sl.

Regards: Massimo

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