LSL 101/Variables

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LSL 101: The Wikibook

• A Gentle Introduction
• The Structure of a Script
  • Simple Script Skeleton
  • Comments, White-space and Formatting
• Events & Event Handlers
  • The touch start Event
• Variables
  • Strings and Simple Output
    • String Concatenation
  • Integers
  • Using Variables
    • Global vs Local Variables
    • Variable Initialization
• Functions
  • Functions That Return a Value

The End Game

• Creating a Script
• Compile Time Errors
• Logic
• Conclusion

Variables

A variable is an identified, named place in a script to store information. It has a name, a type and a value. Variable names are limited to 255 characters and must start with letters or the "_" underscore character. Anything else will be ignored or an error generated.

LSL accepts seven types of variable data: string, integer, float, vector, rotation, key, or list.. We will discuss each type briefly below.

A variable can operate in only part of a script or in all of it. The next page of this tutorial Using Variables talks more about assigning and using variables.

Converting one type of variable to another is called "typecasting."

Continue this tutorial with Using Variables or return to Event Handler Parameters to review.