A module is Lua code that contains functions and variables, and that can be shared across multiple scripts.
The Sprite It SDK has 5 Lua modules:
vector2 = require("vector2")
matrix2 = require("matrix2")
box2 = require("box2")
rgbo = require("rgbo")
spriteIt = require("spriteIt")
(Program Files)/PixaFlux/Resources/Lua\vector2.lua
The vector2 Lua module adds 2D vector math to a Lua script.
(Program Files)\PixaFlux\Resources\Lua\matrix2.lua
The matrix2 Lua module adds 2D matrix math to a Lua script.
(Program Files)\PixaFlux\Resources\Lua\box2.lua
The box2 Lua module adds 2D axis aligned bounding box math to a Lua script.
(Program Files)\PixaFlux\Resources\Lua\rgbo.lua
The rgbo Lua module adds rgbo color math to a Lua script.
(Program Files)\PixaFlux\Resources\Lua\spriteIt.lua
The spriteIt Lua module adds the Sprite It SDK to a Lua script.