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Fun with Grids and Physics

This is sample code from me experimenting in the TTS engine...
Basically this creates grids, or grids of grids, of adjustable dimensions of game blocks (could be anything loadable in code easy enough)

Attaches to each object a piece of code that makes them function like a mouse trap. Each object can trigger once on a collision. It will send itself and whatever hit it, flying upwards.

Includes:
spawning objects in the world
placing objects in a grid
spacing objects apart in a grid
attaching lua scripting to an object
making events fire only once
applying force to an object
applying force to a colliding object

At the top of the code are the following settings, play with them and see what different effects you get.

baseEnabled = false -- do you want to spawn the giant grey ground plane?
blocksEnabled = false -- do you want to spawn blocks?

numGridsX = 1 -- how many grids to use left/right
numGridsZ = 1 -- how many grids to use up/down

gridWidth = 5 -- width of block grid
gridHeight = 5 -- height of block grid

--default square blocks are 1x1 unit in game
blockSizeX = 3 -- block width (left/right)
blockSizeY = 2 -- block height (up)
blockSizeZ = 3 -- block depth (forward/backward)

blockSpacing = 0.1 -- how much space between each block
blockSpacingScaled = false -- do we want this to scale with the block dimensions?