I have seen people use math.floor but I do not quite understand it.

I want the program to round to the nearest integer and return it.
I don't mind if someone just gives me a rounding system as long as I understand it

Hello and welcome to the forums! Your problem is really simple: you have "tiles" table, but not "tiles[tileNumber]" table. You have to create it before you can put values into it. tiles[tileNumber] = { } I am using tileNumber to find an index in the tiles table, I didn't want tw...

When running this code, line 13 causes the error message. tiles = {} --tiles{{"tileNumber","xCoordinate", "yCoordinate"}} tileNumber = 0 wHeight = love.graphics.getHeight() wWidth = love.graphics.getWidth() function tileCreate() for x=0, wWidth, 50 do for y=0, wHeight, ...