Updating.bit

package:application/vnd.bitty-archive;
data:text/json;count=144;path=info.json;
{
  "id": 0,
  "title": "Basics/02. Updating",
  "description": "",
  "author": "Tony",
  "version": "1.0",
  "genre": "TUTORIAL",
  "url": ""
}
data:text/lua;count=908;path=main.lua;
--[[
Example for the Bitty Engine

Copyright (C) 2020 - 2024 Tony Wang, all rights reserved

Homepage: https://paladin-t.github.io/bitty/
]]

-- Variables to accumulate time.
local perSecond = 0
local thirdSecond = 0

-- Updating entry, executes once per cycle (often 60 times per second).
-- The delta parameter means how long has been elapsed since previous update.
function update(delta)
	perSecond = perSecond + delta         -- Accumulate to the "per second" variable.
	if thirdSecond ~= nil then
		thirdSecond = thirdSecond + delta -- Accumulate to the "third second" variable.
	end

	if perSecond >= 1 then
		perSecond = perSecond - 1
		print('Per second.')   -- This happens per second. See output in the console window.
	end
	if thirdSecond ~= nil and thirdSecond >= 3 then
		thirdSecond = nil     -- Stop further ticking.
		print('Third second.') -- This happens once on the third second.
	end
end