Lua实现定时器

// An highlighted block
local index = 1;
local delays = {};
local elasped = 0;
local function SetTimeout(delay,fn)
	table.insert(delays,{
		time = elasped + delay,
		fn = fn
	})
	--TODO 排序
end
local function Update(dt)
	elasped = elasped + dt;
	for i = index, #delays do
		local delay = delays[i];
		if elasped >= delay.time then
			index = index+1;
			delay.fn();
		end
	end
end