What is the meaning of "i" as stated bellow?
I'm not really new to scripting, but i'm not all that good at it. If anyone can tell me what the "i"'s function is, please tell me. Here's an example i found in an old script i had laying around:
or i=1,#disasters do
local item = game.Lighting:findFirstChild(disasters[i])
if item ~= nil then
item.Parent = nil
table.insert(items, item)
else
print("Error! ", disasters[i], " was not found!")
end
(Note that "i" is located at the end of sentence 2, in case you missed it.)
1 answer
for loops let you do something "for each" element in some collection.
The "numeric" for loops, like those seen here, count. They look like this:
for myCounter = smallest, largest do
This for statement introduces the variable myCounter. The loop will execute over and over with new values for myCounter:
myCounterissmallestmyCounterissmallest + 1myCounterissmallest + 2myCounterissmallest + 3- ...
myCounterislargest - 1myCounterislargest
In your example, the variable is just called i which is a typical abbreviation for "index".
It starts at 1 and ends at #disasters, which is the number of disasters. Thus the loop executes one for each disaster;
iis1anddisasters[i]isdisasters[1], the first disasteriis2anddisasters[i]isdisasters[2], the second disasteriis3anddisasters[i]isdisasters[3], the third disaster- ...
iis#disastersanddisasters[#disasters]is the final disaster
When you have a loop that looks like the one you have and you repeatedly use disasters[i] it's pretty clear that the i doesn't really have a meaning, and you'd really just get at each disaster.
You can use a generic for loop, one with an ipairs iterator generator, to do this:
for _, disaster in ipairs(disasters) do
local item = game.Lighting:FindFirstChild(disaster)
......
You should use :FindFirstChild. The lowercase version :findFirstChild is deprecated.
You should store objects in ServerStorage or ReplicatedStorage, not in Lighting.
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