Loop within a Loop?
Is it possible to loop within a loop? If so, what exactly does that do in terms of operation
Like, for example does it do this:
Loop1() Loop2() end end
Starts loop1 variables of loop1 transfer to loop2 then starts loop 1 again repeat()
or is it independent
loop1()
loop2()
end end
Starts loop1 , loop until nil, then start loop2, loop until nil. . I need to make a loop that can iterate through a list of players then
on a specific player iterate through a table and add values to the specific player via a sever script so I need to understand how loops function.
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1 answer
Nesting
It is possible and actually used incredibly frequently in programming. The technique is referred to as nesting. First lets think about what exactly a loop does:
All the the loops in Lua work in a very similar way where they complete a list of steps, one at a time, until it reaches the end where the loop then dictates whether or not the steps should be repeated again.
Now lets stick a loop inside of that loop. The loop starts processing the steps one by one until it gets to the nested loop. Now this loop has to go through all of it's steps, looping as many times as it needs too, until the condition is no longer met or the loop is broken. Now we're back into the original loop completing instructions once again. When the end of this loop is reached, it loops back over everything inside of it, including the nested loop.
So lets say we were given the following numeric for loop with another nested for loop inside:
for a = 1, 3 do
print(a)
for b = 1, a do
print("Hello")
end
end
What would the output look like? Remember that everything inside first for loop must be run completely before it can start the loop again.
Output:
1 Hello 2 Hello Hello 3 Hello Hello Hello
As you can see, everything inside the first for loop is executed before the loop starts again, including the entire nested for loop.
This applies for all loops in Lua (for, while, and repeat).
For your problem
To accomplish your task, we loop through all the players and if the player is indeed the specific player then we loop through the table.
local specificPlayer = "Player"
local array = {} -- Things to loop through
for _, player in next, game.Players:GetPlayers() do
if player.Name == specificPlayer then
for _, value in next, array do
-- Do Stuff
end
end
end