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Re: arrays

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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 06:44 PM
how do you make an array equal another array? or reset it? Im trying to do this in a while loop but a2 = a1 does not work, it only works outside of the loop ;l
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JarodOfOrbiter is not online. JarodOfOrbiter
Joined: 17 Feb 2011
Total Posts: 20029
17 Nov 2015 06:45 PM
Arrays can't be copied that way, the variables for arrays only point to the array.

http://wiki.roblox.com/index.php/Cloning_tables
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NotAshley is not online. NotAshley
Joined: 16 Jan 2014
Total Posts: 14257
17 Nov 2015 06:45 PM
Well first off in Lua they are called tables, not arrays (sorry it's a habit I had to)

But we'll need more context than that, since there is probably a reason specific to your code that a2 = a1 is only working outside the loop
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cntkillme is not online. cntkillme
Joined: 07 Apr 2008
Total Posts: 44956
17 Nov 2015 06:47 PM
You can call them arrays if you are using them like arrays, because behind the scenes there IS an array part and a hash part, if the hash part is empty it's technically being used as only an array.

Also OP the comparison operator will compare it by the actual object, not the values inside.
A very easy way would be:

if table.concat(arr1, ";") == table.concat(arr2, ";") then
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 06:49 PM
ill try this

local original = {1, 3, 5, 7, 9}
local copy = {unpack(original)}
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cntkillme is not online. cntkillme
Joined: 07 Apr 2008
Total Posts: 44956
17 Nov 2015 06:51 PM
Oh wait you want to clone the array.
Yeah that'll work, I thought you wanted to compare arrays for some reason.
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JarodOfOrbiter is not online. JarodOfOrbiter
Joined: 17 Feb 2011
Total Posts: 20029
17 Nov 2015 06:52 PM
"Oh wait you want to clone the array."
Woah, I actually got that right? I was just taking a shot in the dark at the vague question.
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 06:56 PM
erm so like that only clones the first 4

table.remove(ani,cycle)
if #ani <= 4 then
ani = {unpack(save)}
end


i think it has to do with the fact that is while #ani <=4 dont know why though
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NotAshley is not online. NotAshley
Joined: 16 Jan 2014
Total Posts: 14257
17 Nov 2015 06:58 PM
It would be easier if we had some more context. What are you trying to do? What is cycle, and what are the contents of ani and save?
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 06:59 PM
save = {1234, 2345, 3456, 4567, 5678, 6789, 7890, 890}

at the time when ani = 4
ani = {1234, 2345, 3456, 4567}
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NotAshley is not online. NotAshley
Joined: 16 Jan 2014
Total Posts: 14257
17 Nov 2015 07:03 PM
Well it looks like you're removing values every time your loop runs, and by the time ani is 4, it will have removed 4 values, leaving 4 left
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 07:04 PM
yes i know but it should reset it to 8 everytime it hits 4
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62GB is not online. 62GB
Joined: 03 Oct 2011
Total Posts: 4157
17 Nov 2015 07:04 PM
Does this work?

function CloneATable(ToClone)
local ToReturn = {}
for i,v in pairs(ToClone) do
ToReturn[key] = v
end
return ToReturn
end
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 07:05 PM
lemme try one sec
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62GB is not online. 62GB
Joined: 03 Oct 2011
Total Posts: 4157
17 Nov 2015 07:06 PM
Oh my bad:


function CloneATable(ToClone)
local ToReturn = {}
for i,v in pairs(ToClone) do
ToReturn[i] = v
end
return ToReturn
end
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 07:07 PM
ya i caught that error but your script like never ends or something e.e
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 07:09 PM
nvm i forgot to remove return but your script doesnt do anything, it ends up making it continue dropping not changing ani at all
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 07:10 PM
table.remove(ani,cycle)
if #ani <= 4 then
for i,v in pairs(save) do
ani[i] = v
end
end
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 07:19 PM
b1
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62GB is not online. 62GB
Joined: 03 Oct 2011
Total Posts: 4157
17 Nov 2015 07:20 PM
unpack() or the code we provided should be working if used correctly. It's a problem on your end most likely.
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 07:25 PM
wait i just figured the problem since im using table.remove im removing the value completely so thats why I got 4 constantly
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 07:48 PM
welp whatever i give up
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62GB is not online. 62GB
Joined: 03 Oct 2011
Total Posts: 4157
17 Nov 2015 07:48 PM
Post your full code.
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Belleq is not online. Belleq
Joined: 05 Jun 2014
Total Posts: 21703
17 Nov 2015 07:52 PM
wait(5)


save = {1234, 2345, 3456, 4567, 5678, 6789, 7890, 890}
local ani = {}

local cycle = 0

ani = save

while true do


cycle = math.random(1,#ani)

table.remove(ani, cycle)

if #ani <= 4 then
ani = {unpack(save)}
end

wait(10)

end
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62GB is not online. 62GB
Joined: 03 Oct 2011
Total Posts: 4157
17 Nov 2015 07:54 PM
Try..


save = {1234, 2345, 3456, 4567, 5678, 6789, 7890, 890}
local ani = {}

local cycle = 0

for i,v in pairs(save) do
ani[i] = v
end

while true do


cycle = math.random(1,#ani)

table.remove(ani, cycle)

if #ani <= 4 then
ani = {unpack(save)}
end

wait(10)

end
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