How can I activate a function with a loop for multiple parts at once?
I'm working on a silent hill sort of game and I'm struggling to activate the transition from the Fog World to the Otherworld. I store every part of the transition in one folder for easier access for the script. Each transitioning parts have a Particle Emitter named "P" which needs to be activate first and all at once, and then a loop to make the parts transparent all at the same time. Finally turn off the emitters at the same time.
So far I tried to two things, both equally bad.
local TransitionParts = game:GetService("Workspace")["Transition parts"]:GetChildren()
local function Transition()
local g = 0
print("Activated")
wait(1)
warn("Creepy Siren Noises")
wait(3)
--First attempt
--[[
for i,v in pairs(TransitionParts) do
v.P.Enabled = true
for g = 0, 1, .1 do
v.Transparency = g
print(g)
wait(0.35)
end
v.P.Enabled = false
end--]]
--Second attempt
for _,v in pairs(TransitionParts) do
v.P.Enabled = true
end
for _,v in pairs(TransitionParts) do
g = g + 1
TransitionParts.Transparency = g --Doesn't even work
print(g)
wait(0.35)
end
for _,v in pairs(TransitionParts) do
v.P.Enabled = false
end
print("Complete")
end
script.Parent.ClickDetector.MouseClick:Connect(Transition)
I know its messy, I'm trying to get it to work before I can clean it up some.
At first I tried doing it all in one loop but did one part at a time, then tried 3 seperate loops but for whatever reason the transparency change isn't working nor can the 3rd loop find P.
I'm probably missing something really simple and just over thinking it.
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1 answer
I am assuming you want to change the transparency of every part at the same time. I would suggest using TweenService since it's :Play() method does not yield the current thread.
Solution 1: Tween Service
https://developer.roblox.com/ko-kr/api-reference/class/TweenService
https://developer.roblox.com/ko-kr/api-reference/function/TweenService/Create
If you would want to enable all P particles, smoothly interpolate the transparency, and then after that has finished disable all P particles you could do something like this:
local TweenService = game:GetService("TweenService")
--// [Insert rest of your code here]
local function Transition()
for _, v in pairs(TransitionParts) do
v.P.Enabled = true
end
for _, v in pairs(TransitionParts) do
--// create a new Tween
local Tween = TweenService:Create(v, TweenInfo.new(.35), {
Transparency = 1
})
Tween:Play() --// play the tween's animation
end
wait(.35) --// wait .35 seconds for all tweens to finish
for _, v in pairs(TransitionParts) do
v.P.Enabled = false
end
end
--// [Insert rest of your code here]
Solution 2: Coroutine or Spawn
I don't suggest using these so I am just going to gloss over them briefly.
Alternatively you could use the spawn function, or the coroutine library. I would say both work in this scenario, but I would prefer to use TweenService.
The spawn function works like coroutine.wrap but automatically calls your passed function.
https://www.lua.org/pil/9.1.html
The coroutine library is meant to make Lua, from the front end, appear to be multi-threaded. Lua is realistically not a multi-threaded language but can "act" as if it were allowing several lines of code to "run at the same time."
The coroutine library offers two functions that would probably help you now.
coroutine.wrapcoroutine.create
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