How to make Elevator less jittery/bumpy and more smooth?

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#1

I’ve been reading some posts relating to this issue and some have suggested replicating the Tweening on the client. However, the jitteriness is still occurring but it’s a bit more subtle, but this won’t do much good when the elevator moves at high speeds.

Tweening on the Serverside:


Client:

What can I do to keep the player on the platform stably?

#2

I think the best thing to do is have an invisible base object (elevator moves with, the tweened part). When the player is lets say, 400 studs away from the Base. It spawns the Elevator Model in and syncs positions with the Base using RenderStepped.

You can also Attach yourself and others to the floor on the client in the same RenderStepped.
I’d look in to this

#3

For mine, I use physics. PrismaticConstraint to be exact, and it’s pretty smooth

#4

My main concern about using physics is that I believe they can be vulnerable to exploits (correct me if I’m wrong), and are you able to tween prismaticconstraints? I have no experience with them.

#5

Neat, thanks, I’ll check this out

#6

You are able to tween prismatic constraint properties, not the movement itself. Server-sided anti cheats (such as repeatedly setting the constraint speed to, say, 10 and then 10.1 and then back to 10) could help prevent those. I haven’t had issues with it

#7

One way you can protect the elevator from tampering is by setting the network ownership of its primary part to nil (you’ll have to do so using a server script). This will make the server handle the physics calculations for your elevator, so exploiters won’t be able to move it to wherever they please, but it does come with the drawback of adding more work for the server to do, especially if the server is already busy calculating the physics of other assemblies. It’s also not as smooth as allowing the client to calculate the physics themselves, but the result is good if network conditions are ok

#8

I have one doing this same thing. I modified a model and got it working pretty smooth. Still need to add this to my other one… Lift.rbxm (18.6 KB) ← click to download.

#9

@D7L14 For a more realistic effect that isn’t over complicated, this.

Ensure NetworkOwnership is set correctly and just be warned for bugs in constraints when the server FPS drops under 24 (Rare, but can happen to Roblox’s Servers)

#10

Thanks for the advice everyone, I discovered this script and it COMPLETELY resolved the issue, it’s buttery smooth. Here it is.

local runService = game:GetService("RunService")

local player = game:GetService("Players").LocalPlayer

local camera = workspace.CurrentCamera

local lastPlatform = nil
local lastPlatformCFrame

local params = RaycastParams.new()
	params.FilterType = Enum.RaycastFilterType.Exclude
	params.FilterDescendantsInstances = { player.Character or player.CharacterAdded:Wait() }

local part = workspace:WaitForChild("Platform")
local defCFrame = part.CFrame

runService:BindToRenderStep( "Test", 1, function()
	task.defer(function()
		local raycastOffset = CFrame.identity
		if ( lastPlatform ) then
			raycastOffset = lastPlatform.CFrame * lastPlatformCFrame:Inverse()
		end
		local hrp = player.Character.PrimaryPart
		if ( not hrp ) then return end
	
		local results = workspace:Raycast( hrp.Position + raycastOffset.Position, Vector3.new( 0, -50, 0 ), params )
		if ( results and results.Instance and results.Instance.Name == "Platform" ) then

			if ( lastPlatform ~= results.Instance ) then
				lastPlatformCFrame = results.Instance.CFrame
			end
			lastPlatform = results.Instance

			local offset = lastPlatform.CFrame * lastPlatformCFrame:Inverse()
			lastPlatformCFrame = lastPlatform.CFrame

			hrp.CFrame = offset * hrp.CFrame
			camera.CFrame = offset * camera.CFrame
		else
			lastPlatform = nil
		end
		
	end)
end)
#11

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