Prevent Tab Glitching

Help and Feedback Scripting Support
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#1

How could I prevent tab-glitching.
Preferably from the server, but I don’t mind the client.

2 Likes
#2

May I ask what “tab-glitching” is?

#3

Tab Glitching is when desktop (Windows) users repeatedly tap / right-click the close button / minimise button to make their avatar move slower. This is mainly to fall down slower or phase through moving objects.

I’m pretty sure this is a bug on Roblox’s end and so I don’t think can be fixed. Correct me if I’m wrong because I probably am.

#4

Yes, you can:

  • In a LocalScript, detect if their framerate drops and rises very inconsistently.

  • In a ServerScript, detect if the player has a ping over 1 second or their HumanoidRootPart has not moved at all when their velocity is not zero.

1 Like
#5

You clearly know better about this stuff than I do. :sweat_smile:

How would you detect the framerate though?

#6 
local frameTime = 1/dt

That would give the framerate, assuming delta time is each time between frame.

3 Likes
#7

I’m a bit confused with the server method you mentioned.

#8

You would basically check if the player’s position hasn’t changed but their velocity isn’t at zero. In other words, they should be physically moving, but they aren’t. If a script detects this, it can kick the player.

#9

Hmm, Yes.
But this could maybe false flag?

#10

Maybe, but that’s only if they have very high ping and are on a very slow device. The times it would false flag are people running on a 2004 computer.

3 Likes
#11 
local Players = game:GetService("Players")

Players.PlayerAdded:Connect(function(Player: Player)
	Player.CharacterAdded:Connect(function(Character)
		local HumanoidRootPart = Character:WaitForChild("HumanoidRootPart")
		
		task.spawn(function()
			while task.wait() do
				local Position = HumanoidRootPart.Position
				local Velocity = HumanoidRootPart.Velocity

				task.wait(.5)

				local NewPosition = HumanoidRootPart.Position
				local NewVelocity = HumanoidRootPart.Velocity
				
				print(Position)
				print(Velocity)
				
				print(NewPosition)
				print(NewVelocity)

				if Position == NewPosition and NewVelocity ~= Vector3.new(0,0,0) then
					Player:Kick()
				end
			end
		end)
	end)
end)

Help me out here.

1 Like
#12

Seems about right, but it could probably be more optimized if you removed the task.wait() and replace it with true. You also don’t need the task.spawn

3 Likes
#13

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