ok

cam = game.Workspace.CurrentCamera

local bar = script.Parent.Bar
local title = bar.Title
local prev = bar.Previous
local nex = bar.Next
local button = script.Parent.Button

function get()
	for _,v in pairs(game.Players:GetPlayers()) do
		if v.Name == title.Text then
			return(_)
		end
	end
end

local debounce = false
button.MouseButton1Click:connect(function()
	if debounce == false then debounce = true
		button.Text = "Close Spectate"
		bar:TweenPosition(UDim2.new(0.5,-100,0.88,-50),"In","Linear",1,true)
		pcall(function()
			title.Text = game.Players:GetPlayerFromCharacter(cam.CameraSubject.Parent).Name
		end)
	elseif debounce == true then debounce = false
		button.Text = "Open Spectate"
		pcall(function() cam.CameraSubject = game.Players.LocalPlayer.Character.Humanoid end)
		bar:TweenPosition(UDim2.new(-1,-100,0.88,-50),"In","Linear",1,true)
	end
end)

prev.MouseButton1Click:connect(function()
	wait(0.1)
	local players = game.Player:GetPlayers()
	local num = get()
	if not pcall(function()
		cam.CameraSubject = players[num-1].Character.Humanoid
	end) then
	cam.CameraSubject = players[#players].Character.Humanoid
	end
	pcall(function()
		title.Text = game.Players:GetPlayerFromCharacter(cam.CameraSubject.Parent).Name
	end)
end)

nex.MouseButton1Click:connect(function()
	wait(0.1)
	local players = game.Players:GetPlayers()
	local num = get()
	if not pcall(function()
		cam.CameraSubject = players[num+1].Character.Humanoid
	end) then
	cam.CameraSubject = players[1].Character.Humanoid
	end
	pcall(function()
		title.Text = game.Players:GetPlayerFromCharacter(cam.CameraSubject.Parent).Name
	end)
end)