Spectate GUI script

local Players = game:GetService("Players")
local plr = Players.LocalPlayer
local camera = workspace.CurrentCamera
local index = 1

function setIndex(change)
    local list = Players:GetPlayers()
    if((index+change) < 1) then
        index = #list
    elseif((index+change) > #list) then
        index = 1
    else
        index = index+change
    end

    local target = list[index]
    local char = target.Character or target.CharacterAdded:Wait()
    local hum = char:WaitForChild("Humanoid")
    camera.CameraSubject = char
    script.Parent.PlayerName.Text = target.Name
end

script.Parent.Parent.Spectate.InputBegan:Connect(function(input)
    if(input.UserInputType == Enum.UserInputType.MouseButton1) then
        local char = plr.Character or plr.CharacterAdded:Wait()
        local hum = char:WaitForChild("Humanoid")
        if(script.Parent.Position ~= UDim2.new(0.338, 0,0.792,0)) then
            script.Parent:TweenPosition(UDim2.new(0.338, 0,0.792,0))
            script.Parent.PlayerName.Text = plr.Name
            hum.WalkSpeed = 0 --Disable player movement
        else
            script.Parent:TweenPosition(UDim2.new(0.338, 0, 1.2, 0))
            camera.CameraSubject = hum
            hum.WalkSpeed = 16
        end
    end
end)

script.Parent.Forward.InputBegan:Connect(function(input)
    if(input.UserInputType == Enum.UserInputType.MouseButton1) then
        setIndex(1)
    end
end)

script.Parent.Backward.InputBegan:Connect(function(input)
    if(input.UserInputType == Enum.UserInputType.MouseButton1) then
        setIndex(-1)
    end
end)
--I am honestly not sure whether to use InputBegan or Activated, I just used InputBegan for now.