ROBLOX Scripting | Mobile Shift Lock

-- Made by Tweakified, Neonblox Games
-- Video: https://www.youtube.com/watch?v=4GcgE8Qj7QE

local UserInputService = game:GetService("UserInputService")
local RunService = game:GetService("RunService")

local player = game.Players.LocalPlayer
local PlayerGui = player:WaitForChild("PlayerGui")

local ScreenGui = script.Parent
local MainFrame = ScreenGui:FindFirstChild("Frame")
local ControllerButton = MainFrame:FindFirstChild("Controller"):FindFirstChild("ImageButton")
local MiddleIconFrame = MainFrame:FindFirstChild("MiddleIcon")

local Active = false

if UserInputService.TouchEnabled == true then
    MainFrame.Visible = true

    ControllerButton.MouseButton1Click:Connect(function()
        Active = not Active
        MiddleIconFrame.Visible = Active
    end)

    local function MobileShiftLock()
        if Active == true then
            local char = player.Character
            if char ~= nil then
                local Head = char:FindFirstChild("Head")
                local HumanoidRootPart = char:FindFirstChild("HumanoidRootPart")
                local Humanoid = char:FindFirstChild("Humanoid")

                local Camera = workspace.CurrentCamera
                if HumanoidRootPart ~= nil and Humanoid.Sit == false then
                    local LookVector = Camera.CFrame.LookVector
                    HumanoidRootPart.CFrame = CFrame.new(HumanoidRootPart.Position) * CFrame.Angles(0, math.atan2(-LookVector.X, -LookVector.Z), 0)
                end
                if Head ~= nil then
                    local InFirstPerson = (Camera.Focus.p - Camera.CoordinateFrame.p).magnitude
                    InFirstPerson = (InFirstPerson<2) and (1.0-(InFirstPerson-0.5)/1.5) or 0
                    if InFirstPerson < 0.5 then
                        Camera.CFrame = Camera.CFrame * CFrame.new(1.75, 0, 0)
                    end
                end
            end
        end
    end
    RunService:BindToRenderStep("MobileShiftLock", 201, MobileShiftLock)
end