Shiftlock for PC

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

local Player = Players.LocalPlayer
local Camera = workspace.CurrentCamera

local ScreenGui = .()
ScreenGui.Name = 
ScreenGui.ResetOnSpawn = 

 (() ScreenGui.Parent = :() ) 

    ScreenGui.Parent = Player:()


 Crosshair = .()
Crosshair.Name = 
Crosshair.Parent = ScreenGui
Crosshair.BackgroundTransparency = 
Crosshair.Position = .(, , , )
Crosshair.AnchorPoint = .(, )
Crosshair.Size = .(, , , )
Crosshair.Image =  
Crosshair.Visible = 

 shiftLockEnabled = 

UserInputService.InputBegan:((input, gameProcessed)
      gameProcessed  input.KeyCode == .KeyCode.LeftShift 
        shiftLockEnabled =  shiftLockEnabled
        
         shiftLockEnabled 
            Crosshair.Visible = 
            UserInputService.MouseIconEnabled = 
            UserInputService.MouseBehavior = .MouseBehavior.LockCenter
        
            Crosshair.Visible = 
            UserInputService.MouseIconEnabled = 
            UserInputService.MouseBehavior = .MouseBehavior.Default
        
    
)

RunService.RenderStepped:(()
     shiftLockEnabled 
        UserInputService.MouseBehavior = .MouseBehavior.LockCenter
        UserInputService.MouseIconEnabled = 

         Player.Character  Player.Character:() 
             rootPart = Player.Character.HumanoidRootPart
             lookVector = Camera.CFrame.LookVector
            
            rootPart.CFrame = .(
                rootPart.Position, 
                rootPart.Position + .(lookVector.X, , lookVector.Z)
            )
        
    
)