Shift lock

 UserInputService = :()
 RunService = :()
 Camera = .Workspace.CurrentCamera
 Players = :()
 LocalPlayer = Players.LocalPlayer
 PlayerMouse = LocalPlayer:()
 shiftLockEnabled = 
 lockOffset = .(, )
 cursorImage = 
 originalMouseIcon
 originalCameraOffset
 characterAddedConn, characterRemovingConn

  ()
    characterAddedConn 
       characterAddedConn:()
       characterAddedConn = 
   
    characterRemovingConn 
       characterRemovingConn:()
       characterRemovingConn = 
   


  ()
   shiftLockEnabled =  shiftLockEnabled
    shiftLockEnabled 
       UserInputService.MouseBehavior = .MouseBehavior.LockCenter
       originalMouseIcon = PlayerMouse.Icon
       PlayerMouse.Icon = cursorImage
   
       UserInputService.MouseBehavior = .MouseBehavior.Default
       PlayerMouse.Icon = originalMouseIcon
   


  ()
    shiftLockEnabled 
        humanoid = LocalPlayer.Character:()
        humanoid 
           humanoid.CameraOffset = .(, , ) 
       
   
        humanoid = LocalPlayer.Character:()
        humanoid 
           humanoid.CameraOffset = .(, , )
       
   


  ()
   ()


  ()
   ()
   characterRemovingConn = LocalPlayer.CharacterRemoving:(onCharacterRemoving)


  (input, isProcessed)
     isProcessed  input.KeyCode == .KeyCode.LeftShift  
       ()
   


  ()
   ()
    shiftLockEnabled 
        player = LocalPlayer
        player.Character  player.Character:() 
           player.Character.HumanoidRootPart.CFrame = .(player.Character.HumanoidRootPart.Position) * .(, .(-Camera.CFrame.lookVector.X, -Camera.CFrame.lookVector.Z), )
       

        centerScreen = .(PlayerMouse.X, PlayerMouse.Y)
        newMousePosition = centerScreen + lockOffset
        humanoid = player.Character:()
        humanoid  humanoid:(.Workspace) 
           humanoid.CameraOffset = .(, , )
       
   


  (input)
    shiftLockEnabled 
        input.UserInputType == .UserInputType.MouseMovement 
            centerScreen = .(PlayerMouse.X, PlayerMouse.Y)
            newMousePosition = centerScreen + lockOffset
       
   


characterAddedConn = LocalPlayer.CharacterAdded:(onCharacterAdded)
UserInputService.InputBegan:(onInputBegan)
RunService.Heartbeat:(updateCameraOffset)
RunService.RenderStepped:(onRenderStepped)
UserInputService.InputChanged:(onInputChanged)