Fly universal script gui

-- Fly GUI Script
local Players = game:GetService("Players")
local LocalPlayer = Players.LocalPlayer
local PlayerGui = LocalPlayer:WaitForChild("PlayerGui")

-- Create ScreenGui
local screenGui = Instance.new("ScreenGui")
screenGui.Parent = PlayerGui

-- Create Button
local flyButton = Instance.new("TextButton")
flyButton.Size = UDim2.new(0, 200, 0, 50)
flyButton.Position = UDim2.new(0.5, -100, 0.8, 0)
flyButton.Text = "Fly!"
flyButton.BackgroundColor3 = Color3.fromRGB(0, 170, 255)
flyButton.TextScaled = true
flyButton.Parent = screenGui

-- Fly function
 flying = 
 character = LocalPlayer.Character  LocalPlayer.CharacterAdded:()
 humanoidRootPart = character:()

flyButton.MouseButton1Click:(()
    flying =  flying
     flying 
        flyButton.Text = 
        
         flying 
            humanoidRootPart.Velocity = .(, , ) 
            ()
        
    
        flyButton.Text = 
        humanoidRootPart.Velocity = .(, , ) 
    
)