the most simple fly menu ever open source

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

local player = Players.LocalPlayer
local character = player.Character or player.CharacterAdded:Wait()
local humanoid = character:WaitForChild("Humanoid")
local rootPart = character:WaitForChild("HumanoidRootPart")

-- Fly variables
local flying = false
local flySpeed = 50
local flyDirection = Vector3.new(0,0,0)
local bodyVelocity

-- Create ScreenGui
local screenGui = Instance.new("ScreenGui")
screenGui.Name = "FlyMenu"
screenGui.Parent = player:WaitForChild("PlayerGui")

-- Create main frame
local mainFrame = Instance.new("Frame")
mainFrame.Size = UDim2.new(0, 200, 0, 150)
mainFrame.Position = UDim2.new(0, 20, 0, 20)
mainFrame.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
mainFrame.BorderSizePixel = 0
mainFrame.Parent = screenGui
mainFrame.Active = true
mainFrame.Draggable = true

-- Title
local title = Instance.new("TextLabel")
title.Size = UDim2.new(1, 0, 0, 30)
title.BackgroundColor3 = Color3.fromRGB(45, 45, 45)
title.BorderSizePixel = 0
title.Text = "Fly Menu"
title.TextColor3 = Color3.new(1,1,1)
title.Font = Enum.Font.SourceSansBold
title.TextSize = 20
title.Parent = mainFrame