fly script roblox

--====================================
-- SIMPLE ADMIN FLY WITH SPEED GUI
--====================================

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

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

-- SETTINGS
local flying = false
local flySpeed = 50
local SPEED_STEP = 25 -- for ' and /
local GUI_SCALE_SPEED = 500 -- bar visual scale only

-- BODY MOVERS
local bv, bg

--====================================
-- FLY FUNCTIONS
--====================================

local function startFly()
	flying = true

	bv = Instance.new("BodyVelocity")
	bv.MaxForce = Vector3.new(1e9, 1e9, 1e9)
	bv.Velocity = Vector3.zero
	bv.Parent = root

	bg = Instance.new("BodyGyro")
	bg.MaxTorque = Vector3.new(1e9, 1e9, 1e9)
	bg.P = 9000
	bg.Parent = root

	humanoid.PlatformStand = true
end

local function stopFly()
	flying = false

	if bv then bv:Destroy() end
	if bg then bg:Destroy() end

	humanoid.PlatformStand = false
end

--====================================
-- FLY MOVEMENT LOOP
--====================================

RunService.RenderStepped:Connect(function()
	if not flying then return end

	local cam = workspace.CurrentCamera
	local move = Vector3.zero

	if UIS:IsKeyDown(Enum.KeyCode.W) then move += cam.CFrame.LookVector end
	if UIS:IsKeyDown(Enum.KeyCode.S) then move -= cam.CFrame.LookVector end
	if UIS:IsKeyDown(Enum.KeyCode.A) then move -= cam.CFrame.RightVector end
	if UIS:IsKeyDown(Enum.KeyCode.D) then move += cam.CFrame.RightVector end
	if UIS:IsKeyDown(Enum.KeyCode.Space) then move += Vector3.yAxis end
	if UIS:IsKeyDown(Enum.KeyCode.LeftShift) then move -= Vector3.yAxis end

	if move.Magnitude > 0 then
		move = move.Unit * flySpeed
	end

	bv.Velocity = bv.Velocity:Lerp(move, 0.2)
	bg.CFrame = CFrame.new(root.Position, root.Position + cam.CFrame.LookVector)
end)

--====================================
-- INPUT
--====================================

UIS.InputBegan:Connect(function(input, gpe)
	if gpe then return end

	if input.KeyCode == Enum.KeyCode.F then
		if flying then
			stopFly()
		else
			startFly()
		end
	elseif input.KeyCode == Enum.KeyCode.Quote then
		flySpeed += SPEED_STEP
		updateGui()
	elseif input.KeyCode == Enum.KeyCode.Slash then
		flySpeed = math.max(1, flySpeed - SPEED_STEP)
		updateGui()
	end
end)

--====================================
-- SPEED GUI
--====================================

local gui = Instance.new("ScreenGui")
gui.Name = "FlySpeedGui"
gui.ResetOnSpawn = false
gui.Parent = player:WaitForChild("PlayerGui")

local frame = Instance.new("Frame", gui)
frame.Size = UDim2.new(0, 60, 0, 300)
frame.Position = UDim2.new(1, -80, 0.5, -150)
frame.BackgroundColor3 = Color3.fromRGB(25,25,25)
frame.BorderSizePixel = 0

Instance.new("UICorner", frame).CornerRadius = UDim.new(0, 12)

local barBg = Instance.new("Frame", frame)
barBg.Size = UDim2.new(0, 20, 1, -50)
barBg.Position = UDim2.new(0.5, -10, 0, 10)
barBg.BackgroundColor3 = Color3.fromRGB(50,50,50)
barBg.BorderSizePixel = 0
Instance.new("UICorner", barBg).CornerRadius = UDim.new(1,0)

local bar = Instance.new("Frame", barBg)
bar.AnchorPoint = Vector2.new(0,1)
bar.Position = UDim2.new(0,0,1,0)
bar.Size = UDim2.new(1,0,0.2,0)
bar.BackgroundColor3 = Color3.fromRGB(0,170,255)
bar.BorderSizePixel = 0
Instance.new("UICorner", bar).CornerRadius = UDim.new(1,0)

local speedBox = Instance.new("TextBox", frame)
speedBox.Size = UDim2.new(1,-10,0,30)
speedBox.Position = UDim2.new(0,5,1,-35)
speedBox.BackgroundColor3 = Color3.fromRGB(35,35,35)
speedBox.TextColor3 = Color3.fromRGB(0,170,255)
speedBox.TextScaled = true
speedBox.ClearTextOnFocus = false
speedBox.BorderSizePixel = 0
speedBox.Text = tostring(flySpeed)
Instance.new("UICorner", speedBox).CornerRadius = UDim.new(0,8)

--====================================
-- GUI LOGIC
--====================================

function updateGui()
	local percent = math.clamp(flySpeed / GUI_SCALE_SPEED, 0, 1)
	bar.Size = UDim2.new(1,0,percent,0)
	speedBox.Text = tostring(math.floor(flySpeed))
end

updateGui()

local dragging = false

barBg.InputBegan:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseButton1 then
		dragging = true
	end
end)

UIS.InputEnded:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseButton1 then
		dragging = false
	end
end)

UIS.InputChanged:Connect(function(input)
	if dragging and input.UserInputType == Enum.UserInputType.MouseMovement then
		local y = input.Position.Y
		local top = barBg.AbsolutePosition.Y
		local height = barBg.AbsoluteSize.Y
		local percent = math.clamp(1 - ((y - top) / height), 0, 1)

		flySpeed = math.max(1, percent * GUI_SCALE_SPEED)
		updateGui()
	end
end)

speedBox.FocusLost:Connect(function()
	local num = tonumber(speedBox.Text)
	if num and num > 0 then
		flySpeed = num
	end
	updateGui()
end)

--====================================
-- CHARACTER RESPAWN FIX
--====================================

player.CharacterAdded:Connect(function(char)
	character = char
	humanoid = char:WaitForChild("Humanoid")
	root = char:WaitForChild("HumanoidRootPart")
	stopFly()
end)