local Players = game:GetService("Players")
local player = Players.LocalPlayer

-- Humanoid handling
local function getHumanoid()
	local character = player.Character or player.CharacterAdded:Wait()
	return character:WaitForChild("Humanoid")
end

local humanoid = getHumanoid()
player.CharacterAdded:Connect(function()
	humanoid = getHumanoid()
	humanoid.WalkSpeed = speed
end)

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

local frame = Instance.new("Frame")
frame.Size = UDim2.fromScale(0.25, 0.25)
frame.Position = UDim2.fromScale(0.375, 0.35)
frame.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
frame.Parent = gui
Instance.new("UICorner", frame)

-- Draggable
local dragging, dragInput, dragStart, startPos
local UserInputService = game:GetService("UserInputService")

local function update(input)
	local delta = input.Position - dragStart
	frame.Position = UDim2.new(
		startPos.X.Scale,
		startPos.X.Offset + delta.X,
		startPos.Y.Scale,
		startPos.Y.Offset + delta.Y
	)
end

frame.InputBegan:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseButton1 then
		dragging = true
		dragStart = input.Position
		startPos = frame.Position
		input.Changed:Connect(function()
			if input.UserInputState == Enum.UserInputState.End then
				dragging = false
			end
		end)
	end
end)

frame.InputChanged:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseMovement then
		dragInput = input
	end
end)

UserInputService.InputChanged:Connect(function(input)
	if input == dragInput and dragging then
		update(input)
	end
end)

-- GUI Elements
local title = Instance.new("TextLabel")
title.Size = UDim2.fromScale(1, 0.2)
title.BackgroundTransparency = 1
title.Text = "WalkSpeed"
title.TextColor3 = Color3.new(1,1,1)
title.TextScaled = true
title.Parent = frame

local speedLabel = Instance.new("TextLabel")
speedLabel.Size = UDim2.fromScale(1, 0.2)
speedLabel.Position = UDim2.fromScale(0, 0.2)
speedLabel.BackgroundTransparency = 1
speedLabel.TextColor3 = Color3.new(1,1,1)
speedLabel.TextScaled = true
speedLabel.Parent = frame

local toggleButton = Instance.new("TextButton")
toggleButton.Size = UDim2.fromScale(0.9, 0.2)
toggleButton.Position = UDim2.fromScale(0.05, 0.45)
toggleButton.Text = "Toggle WalkSpeed"
toggleButton.TextScaled = true
toggleButton.Parent = frame

local plus = Instance.new("TextButton")
plus.Size = UDim2.fromScale(0.45, 0.15)
plus.Position = UDim2.fromScale(0.025, 0.7)
plus.Text = "+"
plus.TextScaled = true
plus.Parent = frame

local minus = Instance.new("TextButton")
minus.Size = UDim2.fromScale(0.45, 0.15)
minus.Position = UDim2.fromScale(0.525, 0.7)
minus.Text = "-"
minus.TextScaled = true
minus.Parent = frame

-- Speed logic
local speed = 16
local minSpeed = 8
local maxSpeed = 200
local step = 10
local active = false -- toggle state

local function updateSpeed()
	humanoid.WalkSpeed = speed
	speedLabel.Text = tostring(speed)
end

-- Toggle button
toggleButton.MouseButton1Click:Connect(function()
	active = not active
	if active then
		toggleButton.BackgroundColor3 = Color3.fromRGB(0, 200, 0)
	else
		toggleButton.BackgroundColor3 = Color3.fromRGB(200, 0, 0)
	end
end)

-- plus/minus buttons
plus.MouseButton1Click:Connect(function()
	speed = math.min(maxSpeed, speed + step)
	updateSpeed()
end)

minus.MouseButton1Click:Connect(function()
	speed = math.max(minSpeed, speed - step)
	updateSpeed()
end)

-- continuously apply WalkSpeed when toggled on
game:GetService("RunService").RenderStepped:Connect(function()
	if active then
		humanoid.WalkSpeed = speed
	end
end)

updateSpeed()
toggleButton.BackgroundColor3 = Color3.fromRGB(200,0,0) -- starts off