local player = game.Players.LocalPlayer
local char = player.Character or player.CharacterAdded:Wait()
local humanoidRootPart = char:WaitForChild("HumanoidRootPart")

local flying = false
local speed = 50

local bodyVelocity
local bodyGyro

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

local direction = Vector3.new()

-- Toggle fly with F
UserInputService.InputBegan:Connect(function(input, gameProcessed)
	if gameProcessed then return end
	
	if input.KeyCode == Enum.KeyCode.F then
		flying = not flying
		
		if flying then
			bodyVelocity = Instance.new("BodyVelocity")
			bodyVelocity.MaxForce = Vector3.new(1e5, 1e5, 1e5)
			bodyVelocity.Velocity = Vector3.new()
			bodyVelocity.Parent = humanoidRootPart
			
			bodyGyro = Instance.new("BodyGyro")
			bodyGyro.MaxTorque = Vector3.new(1e5, 1e5, 1e5)
			bodyGyro.CFrame = humanoidRootPart.CFrame
			bodyGyro.Parent = humanoidRootPart
		else
			if bodyVelocity then bodyVelocity:Destroy() end
			if bodyGyro then bodyGyro:Destroy() end
		end
	end
end)

-- Movement controls
UserInputService.InputBegan:Connect(function(input)
	if input.KeyCode == Enum.KeyCode.W then direction = direction + Vector3.new(0, 0, -1) end
	if input.KeyCode == Enum.KeyCode.S then direction = direction + Vector3.new(0, 0, 1) end
	if input.KeyCode == Enum.KeyCode.A then direction = direction + Vector3.new(-1, 0, 0) end
	if input.KeyCode == Enum.KeyCode.D then direction = direction + Vector3.new(1, 0, 0) end
	if input.KeyCode == Enum.KeyCode.Space then direction = direction + Vector3.new(0, 1, 0) end
	if input.KeyCode == Enum.KeyCode.LeftControl then direction = direction + Vector3.new(0, -1, 0) end
end)

UserInputService.InputEnded:Connect(function(input)
	if input.KeyCode == Enum.KeyCode.W then direction = direction - Vector3.new(0, 0, -1) end
	if input.KeyCode == Enum.KeyCode.S then direction = direction - Vector3.new(0, 0, 1) end
	if input.KeyCode == Enum.KeyCode.A then direction = direction - Vector3.new(-1, 0, 0) end
	if input.KeyCode == Enum.KeyCode.D then direction = direction - Vector3.new(1, 0, 0) end
	if input.KeyCode == Enum.KeyCode.Space then direction = direction - Vector3.new(0, 1, 0) end
	if input.KeyCode == Enum.KeyCode.LeftControl then direction = direction - Vector3.new(0, -1, 0) end
end)

RunService.RenderStepped:Connect(function()
	if flying and bodyVelocity and bodyGyro then
		local camera = workspace.CurrentCamera
		local moveDir = camera.CFrame:VectorToWorldSpace(direction)
		
		bodyVelocity.Velocity = moveDir * speed
		bodyGyro.CFrame = camera.CFrame
	end
end)