-- Configuration
local FlyToggle = false -- Leave false by default
local FlyKey = "f" -- Change this to toggle your fly with the according key
local Speed = 50 -- The flight speed
local UseCFrame = false -- Determines if moving while flying will be CFrame or Velocity based



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

-- Variables
local TURNOFFSCRIPT = false -- I don't love wrapping if conditions to everything :(
local Player = Players.LocalPlayer
local PlayerGui = Player:WaitForChild("PlayerGui")
local ScreenGui = Instance.new("ScreenGui", PlayerGui)
ScreenGui.Name = "JaysFlyGui123"
local Char = Player.Character or Player.CharacterAdded:Wait()
local Humanoid = Char:WaitForChild("Humanoid")
local Root = Char:WaitForChild("HumanoidRootPart")
local Camera = workspace.CurrentCamera
local MobileMoveVec = Vector3.zero
local FlyAnimR6 = 130025294780390
local FlyAnimR15 = 121812367375506
local FlyAnimation = nil
local FlyTrack = nil
-- Movement keys (For flyin)
local MKeys = {
	w = false,
	a = false,
	s = false,
	d = false,
	q = false,
	e = false,
	space = false,
}

-- Initialize BV and BAV
local BV = Instance.new("BodyVelocity", Root)
BV.Velocity = Vector3.zero
BV.MaxForce = Vector3.zero
BV.P = 1250

local BAV = Instance.new("BodyAngularVelocity", Root)
BAV.AngularVelocity = Vector3.zero
BAV.MaxTorque = Vector3.zero
BAV.P = 1250

-- Player initializer
local function PlayerInit()
	-- Character stuff
	Char = Player.Character or Player.CharacterAdded:Wait()
	Humanoid = Char:WaitForChild("Humanoid")
	Root = Char:WaitForChild("HumanoidRootPart")
	
	-- Gui
	ScreenGui = Instance.new("ScreenGui", PlayerGui)
	ScreenGui.Name = "JaysFlyGui123"
	
	-- Initialize BV and BAV
	BV = Instance.new("BodyVelocity", Root)
	BV.Velocity = Vector3.zero
	BV.MaxForce = Vector3.zero
	BV.P = 1250

	BAV = Instance.new("BodyAngularVelocity", Root)
	BAV.AngularVelocity = Vector3.zero
	BAV.MaxTorque = Vector3.zero
	BAV.P = 1250
end

-- Call player initializer
Player.CharacterAdded:Connect(PlayerInit)



-- Seperator


-- Da main-lane vwro B)

-- Change fly speed prompt (Gui stuff)
local function ChangeSpeedPrompt(erm)
	local TextBox = Instance.new("TextBox", ScreenGui)
	TextBox.PlaceholderText = "Enter Speed"
	TextBox.Text = ""
	TextBox.Position = UDim2.new(0.5, 0, 0.5, 0)
	TextBox.Size = UDim2.new(0.5, 0, 0.5, 0)
	TextBox.AnchorPoint = Vector2.new(0.5, 0.5)
	TextBox.TextScaled = true
	TextBox:CaptureFocus()
	
	TextBox.FocusLost:Connect(function()
		if not erm then
			if tonumber(TextBox.Text) then
				Speed = tonumber(TextBox.Text)
				print("Change speed successful! Speed: " .. TextBox.Text)
			else
				print("Change speed unsuccessful. :( BUT...")

				local text = tostring(TextBox.Text):lower()

				if text == "key" then
					print("Changing key...")
					task.delay(0.1, function()ChangeSpeedPrompt(true)end)
				elseif text == "cf" then
					UseCFrame = not UseCFrame
					print("Using CFrame! State:", UseCFrame)
				else
					print("Nothing will happen :(")
				end
			end
		else
			print("Key changed! Key: " .. TextBox.Text:lower())
			FlyKey = TextBox.Text:lower()
		end
		
		TextBox:Destroy()
	end)
end

-- Play fly animation
local function PlayFlyAnimation()
	if FlyTrack then FlyTrack:Stop() end

	if Humanoid.RigType == Enum.HumanoidRigType.R6 then
		FlyAnimation = Instance.new("Animation")
		FlyAnimation.AnimationId = "rbxassetid://" .. FlyAnimR6
	else
		FlyAnimation = Instance.new("Animation")
		FlyAnimation.AnimationId = "rbxassetid://" .. FlyAnimR15
	end

	FlyTrack = Humanoid:LoadAnimation(FlyAnimation)
	FlyTrack.Priority = Enum.AnimationPriority.Action4
	FlyTrack:Play()
	FlyTrack.Looped = true
end

-- Stop fly animation
local function StopFlyAnimation()
	if FlyTrack then
		FlyTrack:Stop()
		FlyTrack = nil
	end
end



-- Fly Init
local function FlyInit()
	FlyToggle = true
	-- Set up B- "V", "AV"
	BV.MaxForce = Vector3.one * math.huge
	BAV.MaxTorque = Vector3.one * math.huge
	
	-- Other stuff. Idk
	Humanoid.PlatformStand = true
	PlayFlyAnimation()
end

-- Init fly if fly toggle already on
if FlyToggle then
	FlyInit()
end

-- UnflyUninit
local function UnFlyUninit()
	FlyToggle = false
	-- Unset up B- "V", "AV"
	BV.MaxForce = Vector3.zero
	BAV.MaxTorque = Vector3.zero
	
	task.delay(0, function()Humanoid.PlatformStand = false end)
	StopFlyAnimation()
end

-- Handle when playuh dies
Humanoid.Died:Connect(function()
	UnFlyUninit()
end)



-- Input handler
UserInputService.InputBegan:Connect(function(Input, Gp)
	if Gp or TURNOFFSCRIPT then return end
	Input = Input.KeyCode.Name:lower()
	
	-- Toggle fly
	if Input == FlyKey then
		FlyToggle = not FlyToggle
		
		if FlyToggle then
			FlyInit()
		else
			UnFlyUninit()
		end
	end
	
	-- Update movement keys
	if MKeys[Input] ~= nil then
		MKeys[Input] = true
	end
	
	-- Shut down everything
	if Input == "p" then
		TURNOFFSCRIPT = true
		UnFlyUninit()
	end
	
	-- Prompt speed change
	if Input == "l" then
		ChangeSpeedPrompt()
	end
end)

UserInputService.InputEnded:Connect(function(Input, Gp)
	if Gp or TURNOFFSCRIPT then return end
	Input = Input.KeyCode.Name:lower()

	-- Update movement keys
	if MKeys[Input] ~= nil then
		MKeys[Input] = false
	end
end)

-- The FLY handler (Run service :)
RunService.RenderStepped:Connect(function(dt)
	if not FlyToggle or TURNOFFSCRIPT then return end
	
	-- Get camera stuff
	local CamCF = Camera.CFrame
	local F = CamCF.LookVector
	local R = CamCF.RightVector
	local U = Vector3.new(0, 1, 0)
	
	-- Get move direction (PC)
	local MoveDir = Vector3.zero
	
	if MKeys.w then MoveDir += F end
	if MKeys.a then MoveDir -= R end
	if MKeys.s then MoveDir -= F end
	if MKeys.d then MoveDir += R end
	if MKeys.q then MoveDir -= U end
	if MKeys.e or MKeys.space then MoveDir += U end
	
	-- Get move direction (Mobile)
	if MobileMoveVec.Magnitude > 0 then
		MoveDir += (F * MobileMoveVec.Y) + (R * MobileMoveVec.X)
	end
	
	-- Update movement
	if MoveDir.Magnitude > 0 then
		MoveDir = MoveDir.Unit * Speed
		
		if UseCFrame then
			local NewPos = Root.Position + MoveDir * dt
			Root.CFrame = CFrame.new(NewPos) * (Root.CFrame - Root.Position)
		else
			BV.Velocity = MoveDir
		end
	else
		BV.Velocity = Vector3.zero
	end
	
	-- Update rotation:
	Root.CFrame = CFrame.new(Root.Position, Root.Position + F)
end)