-- Fly script
-- Z to toggle
-- E/Q to fly up/down
-- R/F to increase/decrease speed
-- Script by: JigglingCheeks

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

local localplayer = Players.LocalPlayer

local enabled = false
local speed = 2
local minSpeed = 1
local maxSpeed = 200

local dir = {w = 0, s = 0, a = 0, d = 0, up = 0, down = 0}

local character, hum, hrp
local connections = {}
local dead = false
local currentRunId = 0

local function disconnectAll()
	for _, c in ipairs(connections) do
		if c then
			c:Disconnect()
		end
	end
	table.clear(connections)
end

local function getCharacterParts()
	character = localplayer.Character
	if not character then return false end
	hum = character:FindFirstChildOfClass("Humanoid")
	hrp = character:FindFirstChild("HumanoidRootPart")
	return hum ~= nil and hrp ~= nil
end

local function stopFly()
	enabled = false
	if hrp then hrp.AssemblyLinearVelocity = Vector3.zero end
	if hum then hum.PlatformStand = false end
	if hrp then hrp.Anchored = false end
end

local function setFly(state)
	if dead then return end
	enabled = state and true or false
	if enabled then
		if not getCharacterParts() then
			enabled = false
			return
		end
		hrp.Anchored = true
		hum.PlatformStand = true
	else
		stopFly()
	end
end

local function bindCharacter(char)
	currentRunId += 1
	local runId = currentRunId

	disconnectAll()
	stopFly()

	character = char
	hum = char:WaitForChild("Humanoid")
	hrp = char:WaitForChild("HumanoidRootPart")
	dead = false

	table.insert(connections, hum.Died:Connect(function()
		dead = true
		stopFly()
		disconnectAll()
	end))

	table.insert(connections, UserInputService.InputBegan:Connect(function(input, gameProcessed)
		if gameProcessed or dead then return end

		local key = input.KeyCode
		if key == Enum.KeyCode.W then
			dir.w = 1
		elseif key == Enum.KeyCode.S then
			dir.s = 1
		elseif key == Enum.KeyCode.A then
			dir.a = 1
		elseif key == Enum.KeyCode.D then
			dir.d = 1
		elseif key == Enum.KeyCode.E then
			dir.up = 1
		elseif key == Enum.KeyCode.Q then
			dir.down = 1
		elseif key == Enum.KeyCode.R then
			speed = math.clamp(speed + 1, minSpeed, maxSpeed)
		elseif key == Enum.KeyCode.F then
			speed = minSpeed
		elseif key == Enum.KeyCode.Z then
			setFly(not enabled)
		end
	end))

	table.insert(connections, UserInputService.InputEnded:Connect(function(input, gameProcessed)
		if gameProcessed or dead then return end

		local key = input.KeyCode
		if key == Enum.KeyCode.W then
			dir.w = 0
		elseif key == Enum.KeyCode.S then
			dir.s = 0
		elseif key == Enum.KeyCode.A then
			dir.a = 0
		elseif key == Enum.KeyCode.D then
			dir.d = 0
		elseif key == Enum.KeyCode.E then
			dir.up = 0
		elseif key == Enum.KeyCode.Q then
			dir.down = 0
		end
	end))

	table.insert(connections, RunService.RenderStepped:Connect(function()
		if runId ~= currentRunId then return end
		if dead or not enabled then return end
		if not character or not character.Parent or not hum or not hrp or not hrp.Parent or hum.Health <= 0 then
			setFly(false)
			return
		end

		local cam = workspace.CurrentCamera
		if not cam then return end

		local moveVec = (cam.CFrame.LookVector * (dir.w - dir.s))
			+ (cam.CFrame.RightVector * (dir.d - dir.a))
			+ (Vector3.new(0, 1, 0) * (dir.up - dir.down))

		if moveVec.Magnitude > 0 then
			moveVec = moveVec.Unit
		end

		local nextPos = hrp.Position + (moveVec * speed)
		hrp.CFrame = CFrame.new(nextPos, nextPos + cam.CFrame.LookVector)

		if hrp.AssemblyLinearVelocity.Magnitude > 0 then
			hrp.AssemblyLinearVelocity = Vector3.zero
		end
	end))
end

if localplayer.Character then
	bindCharacter(localplayer.Character)
end

localplayer.CharacterAdded:Connect(function(char)
	bindCharacter(char)
end)