local plr = game.Players.LocalPlayer
local RunService = game:GetService("RunService")

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

local frame = Instance.new("Frame")
frame.Size = UDim2.new(0, 240, 0, 220)
frame.Position = UDim2.new(0, 100, 0, 100)
frame.BackgroundColor3 = Color3.fromRGB(18, 18, 18)
frame.BorderSizePixel = 0
frame.Active = true
frame.Draggable = true
frame.BackgroundTransparency = 0.05
frame.Parent = gui

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

local title = Instance.new("TextLabel", frame)
title.Size = UDim2.new(1, 0, 0, 30)
title.Position = UDim2.new(0, 0, 0, 0)
title.BackgroundTransparency = 1
title.Text = "⚡ Flash Reverso by dc.dis (TikTok)"
title.Font = Enum.Font.GothamBold
title.TextSize = 16
title.TextColor3 = Color3.fromRGB(255, 255, 85)
title.TextStrokeTransparency = 0.6

-- Flash state
local activeDirection = nil
local loop = false
local conn = nil

local currentTrail = nil
local a0, a1 = nil, nil

local function getHRP()
	local char = plr.Character or plr.CharacterAdded:Wait()
	return char:WaitForChild("HumanoidRootPart")
end

local function cleanupTrail()
	if conn then conn:Disconnect() end
	if currentTrail then currentTrail:Destroy() end
	if a0 then a0:Destroy() end
	if a1 then a1:Destroy() end
end

local function startFlashLoop(dir)
	loop = true
	cleanupTrail()

	local hrp = getHRP()

	currentTrail = Instance.new("Trail")
	currentTrail.Color = ColorSequence.new(Color3.new(1, 1, 0))
	currentTrail.Lifetime = 0.15
	currentTrail.LightEmission = 1
	currentTrail.Transparency = NumberSequence.new(0.3)
	currentTrail.MinLength = 0.1
	currentTrail.FaceCamera = true
	currentTrail.Enabled = true
	currentTrail.Parent = hrp

	a0 = Instance.new("Attachment", hrp)
	a1 = Instance.new("Attachment", hrp)
	a0.Position = Vector3.new(0, 1.2, 0)
	a1.Position = Vector3.new(0, -1.2, 0)
	currentTrail.Attachment0 = a0
	currentTrail.Attachment1 = a1

	local vec = Vector3.zero
	if dir == "North" then vec = hrp.CFrame.LookVector
	elseif dir == "South" then vec = -hrp.CFrame.LookVector
	elseif dir == "East" then vec = hrp.CFrame.RightVector
	elseif dir == "West" then vec = -hrp.CFrame.RightVector
	end

	local moveBack = false
	local step = 0

	conn = RunService.RenderStepped:Connect(function()
		if not loop or activeDirection ~= dir then
			cleanupTrail()
			return
		end

		local direction = moveBack and -vec or vec
		hrp.CFrame = hrp.CFrame + direction * 1.6

		step += 1
		if step >= 5 then
			moveBack = not moveBack
			step = 0
		end
	end)
end

-- Button Generator
local buttons = {}

local function makeButton(dir, pos)
	local btn = Instance.new("TextButton", frame)
	btn.Size = UDim2.new(0, 80, 0, 40)
	btn.Position = pos
	btn.Text = dir
	btn.Name = dir
	btn.Font = Enum.Font.GothamBlack
	btn.TextSize = 15
	btn.TextColor3 = Color3.fromRGB(255, 255, 255)
	btn.BackgroundColor3 = Color3.fromRGB(35, 35, 35)
	btn.AutoButtonColor = true
	Instance.new("UICorner", btn).CornerRadius = UDim.new(0, 8)
	buttons[dir] = btn

	btn.MouseButton1Click:Connect(function()
		if activeDirection == dir then
			activeDirection = nil
			loop = false
			btn.Text = dir
			btn.BackgroundColor3 = Color3.fromRGB(35, 35, 35)
			cleanupTrail()
		else
			for _, child in pairs(buttons) do
				child.Text = child.Name
				child.BackgroundColor3 = Color3.fromRGB(35, 35, 35)
			end

			activeDirection = dir
			btn.Text = dir .. " (ON)"
			btn.BackgroundColor3 = Color3.fromRGB(0, 170, 0)
			startFlashLoop(dir)
		end
	end)
end

-- Function to rebuild buttons
local function setupButtons()
	for _, b in pairs(buttons) do
		b:Destroy()
	end
	buttons = {}
	makeButton("North", UDim2.new(0, 80, 0, 40))
	makeButton("South", UDim2.new(0, 80, 0, 150))
	makeButton("East",  UDim2.new(0, 150, 0, 95))
	makeButton("West",  UDim2.new(0, 10, 0, 95))
end

-- Initial button creation
setupButtons()

-- Respawn handler
plr.CharacterAdded:Connect(function()
	wait(1)
	setupButtons()

	if activeDirection then
		startFlashLoop(activeDirection)
	end
end)