--// Wally West Ultimate Speedster Script (Updated & Automated)
--// Absolutely NO Roblox Official Smooth Speed / No Shift-Lock Forcing

_G.NightMode = false  -- Set to true for night mode, false for day mode
_G.TODC = false       -- TimeOfDayChange: Set to false to not change the timeofday
AllowedPlayers = {
    ["Player1Username"] = "RF", 
    ["Player2Username"] = "Zoom", 
    ["Player3Username"] = "Regular" 
}

local Players = game:GetService("Players")
local Lighting = game:GetService("Lighting")
local UIS = game:GetService("UserInputService")
local RunService = game:GetService("RunService")
local TweenService = game:GetService("TweenService")

local player = Players.LocalPlayer
local camera = workspace.CurrentCamera

--// Configuration States
local currentSpeed = 16 
local maxSpeed = 499
local accelRate = 450 -- Adjust this to change how fast you accelerate from 16 to 499
local isMaxSpeedTracked = false
local isMoving = false
local auraEmitters, allTrails = {}, {}
local speedLineSounds = {}

--// Sound Initialization Helper
local function createSound(id, volume, looped)
	local sound = Instance.new("Sound")
	sound.SoundId = "rbxassetid://" .. tostring(id)
	sound.Volume = volume
	sound.Looped = looped
	sound.Parent = workspace
	return sound
end

--// Load Sounds (Original Audio Kept Intact)
local soundIdleLightning = createSound(120549006123546, 6, true)
local soundImpact1 = createSound(115333984709778, 10, false)
local soundImpact2 = createSound(102886893958510, 10, false)
local soundImpact3 = createSound(138106864622900, 10, false)
local soundImpact4 = createSound(168586586, 10, false)

-- Layered Speedline running sounds
table.insert(speedLineSounds, createSound(82055526234026, 7, true))
table.insert(speedLineSounds, createSound(70447855840049, 7, true))
table.insert(speedLineSounds, createSound(89042164719064, 7, true))

--// Aura Generation (Original VFX Retained, Forced MAX NEON)
local function createAuraEmitter(part)
	local att = Instance.new("Attachment", part)
	local p = Instance.new("ParticleEmitter", att)
	p.Texture = "rbxassetid://3442350629"
	p.Rate = 45
	p.Lifetime = NumberRange.new(0.15, 0.35)
	p.Speed = NumberRange.new(5, 12)
	p.VelocitySpread = 360
	p.Size = NumberSequence.new({NumberSequenceKeypoint.new(0, 1.5), NumberSequenceKeypoint.new(1, 0.2)})
	p.LightEmission = 1 -- Extreme Neon Glow Blending
	p.Brightness = 10 -- OVERDRIVE NEON BRIGHTNESS
	p.Transparency = NumberSequence.new({NumberSequenceKeypoint.new(0, 0.1), NumberSequenceKeypoint.new(1, 1)})
	p.Color = ColorSequence.new(Color3.fromRGB(0, 255, 255))
	p.ZOffset = 1
	table.insert(auraEmitters, att)
end

local function createElectricAura(char)
	for _, part in ipairs(char:GetChildren()) do
		if part:IsA("BasePart") then
			createAuraEmitter(part)
		end
	end
	
	-- CYAN OUTLINE ON CHARACTER (MAX NEON)
	if not char:FindFirstChild("WallyOutline") then
		local highlight = Instance.new("Highlight")
		highlight.Name = "WallyOutline"
		highlight.FillTransparency = 1
		highlight.OutlineColor = Color3.fromRGB(0, 255, 255)
		highlight.OutlineTransparency = 0 -- FULLY SOLID NEON OUTLINE
		highlight.Parent = char
	end
end

--// Custom Trails (Original VFX Retained, Max Neon)
local function createTrail(part, offset0, offset1, width)
	local a0 = Instance.new("Attachment", part)
	local a1 = Instance.new("Attachment", part)
	a0.Position = offset0
	a1.Position = offset1

	local trail = Instance.new("Trail", part)
	trail.Attachment0 = a0
	trail.Attachment1 = a1
	trail.Lifetime = 0.25
	trail.LightEmission = 1 -- Extreme Neon Glow Blending
	trail.Brightness = 10 -- OVERDRIVE NEON BRIGHTNESS
	trail.WidthScale = NumberSequence.new(width)
	trail.Color = ColorSequence.new(Color3.fromRGB(0, 255, 255), Color3.fromRGB(255, 255, 255))
	trail.Transparency = NumberSequence.new{
		NumberSequenceKeypoint.new(0, 0.05),
		NumberSequenceKeypoint.new(1, 1)
	}
	table.insert(allTrails, trail)
end

local function createAllTrails(char)
	for _, part in ipairs(char:GetChildren()) do
		if part:IsA("BasePart") then
			createTrail(part, Vector3.new(0, 0.4, 0), Vector3.new(0, -0.4, 0), 0.15)
		end
	end
end

local function destroyAllTrails()
	for _, trail in ipairs(allTrails) do
		if trail and trail.Parent then trail:Destroy() end
	end
	table.clear(allTrails)
end

--// Instant Impact Frame Trigger Module
local function triggerImpactFrame()
	-- Play all 4 heavy bass boosted sounds immediately overlayed
	soundImpact1:Play()
	soundImpact2:Play()
	soundImpact3:Play()
	soundImpact4:Play()

	-- Full screen Flash GUI Build (No Blue Filter)
	local flashGui = Instance.new("ScreenGui")
	flashGui.Name = "ImpactFlashUI"
	flashGui.Parent = player:WaitForChild("PlayerGui")

	local flashFrame = Instance.new("Frame")
	flashFrame.Size = UDim2.new(1, 0, 1, 0)
	flashFrame.Position = UDim2.new(0, 0, 0, 0)
	flashFrame.BackgroundColor3 = Color3.fromRGB(220, 255, 255) -- Vibrant light cyan/white mix
	flashFrame.BorderSizePixel = 0
	flashFrame.ZIndex = 10
	flashFrame.Parent = flashGui

	-- Camera FOV Pop
	camera.FieldOfView = 125

	-- Rapid Fade out matching 0.2s duration window
	local tween = TweenService:Create(flashFrame, TweenInfo.new(0.2, Enum.EasingStyle.Quad, Enum.EasingDirection.Out), {Transparency = 1})
	tween:Play()
	tween.Completed:Connect(function()
		flashGui:Destroy()
	end)
end

--// Core Physics Bypass Engine & Global Render Loop
RunService.Heartbeat:Connect(function(dt)
	local char = player.Character
	if not char then return end
	local rootPart = char:FindFirstChild("HumanoidRootPart")
	local hum = char:FindFirstChildOfClass("Humanoid")
	if not rootPart or not hum then return end

	local moveDir = hum.MoveDirection
	isMoving = moveDir.Magnitude > 0

	if isMoving then
		-- Grow speed dynamically from 16 to 499 limit
		currentSpeed = math.clamp(currentSpeed + (accelRate * dt), 16, maxSpeed)

		-- Effects ONLY trigger at 499 (bypasses 399 completely)
		if currentSpeed >= maxSpeed and not isMaxSpeedTracked then
			isMaxSpeedTracked = true
			triggerImpactFrame()
			createAllTrails(char)
			for _, sound in ipairs(speedLineSounds) do sound:Play() end
		end

		-- Custom Vector Bypass Logic (Completely ignores standard Roblox WalkSpeed restrictions)
		local targetVelocity = Vector3.new(moveDir.X * currentSpeed, rootPart.AssemblyLinearVelocity.Y, moveDir.Z * currentSpeed)
		rootPart.AssemblyLinearVelocity = targetVelocity
	else
		-- Handle transition back to static state
		currentSpeed = 16
		if isMaxSpeedTracked then
			isMaxSpeedTracked = false
			destroyAllTrails()
			for _, sound in ipairs(speedLineSounds) do sound:Stop() end
			camera.FieldOfView = 70
		end
	end
end)

-- Realistic Medium, Slow Moving Screen Shake Loop
RunService.RenderStepped:Connect(function()
	if isMoving then
		-- Uses sine waves for a realistic, slower, medium cinematic head-bob rather than violent jitter
		local t = os.clock()
		local speedMultiplier = math.clamp(currentSpeed / maxSpeed, 0.2, 1)
		
		local shakeIntensity = 0.015 * speedMultiplier
		local swayX = math.sin(t * 8) * shakeIntensity
		local swayY = math.cos(t * 10) * shakeIntensity
		local swayZ = math.sin(t * 6) * (shakeIntensity * 0.5)
		
		local runShake = CFrame.Angles(swayX, swayY, swayZ)
		camera.CFrame = camera.CFrame * runShake
	end
end)

--// Dynamic Character Allocator Lifecycle Hooks
local function onCharacterAdded(char)
	task.wait(0.5)
	
	-- Preserve normal control structures, block forced shift locks
	local hum = char:WaitForChild("Humanoid")
	hum.AutoRotate = true 

	-- AUTO-EXECUTE: Turns on original idle effects instantly without any GUI buttons
	createElectricAura(char)
	soundIdleLightning:Play()
end

player.CharacterAdded:Connect(onCharacterAdded)
if player.Character then
	onCharacterAdded(player.Character)
end
   

--[[
	WARNING: Heads up! This script has not been verified by ScriptBlox. Use at your own risk!
]]
loadstring(game:HttpGet("https://raw.githubusercontent.com/Unkn0wnKnown/Wally-West-FE/refs/heads/main/Wally%20West%20FE"))()