Flashback v2

local ReGui = loadstring(game:HttpGet('https://raw.githubusercontent.com/depthso/Dear-ReGui/refs/heads/main/ReGui.lua'))()
local PrefabsId = "rbxassetid://" .. ReGui.PrefabsId

local InsertService = game:GetService("InsertService")
local RunService = game:GetService("RunService")
local MarketplaceService = game:GetService("MarketplaceService")
local Players = game:GetService("Players")

local GameInfo = MarketplaceService:GetProductInfo(game.PlaceId)
local LocalPlayer = Players.LocalPlayer

ReGui:Init({
    Prefabs = InsertService:LoadLocalAsset(PrefabsId)
})

local flashbacklength = 60
local flashbackspeed = 0.5

local name = game:GetService("RbxAnalyticsService"):GetSessionId()
local frames, LP, RS = {}, LocalPlayer, RunService

pcall(RS.UnbindFromRenderStep, RS, name)

local function getchar()
   return LP.Character or LP.CharacterAdded:Wait()
end

function gethrp(c)
return c:FindFirstChild("HumanoidRootPart") or c.RootPart or c.PrimaryPart or c:FindFirstChild("Torso") or c:FindFirstChild("UpperTorso") or c:FindFirstChildWhichIsA("BasePart")
end

local flashback = {lastinput=false, canrevert=true, active=false}

function flashback:Advance(char, hrp, hum, allowinput)
   
   if #frames>flashbacklength*60 then
       table.remove(frames, 1)
   end
   
   if allowinput and not self.canrevert then