Op time rewind script

local Key1 = Enum.KeyCode.E
local RegularFOV = game.Workspace.Camera.FieldOfView*1
local CameraOn = true
local FpsOn = true
local Key2 = Enum.KeyCode.Q
local plr = game.Players.LocalPlayer
local char = game.Players.LocalPlayer.Character
local movement = {}
local movement2 = {}
local movement4 = {}
local FPS1 = {}
local movement20 = {}
local movement21 = {}
local movement23 = {}
local FPS2 = {}
local on = false
local on2 = false
local R = game:GetService("RunService")
local UI = game:GetService("UserInputService")
local current = 0
local current2 = 0
R.RenderStepped:Connect(function()
    if on then
        game.Players.LocalPlayer.Character.HumanoidRootPart.CFrame=movement[current]
        game.Players.LocalPlayer.Character.HumanoidRootPart.AssemblyLinearVelocity = movement2[current]
        if FpsOn then
            game.Workspace.Camera.FieldOfView = FPS1[current]
        end
        if CameraOn then
            game.Workspace.Camera.CFrame = movement4[current]
        end
        movement20[current] = game.Players.LocalPlayer.Character.HumanoidRootPart.CFrame
        movement21[current] = game.Players.LocalPlayer.Character.HumanoidRootPart.AssemblyLinearVelocity
        if FpsOn then
            FPS2[current] = game.Workspace.Camera.FieldOfView
        end
        if CameraOn then
            movement23[current] = game.Workspace.Camera.CFrame
        end
        on2 = false
        current -= 1
    else
        current += 1
        movement[current] = game.Players.LocalPlayer.Character.HumanoidRootPart.CFrame
        movement2[current] = game.Players.LocalPlayer.Character.HumanoidRootPart.AssemblyLinearVelocity
        if FpsOn then
            FPS1[current] = game.Workspace.Camera.FieldOfView
        end
        if CameraOn then
            movement4[current] = game.Workspace.Camera.CFrame
        end
    end
    if on2 then
        on = false
        game.Players.LocalPlayer.Character.HumanoidRootPart.CFrame = movement20[current2]
        game.Players.LocalPlayer.Character.HumanoidRootPart.AssemblyLinearVelocity = movement21[current2]
        if FpsOn then
            game.Workspace.Camera.FieldOfView = FPS2[current2]
        end
        if CameraOn then
            game.Workspace.Camera.CFrame = movement23[current2]
        end
        current2 -= 1
    else
        current2 += 1
        movement20[current2] = game.Players.LocalPlayer.Character.HumanoidRootPart.CFrame
        movement21[current2] = game.Players.LocalPlayer.Character.HumanoidRootPart.AssemblyLinearVelocity
        if FpsOn then
            FPS2[current2] = game.Workspace.Camera.FieldOfView
        end
        if CameraOn then
            movement23[current2] = game.Workspace.Camera.CFrame
        end
    end
end)
UI.InputBegan:Connect(function(i, chatting)
    if not chatting and i.KeyCode == Key1 then
        if CameraOn then
            game.Workspace.CurrentCamera.CameraType = Enum.CameraType.Scriptable
            game.Workspace.CurrentCamera.CameraSubject = game.Players.LocalPlayer.Character.Humanoid
        end
        on = true
    end
    if not chatting and i.KeyCode == Key2 then
        if CameraOn then
            game.Workspace.CurrentCamera.CameraType = Enum.CameraType.Scriptable
            game.Workspace.CurrentCamera.CameraSubject = game.Players.LocalPlayer.Character.Humanoid
        end
        on2 = true
    end
end)
UI.InputEnded:Connect(function(i, chatting)
    if not chatting and i.KeyCode == Key1 then
        if CameraOn then
            game.Workspace.CurrentCamera.CameraType = Enum.CameraType.Custom
            game.Workspace.CurrentCamera.CameraSubject = game.Players.LocalPlayer.Character.Humanoid
        end
        if FpsOn then
            game.Workspace.Camera.FieldOfView = RegularFOV
        end
        on = false
    end
    if not chatting and i.KeyCode == Key2 then
        if CameraOn then
            game.Workspace.CurrentCamera.CameraType = Enum.CameraType.Custom
            game.Workspace.CurrentCamera.CameraSubject = game.Players.LocalPlayer.Character.Humanoid
        end
        on2 = false
        if FpsOn then
            game.Workspace.Camera.FieldOfView = RegularFOV
        end
    end
end)