opensource fps bost

local Players = game:GetService("Players")
local Lighting = game:GetService("Lighting")
local Workspace = game:GetService("Workspace")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")
local LocalPlayer = Players.LocalPlayer

local fpsboost = false
local originalsettings = {}

setfpscap(1000)
local function applyfpsboost(state)
    if state then
        originalsettings = {
            Brightness = Lighting.Brightness,
            GlobalShadows = Lighting.GlobalShadows,
            FogEnd = Lighting.FogEnd,
            QualityLevel = settings().Rendering.QualityLevel
        }

        Lighting.GlobalShadows = false
        Lighting.FogEnd = 100000
        Lighting.Brightness = 1.5

        for _, v in pairs(Lighting:GetChildren()) do
            if v:IsA("PostProcessEffect") or v:IsA("BloomEffect") or v:IsA("BlurEffect") or v:IsA("SunRaysEffect") or v:IsA("DepthOfFieldEffect") or v:IsA("ColorCorrectionEffect") then
                v.Enabled = false
            end
        end

        settings().Rendering.QualityLevel = 1

        for _, part in ipairs(Workspace:GetDescendants()) do
            if part:IsA("BasePart") then
                pcall(function()
                    part.CastShadow = false
                end)
            end
        end


        print("fps boost on")
    else
        Lighting.Brightness = originalsettings.Brightness or 1
        Lighting.GlobalShadows = originalsettings.GlobalShadows or true
        Lighting.FogEnd = originalsettings.FogEnd or 100000
        settings().Rendering.QualityLevel = originalsettings.QualityLevel or 3

        print("fps boost off")
    end
end

UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if gameProcessed then return end
    if input.KeyCode == Enum.KeyCode.F then
        fpsboost = not fpsboost
        applyfpsboost(fpsboost)
    end
end)

print("press f to toggle")