UltimateRobloxTheme.client.lua

-- Grab some services.
local Lighting = game:GetService("Lighting")
local RunService = game:GetService("RunService")

-- Make sure this is running from a LocalScript.
if not RunService:IsClient() then
	error("This should be running in a LocalScript!")
end

-- Create a Sound object for the music.
local music = Instance.new("Sound")
music.SoundId = "rbxassetid://1021173702"
music.Looped = true
music.Volume = 1
music.Name = "Music"

-- Create some post processing effects to be used later.
local blur = Instance.new("BlurEffect")
blur.Parent = Lighting

local cc = Instance.new("ColorCorrectionEffect")
cc.Parent = Lighting

-- Declare an update function.

local function update()
	-- Grab the current PlaybackLoudness of the music.
	-- This is a number between 0-1000 scoring how loud it currently is.
	local bass = music.PlaybackLoudness 
	
	-- Update the Camera's FieldOfView
	local camera = workspace.CurrentCamera
	
	if camera then
		camera.FieldOfView = 70 + (bass / 100)
	end
	
	-- Update the scene brightness.
	Lighting.ExposureCompensation = (bass / 300)
	
	-- Update the post processing.
	blur.Size = (bass / 30)
	cc.Saturation = (bass / 200)
	cc.Contrast = (bass / 200)
end

-- Connect the update function to the RunService's Heartbeat.
-- This will call the update function 60 times a second.

RunService.Heartbeat:Connect(update)

-- Play the music!
music.Parent = script
music:Play()