Audio visualizer (Local sided)

print("Audio Visualizer by DrawingJhon")

local player = game:GetService("Players").LocalPlayer
local mouse = player:GetMouse()
local render = game:GetService("RunService").RenderStepped
script.Parent = player.PlayerGui
local prefix = ","

local plVol = 0
local parts = {}
local lights = {}
local lastPosMouse

local model = Instance.new("Model", workspace)
model.Name = "AudioSpectrum"

local lastModel = model
local sound = Instance.new("Sound", model)
sound.Name = "Audio"
sound.Looped = true

spawn(function()
    wait(1.5)
    while true do
        if model.Parent == nil then
            model = Instance.new("Model", workspace)
            model.Name = "AudioSpectrum"
            sound = Instance.new("Sound", model)
            sound.Name = "Audio"
            sound.Looped = true
        end
        wait()
    end
end)

local colors = {
    red = true;
    green = false;
    blue = false;
    white = false;
    black = false;
    rainbow = false;
}
function cFalse()
    colors.red = false
    colors.green = false
    colors.blue = false
    colors.white = false
    colors.black = false
    colors.rainbow = false
end
local RainbowColor = Color3.new()
local RECode = math.random()

function StartRainbowify()
    coroutine.wrap(function()
        local code = math.random()
        RECode = code
        local RealWait = wait
        local function wait(num)
            if RECode == code then
                return RealWait(num)
            end
            coroutine.yield()
        end
        while true do
                RainbowColor = Color3.new(255/255,0/255,0/255)
                for i = 0,255,10 do
                wait()
                RainbowColor = Color3.new(255/255,i/255,0/255)
                end
                for i = 255,0,-10 do
                wait()
                RainbowColor = Color3.new(i/255,255/255,0/255)
            end
                for i = 0,255,10 do
                wait()
                RainbowColor = Color3.new(0/255,255/255,i/255)
                end
            for i = 255,0,-10 do
                wait()
                RainbowColor = Color3.new(0/255,i/255,255/255)
            end
            for i = 0,255,10 do
                wait()
                RainbowColor = Color3.new(i/255,0/255,255/255)
            end
            for i = 255,0,-10 do
                wait()
                RainbowColor = Color3.new(255/255,0/255,i/255)
                end
        end
    end)()
end

function msgFunc(msg)
    local p = prefix
    if msg:lower():sub(1,6) == p.."play " then
        local id = msg:sub(7)
        if model:findFirstChildOfClass("Sound") then
            local sound = model:findFirstChildOfClass("Sound")
            sound.Name = "Audio"
            sound:Stop()
            sound.SoundId = "rbxassetid://"..id
            sound:Play()
        else
            sound = Instance.new("Sound", model)
            sound.Name = "Audio"
            sound.Looped = true
            sound.SoundId = "rbxassetid://"..id
            sound:Play()
        end
    end
    if msg:lower():sub(1,5) == p.."stop" then
        sound:Stop()
    end
    if msg:lower():sub(1,7) == p.."color " then
        local msg = msg:sub(8)
        if msg:lower() == "red" then
            cFalse()
            colors.red = true
        end
        if msg:lower() == "blue" then
            cFalse()
            colors.blue = true
        end
        if msg:lower() == "green" then
            cFalse()
            colors.green = true
        end
        if msg:lower() == "black" then
            cFalse()
            colors.black = true
        end
        if msg:lower() == "white" then
            cFalse()
            colors.white = true
        end
        if msg:lower() == "rainbow" then
            cFalse()
            StartRainbowify()
            colors.rainbow = true
        end
    end
    if msg:lower():sub(1,8) == p.."volume " then
        sound.Volume = msg:sub(9)
    end
    if msg:lower():sub(1,7) == p.."pitch " then
        sound.Pitch = msg:sub(8)
    end
    if msg:lower() == p.."clear" then
        for i = 1,#parts do
            parts[i]:Destroy()
        end
    end
end

player.Chatted:Connect(function(msg)
    if msg:sub(1,3) == "/e " then
        msgFunc(msg:sub(4))
    else
        msgFunc(msg)
    end
end)

local function mPart(name, pos, bc)
    local part = Instance.new("Part", player.Character)
    part.Anchored = true
    part.Transparency = 0
    part.Name = name
    part.CFrame = CFrame.new(pos)
    part.Color = bc
    part.Material = "Neon"
    part.TopSurface = "Smooth"
    part.BottomSurface = "Smooth"
    return part
end

function fireAction(wht, data)
    if wht == "Vol" then
        for i, v in pairs(parts) do
            if v:IsA("BasePart") then
                if sound.Parent == nil then
                    v.Size = Vector3.new(1, 1, 1)
                else
                    v.Size = Vector3.new(1, data/math.random(10,25), 1)
                end
            end
        end
        plVol = data
    end
    if wht == "mouseDown" then
        if data == lastPosMouse then return else lastPosMouse = data end
        local brick = mPart("Part", data, Color3.new(0, 0, 0))
        brick.CanCollide = false
        brick.Size = Vector3.new(1, 1, 1)
        table.insert(parts, brick)
        local light = Instance.new("PointLight", brick)
        light.Color = brick.BrickColor.Color
        light.Range = 0
        light.Enabled = true
        light.Shadows = true
        light.Brightness = 0
        table.insert(lights, light)
    end
end


spawn(function()
    while true do
        for i, v in pairs(lights) do
            v.Enabled = true
            v.Brightness = plVol/19
            v.Range = plVol/15
            v.Color = parts[i].Color
        end
        for _, v in pairs(parts) do
            if sound.Parent == nil or sound.IsPlaying == false then
                v.BrickColor = BrickColor.new(Color3.new(0, 0, 0)) v.Size = Vector3.new(1, 1, 1)
            elseif colors.red == true then
                v.BrickColor = BrickColor.new(Color3.new(plVol/200, 0, 0))
            elseif colors.green == true then
                v.BrickColor = BrickColor.new(Color3.new(0, plVol/200, 0))
            elseif colors.blue == true then
                v.BrickColor = BrickColor.new(Color3.new(0, 0, plVol/200))
            elseif colors.white == true then
                v.BrickColor = BrickColor.new(Color3.new(255, 255, 255))
            elseif colors.black == true then
                v.BrickColor = BrickColor.new(Color3.new(0, 0, 0))
            elseif colors.rainbow == true then
                v.Color = RainbowColor
            end
        end
        render:Wait()
    end
end)

local db = false
local audio = sound

repeat wait() until model ~= nil

mouse.Button1Down:Connect(function()
    db = false
    repeat
        if db == true then break end
        fireAction("mouseDown", mouse.Hit.p)
        wait()
    until db == true
end)
mouse.Button1Up:connect(function()
    db = true
end)

render:Connect(function()
    for i = 1,#parts do
        if parts[i] ~= nil and parts[i].ClassName == "Part" and parts[i].Parent ~= nil then
            parts[i].LocalTransparencyModifier = 0
        end
    end
end)
spawn(function()
    while true do
        repeat render:Wait() until audio.IsPlaying
        local vol = audio.PlaybackLoudness
        fireAction("Vol", vol)
        workspace.CurrentCamera.FieldOfView = 70 - vol/100
    end
end)
wait(.1)
print([[Commands:
]]..prefix..[[cmds
]]..prefix..[[play < SongId > - Play song id
]]..prefix..[[color < red / green / blue / rainbow / white / black > - Change Audio Visualizer color
]]..prefix..[[volume < number > - Change song volume
]]..prefix..[[pitch < number > - Change song pitch
]]..prefix..[[stop - Stop song]])
print("Note: You can use silent commands")