local AMOUNT = 40
local BASE_DISTANCE = 7
local HEIGHT = 1
local SIZE = Vector3.new(0.3, 0.3, 0.3)

local BEAT_FORCE = 0.012
local SMOOTHING = 0.35

local COLOR_SPEED = 0.15
local PASTEL_SATURATION = 0.35
local PASTEL_BRIGHTNESS = 1

local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local SoundService = game:GetService("SoundService")

local player = Players.LocalPlayer
local character
local root

local diamonds = {}
local currentDistance = BASE_DISTANCE
local colorTime = 0

for i = 1, AMOUNT do
    local part = Instance.new("Part")
    part.Size = SIZE
    part.Anchored = true
    part.CanCollide = false
    part.Material = Enum.Material.Neon
    part.Parent = workspace

    diamonds[i] = {
        part = part,
        angle = (math.pi * 2 / AMOUNT) * i,
        colorOffset = i / AMOUNT
    }
end

local function setCharacter(char)
    character = char
    root = character:WaitForChild("HumanoidRootPart")
end

if player.Character then
    setCharacter(player.Character)
end

player.CharacterAdded:Connect(setCharacter)

local function getLoudness()
    local loudness = 0

    for _, obj in ipairs(workspace:GetDescendants()) do
        if obj:IsA("Sound") and obj.IsPlaying and obj.Volume > 0 then
            loudness = math.max(loudness, obj.PlaybackLoudness)
        end
    end

    for _, obj in ipairs(SoundService:GetDescendants()) do
        if obj:IsA("Sound") and obj.IsPlaying and obj.Volume > 0 then
            loudness = math.max(loudness, obj.PlaybackLoudness)
        end
    end

    return loudness
end

RunService.RenderStepped:Connect(function(dt)
    if not root then return end

    local loudness = getLoudness()
    colorTime += dt * COLOR_SPEED

    local target = BASE_DISTANCE - (loudness * BEAT_FORCE)
    target = math.clamp(target, BASE_DISTANCE - 2, BASE_DISTANCE)

    currentDistance += (target - currentDistance) * SMOOTHING

    for _, data in ipairs(diamonds) do
        local x = math.cos(data.angle) * currentDistance
        local z = math.sin(data.angle) * currentDistance

        local hue = (colorTime + data.colorOffset) % 1
        data.part.Color = Color3.fromHSV(hue, PASTEL_SATURATION, PASTEL_BRIGHTNESS)

        data.part.CFrame =
            CFrame.new(root.Position + Vector3.new(x, HEIGHT, z))
            * CFrame.Angles(math.rad(45), math.rad(45), 0)
    end
end)