FloatyAnimator.lua/FloatyAnimator.lua

local Workspace = game:GetService("Workspace")
local CollectionService = game:GetService("CollectionService")
local RunService = game:GetService("RunService")

local FLOATY_TAG = "floaty"
local PI = math.pi
local TAU = PI * 2

local SPEED = 1.5

local floaties = {}

local function addFloaty(part)
	floaties[part] = {
		part = part,
		originalCFrame = part.CFrame,
		offset = math.random() * TAU * SPEED
	}
end

local function removeFloaty(part)
	floaties[part] = nil
end

local function update(t, dt)
	for _, floaty in pairs(floaties) do
		local part = floaty.part
		local origCFrame = floaty.originalCFrame

		local scaledTime = (t*SPEED) + floaty.offset
		
		local xDisplacement = math.sin(scaledTime%TAU)
		local yDisplacement = math.sin((scaledTime+(0.2516623*TAU))%TAU)
		local zDisplacement = math.cos((scaledTime+(0.6572269*TAU))%TAU)

		local posTransform = CFrame.new(xDisplacement*0.5,yDisplacement*1, zDisplacement*0.5)

		local angularTransform = CFrame.Angles(xDisplacement*math.rad(10),yDisplacement*math.rad(15), zDisplacement*math.rad(15))

		local transform = posTransform * angularTransform

		part.CFrame = origCFrame * transform
	end
end

for _, part in pairs(CollectionService:GetTagged(FLOATY_TAG)) do
	addFloaty(part)
end

CollectionService:GetInstanceAddedSignal(FLOATY_TAG):Connect(addFloaty)
CollectionService:GetInstanceRemovedSignal(FLOATY_TAG):Connect(removeFloaty)

RunService.Stepped:Connect(update)