Distance-based BillboardGUI Hider Thing

local bGUIs = {}
local player = game.Players.LocalPlayer
local playerGUI = player:WaitForChild("PlayerGui")

local function getAllBillboardGuis(parent)
    local iterations = 0 -- every 200, wait() (reduces lag)
    local guis = {}
    local function get(p)
        for i,v in pairs(p:GetChildren()) do
            iterations = iterations + 1
            if (iterations % 200 == 0) then
                wait()
            end
            if (#v:GetChildren() > 0) and (not v:IsA("BillboardGui")) then
                get(v)
            elseif (v:IsA("BillboardGui")) then
                table.insert(guis, v)
            end
        end
    end
    get(parent)
    return guis
end

workspace.DescendantAdded:connect(function(d)
    if (d:IsA("BillboardGui")) then
        repeat
            wait()
        until d.Parent
        wait()
        table.insert(bGUIs, d)
    end
end)

playerGUI.DescendantAdded:connect(function(d)
    if (d:IsA("BillboardGui")) then
        repeat
            wait()
        until d.Parent
        wait()
        table.insert(bGUIs, d)
    end
end)

bGUIs = getAllBillboardGuis(workspace)

while wait(0.25) do
    for i,v in pairs(bGUIs) do
        local part = v.Adornee or v.Parent
        if (part) then
            if (player:DistanceFromCharacter(part.Position) > 50) then
                v.Enabled = false
            else
                v.Enabled = true
            end
        else
            table.remove(bGUIs, i) -- cleanup dead references
        end
    end
end