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

local plr = Players.LocalPlayer
local camera = Workspace.CurrentCamera

local boxes = {}

local function createBox(player)
    local box = Drawing.new("Square")
    box.Visible = false
    box.Thickness = 2
    box.Color = Color3.new(1, 1, 1)
    box.Filled = false
    boxes[player] = box
end

local function removeBox(player)
    if boxes[player] then
        boxes[player]:Remove()
        boxes[player] = nil
    end
end

local function updateBoxes()
    for _, player in ipairs(Players:GetPlayers()) do
        if player == plr then continue end
        if not boxes[player] then createBox(player) end
        local box = boxes[player]
        local char = player.Character
        if char and char:FindFirstChild("HumanoidRootPart") then
            local hrp = char.HumanoidRootPart
            local _, onScreen = camera:WorldToViewportPoint(hrp.Position)
            if onScreen then
                local tl = camera:WorldToViewportPoint((hrp.CFrame * CFrame.new(-2, 3, 0)).Position)
                local br = camera:WorldToViewportPoint((hrp.CFrame * CFrame.new(2, -3, 0)).Position)
                box.Position = Vector2.new(tl.X, tl.Y)
                box.Size = Vector2.new(br.X - tl.X, br.Y - tl.Y)
                box.Visible = true
            else
                box.Visible = false
            end
        else
            box.Visible = false
        end
    end
end

Players.PlayerAdded:Connect(createBox)
Players.PlayerRemoving:Connect(removeBox)
RunService.RenderStepped:Connect(updateBoxes)