Need implementation

local RunService = game:GetService("RunService")
local camera = workspace.CurrentCamera

local drawing = Drawing.new("Text")
drawing.Visible = false
drawing.Size = 20
drawing.Color = Color3.new(1, 1, 1)
drawing.Center = true
drawing.Outline = true

RunService.RenderStepped:Connect(function()
    for _, model in pairs(workspace:GetChildren()) do
        if model:IsA("Model") and model:FindFirstChild("Head") then
            local head = model.Head
            local screenPosition, onScreen = camera:WorldToScreenPoint(head.Position)
            if onScreen then
                drawing.Visible = true
                drawing.Position = Vector2.new(screenPosition.X, screenPosition.Y)
                local hasSteelHelmet = model:FindFirstChild("SteelHelmet") ~= nil
                drawing.Color = hasSteelHelmet and Color3.new(1, 0, 0) or Color3.new(1, 1, 1)
                drawing.Text = tostring((camera.CFrame.p - head.Position).Magnitude)
            else
                drawing.Visible = false
            end
        end
    end
end)