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

-- Configurações
local ESP_TRANSPARENCY = 0.5 -- entre 0 e 1
local NAME_TAG_HEIGHT = 2 -- altura acima da cabeça
local RGB_SPEED = 2 -- quão rápido o arco-íris vai mudar

-- Função para criar o highlight e o nome
local function setupESP(player)
    local highlight = Instance.new("Highlight")
    highlight.FillTransparency = ESP_TRANSPARENCY
    highlight.OutlineTransparency = ESP_TRANSPARENCY / 2
    highlight.Parent = player

    local function onCharacter(char)
        highlight.Adornee = char
        -- BillboardGui para o nome
        local head = char:WaitForChild("Head", 5)
        if head then
            local billboard = Instance.new("BillboardGui")
            billboard.Size = UDim2.new(0, 200, 0, 50)
            billboard.StudsOffset = Vector3.new(0, NAME_TAG_HEIGHT, 0)
            billboard.AlwaysOnTop = true
            billboard.Parent = head

            local label = Instance.new("TextLabel")
            label.Size = UDim2.new(1, 0, 1, 0)
            label.BackgroundTransparency = 1
            label.TextStrokeTransparency = 0.5
            label.TextColor3 = Color3.fromRGB(255, 255, 255)
            label.Text = player.Name
            label.Parent = billboard
        end
    end

    player.CharacterAdded:Connect(onCharacter)
    if player.Character then
        onCharacter(player.Character)
    end
end

-- Atualizar cor arco-íris
RunService.RenderStepped:Connect(function(deltaTime)
    local t = tick() * RGB_SPEED
    local color = Color3.fromHSV((t % 1), 1, 1)

    for _,plr in pairs(Players:GetPlayers()) do
        local highlight = plr:FindFirstChildOfClass("Highlight")
        if highlight then
            highlight.FillColor = color
            highlight.OutlineColor = color
        end
    end
end)

-- Conectar novos players
Players.PlayerAdded:Connect(setupESP)
-- Players que já estão no jogo
for _,player in pairs(Players:GetPlayers()) do
    setupESP(player)
end