local hrp = game.Players.LocalPlayer.Character.HumanoidRootPart

while task.wait() do
    for _, player in pairs(game.Players:GetPlayers()) do
        if player == game.Players.LocalPlayer then continue end
        if not player.Character then continue end

        
        local hitbox = player.Character:FindFirstChild("Hitbox")
        if not hitbox then continue end

        local head = hitbox:FindFirstChild("Hitbox_Head")
        if not head then continue end

        local size = 100

        if hrp then
            local dist = (head.Position - hrp.Position).Magnitude
            size = math.clamp((dist - 5) * 2, 1, size)
        end

        local newSize = Vector3.new(size, size, size)
        if head.Size ~= newSize then
            head.Size = newSize
        end
    end

    for _, bot in pairs(workspace:GetChildren()) do
        if bot:IsA("Model") and bot.Name ~= "Map" then      
            local hitbox = bot:FindFirstChild("Hitbox")
            if not hitbox then continue end

            local head = hitbox:FindFirstChild("Hitbox_Head")
            if not head then continue end

            local size = 100

            if hrp then
                local dist = (head.Position - hrp.Position).Magnitude
                size = math.clamp((dist - 2) * 2, 1, size)
            end

            local newSize = Vector3.new(size, size, size)
            if head.Size ~= newSize then
                head.Size = newSize
            end
        end
    end
end