local close = 40 // Distance at which players become invisible.

timer.Create("StopThat", 0.5, 0, function()
	local self = LocalPlayer()
	local pos = self:GetPos()
	for _, ply in pairs(player.GetAll()) do
		if ply != self then
			local distance = (pos - ply:GetPos()):Length()
			ply:SetNoDraw(distance < close)
		end
	end
end)