anders = {}

anders.s = 1
anders.t = false

function anders.hostscale ()
  if anders.s > 1 then anders.s = 1 anders.t = true end
  if anders.s < 0 then anders.s = 0 anders.t = false end
  
  if anders.t then
    anders.s = anders.s - 0.1
  else
    anders.s = anders.s + 0.1
  end
  
  _ServerCommand("phys_timescale "..anders.s.."\n")
end

if anders.timer ~= nil then
  HaltTimer(anders.timer)
end

anders.timer = AddTimer(0.1, 0, anders.hostscale)