Network pinger, make colored dots to help visual analyze a quality of network connection over time

ping-test.ps1

#==========variables
$h="8.8.8.8"
$ping=New-object System.Net.NetworkInformation.Ping
$window=(get-host).UI.RawUI
$c=0;
#==========/variables

Write-Host "Begin => "

while ($True){
 $c=0;
 try{
    $temp=$ping.Send($h)
    $temp=$temp.RoundtripTime
    $window.WindowTitle="Current ping: $temp ms"

    if ($temp -eq 0 -and $c -eq 0){ Write-Host "d" -NoNewLine -ForegroundColor Red; $c=1;}
     if ($temp -lt 130 -and $c -eq 0){ Write-Host "." -NoNewLine -ForegroundColor Green; $c=1;}
     if ($temp -lt 200 -and $c -eq 0){ Write-Host "." -NoNewLine -ForegroundColor Yellow; $c=1;}
     if ($temp -lt 300 -and $c -eq 0){ Write-Host "." -NoNewLine -ForegroundColor Red; $c=1;}
     if ($temp -lt 400 -and $c -eq 0){ Write-Host "." -NoNewLine -ForegroundColor DarkRed; $c=1;}
  } catch [Exception]{
      Write-Host "d" -NoNewLine -ForegroundColor DarkRed;
  }
  Start-Sleep -s 2
}