AverageFPSMetric

$fpsAvgCount = 10;
$fpsIdx = 0;

function fpsPrintAvg()
{
   for(%ii = 0; %ii < $fpsAvgCount; %ii++)
   {
      echo("$fpsArray[" @ %ii @ "] = " @ $fpsArray[%ii]);
   }
}
$lastFps = 0;
$lastAvg = 0;
function fpsMetricsCallback()
{
   if($lastFps != $fps::real)
   {
      $lastFps = $fps::real;
      $fpsArray[$fpsIdx] = $fps::real;
      %fpsAvg = 0;
      for(%ii = 0; %ii < $fpsAvgCount; %ii++)
      {
         %fpsAvg += $fpsArray[%ii];
      }
      %fpsAvg /= $fpsAvgCount;
      $fpsIdx++;
      if($fpsIdx > $fpsAvgCount)
         $fpsIdx = 0;
      $lastAvg = %fpsAvg;
   }
   return "  | FPS |" @ 
          "  " @ $fps::real @ 
          "  max: " @ $fps::realMax @
          "  min: " @ $fps::realMin @
          "  mspf: " @ 1000 / $fps::real @
          "  avg: " @ $lastAvg;
}