global proc float insertPoisson(float $newPointX, float $newPointZ)
{
	select -cl;
	$tooClose = 36;
	int $error = 0;
	string $guys[] = `ls "Guy*"`;
	print("size of guys = " + (size($guys)) + "\n");
	for($k=0;$k<size($guys);$k++)
	{
		float $pointX = `getAttr ($guys[$k] + ".tx")`;
		float $pointZ = `getAttr ($guys[$k] + ".tz")`;
		
		$distance = ($pointX - $newPointX)*($pointX - $newPointX) + ($pointZ - $newPointZ)*($pointZ - $newPointZ);
		print("distance = " + $distance + "\n");
		if($distance < $tooClose)
		{
			$error = 1;
			return ($error);
		}
	}
	return ($error);

}