Distance.as

private function calculateDistance(xPos:Number, yPos:Number, xPos2:Number, yPos2:Number):Number
{
	var diffX:Number = xPos - xPos2;
	var diffY:Number = yPos - yPos2;

	var distance:Number = Math.sqrt(diffX * diffX + diffY * diffY);

	if (distance < 0)
	{
		distance *= 1;
	}

	return distance;
}