private double getRobotAvgPolygonArea() { Set<PhysicalObject> objects = placementArea.getPlacedObjects(); double totalArea = 0.0; for (PhysicalObject object : objects) { if (object instanceof RobotObject) { totalArea += ((RobotObject) object).getAverageCoveragePolgygonArea(); } } return totalArea / config.getObjectsRobots(); }