private void renderEmptyGrid(Graphics2D graphics) {
		int startPointGridXCoordinate = 150;
		int startPointGridYCoordinate = 20;
		List<Position> effectposlist = objectTron.getEffectPositions();

		for (int i = 0; i < objectTron.getGridWidth(); i++) {
			for (int j = 0; j < objectTron.getGridHeight(); j++) {
				if (effectposlist.contains(new Position(i, j))) {
					graphics.drawImage(poweredDowncell, (i * 41)
							+ startPointGridXCoordinate, (j * 41)
							+ startPointGridYCoordinate, 40, 40, null);
				} else {
					graphics.drawImage(cell, (i * 41)
							+ startPointGridXCoordinate, (j * 41)
							+ startPointGridYCoordinate, 40, 40, null);
				}
			}
		}
	}