private void checkBulletTime() {
		boolean close = false;
		MyTileNode pacmanNode = (MyTileNode) Game.pacman.getTileNode();

		for (MyNode n : pacmanNode.neighbors()) {
			if (n instanceof MyTileNode) {
				MyTileNode ghostNode = (MyTileNode) n;
				for (MyGhost ghost : Game.level.getGhosts()) {
					if (ghost.getTileNode().equals(ghostNode)) {
						close = true;
					}
				}
			}
		}

		if (close) {
			Game.pacman.setSpeed(0.5f);
			for (MyGhost ghost : Game.level.getGhosts()) {
				ghost.setSpeed(0.5f);
			}
		} else {
			Game.pacman.setSpeed(1f);
			for (MyGhost ghost : Game.level.getGhosts()) {
				ghost.setSpeed(1f);
			}
		}
	}