public void surroundTilesWithWall(int _x, int _y) { if (BSPTree.getGrid().getTile(_x + 1, _y) == 0) { BSPTree.setTile(_x + 1, _y, 2); } if (BSPTree.getGrid().getTile(_x - 1, _y) == 0) { BSPTree.setTile(_x - 1, _y, 2); } if (BSPTree.getGrid().getTile(_x, _y + 1) == 0) { BSPTree.setTile(_x, _y + 1, 2); } if (BSPTree.getGrid().getTile(_x, _y - 1) == 0) { BSPTree.setTile(_x, _y - 1, 2); } }