/** Marks all AStarRegionNodes inside this bounding box as not occupied. */
public void releaseBoundingBox() {
for (int x = westernBound; x <= easternBound; x++)
for (int y = northernBound; y <= southernBound; y++)
for (int z = upperBound; z <= lowerBound; z++)
if (!isOutsideMap(x, y, z)) regionGrid.setTileBlocked(x, y, z, false);
}
