for (TerrainBoundaryWorldObject tb :
map.getWorldObjects(TerrainBoundaryWorldObject.class)) {
AxisAlignedBoundingBoxXZ box = tb.getAxisAlignedBoundingBoxXZ();
if (box != null) {
PolygonXZ polygon = box.polygonXZ();
target.drawLineLoop(BB_COLOR, 1, polygon.xyz(0).getVertices());
}
}