/** Constructor for child hull (has parent) */
public ConvexHull(List<OrganismNode> nodes, String hullName, ConvexHull parent) {
this.level = parent == null ? 1 : parent.getLevel() + 1;
this.nodes = nodes;
// Construct points as well as any children hull that exist
this.points = new LinkedList<Point>();
Map<String, List<OrganismNode>> childrenGroups = new HashMap<String, List<OrganismNode>>();
for (OrganismNode o : nodes) {
this.points.add(o.getCenter());
if (o.getTypes().containsKey(level + 1)) {
if (childrenGroups.containsKey(o.getTypes().get(level + 1)))
childrenGroups.get(o.getTypes().get(level + 1)).add(o);
else {
List<OrganismNode> temp = new LinkedList<OrganismNode>();
temp.add(o);
childrenGroups.put(o.getTypes().get(level + 1), temp);
}
}
}
this.hullName = hullName;
this.parent = parent;
hull = new ArrayList<Point>();
hullShape = new Polygon();
if (points.size() < 3) {
hull.addAll(points);
for (Point p : hull) hullShape.addPoint(p.x, p.y);
} else GrahamScan();
children = new LinkedList<ConvexHull>();
if (childrenGroups.size() > 0) {
for (Map.Entry<String, List<OrganismNode>> e : childrenGroups.entrySet())
children.add(new ConvexHull(e.getValue(), e.getKey(), this));
}
childCollisions = TBSUtils.hullCollisions(level, children);
}
