FIX: updated addition of an object to the closest node

src/mhtree/BuildTree.java

@@ -127,14 +127,9 @@ class BuildTree {
     private void addObjectToClosestNode(int objectIndex) throws BucketStorageException {
         LocalAbstractObject object = objectDistances.getObject(objectIndex);
 
-        Function<Node, Float> getMinHullObjectDistance = node -> node.getHullObjects().stream()
-                .map(object::getDistance)
-                .reduce(Float.MAX_VALUE, Math::min);
+        Map<Node, Double> nodeToObjectDistance = Arrays.stream(nodes)
+                .collect(Collectors.toMap(Function.identity(), node -> node.getDistance(object)));
 
-        Map<Node, Float> nodeToObjectDistance = Arrays.stream(nodes)
-                .collect(Collectors.toMap(Function.identity(), getMinHullObjectDistance));
-
-        // Add object to the node with minimal distance to this object
         Collections.min(nodeToObjectDistance.entrySet(), Map.Entry.comparingByValue()).getKey().addObject(object);
     }