utils

class BoundedUniquePriorityQueue[A <: Shape3D] extends Iterable[A] with Growable[A] with Serializable

A wrapper on top of the normal priority queue, so that it is bounded by a given capacity (in case of overflow, replace the element based on the priority defined) and at the same time ensure that the priority queue contains only unique elements.
class ExtPointing extends Pointing with Serializable
class GeometryObjectComparator[A <: Shape3D] extends Ordering[A]

object GridType extends Enumeration

Define a new enumeration with a type alias and work with the full set of enumerated values.
Define a new enumeration with a type alias and work with the full set of enumerated values. The Java equivalent is enum.
object Utils