class Animal() {
    val weight = Random.nextInt(100) + 20
    val height = Random.nextInt(200) + 50
    val torso = new Torso
}

class Torso{
  private val types = Seq(TorsoType("Torso 1", 20, 15, new Head),
                          TorsoType("Torso 2", 15, 20, new Head))

  private val i = Random.nextInt(types.length)
  val name = types.apply(i).name
  val strength = types.apply(i).strength
  val agility = types.apply(i).agility
  val head = types.apply(i).head
}



case class TorsoType(name: String, strength: Int, agility: Int, head: Head)

class Head {
  private val types = Seq(HeadType("Head 1", 10),
                          HeadType("Head 2", 20))
  private val i = Random.nextInt(types.length)
  val name = types.apply(i).name
  val intelligence = types.apply(i).intelligence
}

case class HeadType(name: String, intelligence: Int)