hullPoint method
Set the min and max of this so that this contains point.
Implementation
void hullPoint(Vector3 point) {
  Vector3.min(_min, point, _min);
  Vector3.max(_max, point, _max);
}
Set the min and max of this so that this contains point.
void hullPoint(Vector3 point) {
  Vector3.min(_min, point, _min);
  Vector3.max(_max, point, _max);
}