code: function (p) {
          var _min = this.min.array;
          var _max = this.max.array;
  
          var _p = p.array;
  
          return _min[0] <= _p[0] && _min[1] <= _p[1] && _min[2] <= _p[2]
              && _max[0] >= _p[0] && _max[1] >= _p[1] && _max[2] >= _p[2];
      }
docs: If contain point entirely
  @param  {clay.Vector3} point
  @return {boolean}