code: function (out) {
          // PENDING
          if (this.transformNeedsUpdate()) {
              this.updateWorldTransform();
          }
          var m = this.worldTransform.array;
          if (out) {
              var arr = out.array;
              arr[0] = m[12];
              arr[1] = m[13];
              arr[2] = m[14];
              return out;
          }
          else {
              return new Vector3(m[12], m[13], m[14]);
          }
      }
docs: Get world position, extracted from world transform
  @param  {clay.Vector3} [out]
  @return {clay.Vector3}