Method getOrCreateObject3D

src/core/a-entity.js:174–183

* Gets or creates an object3D of a given type. * * @param {string} type - Type of the object3D. * @param {string} Constructor - Constructor to use to create the object3D if needed. * @returns {object}

(type, Constructor)

   * @returns {object}
   */
  getOrCreateObject3D (type, Constructor) {
    var object3D = this.getObject3D(type);
    if (!object3D && Constructor) {
      object3D = new Constructor();
      this.setObject3D(type, object3D);
    }
    warn('`getOrCreateObject3D` has been deprecated. Use `setObject3D()` ' +
         'and `object3dset` event instead.');
    return object3D;
  }

  /**
   * Add child entity.