Method update

packages/engine/Source/Scene/Model/ModelImagery.js:97–119

* The update function that is called from Model.update in * each frame. * * This checks whether the imagery layer objects that are associated * with the model are all ready . If they are not yet * ready, then nothing is done. * * Otherwise, this just cal

(frameState)

   * @param {FrameState} frameState The frame state
   */
  update(frameState) {
    //>>includeStart('debug', pragmas.debug);
    Check.defined("frameState", frameState);
    //>>includeEnd('debug');

    if (!this._hasImagery) {
      // When there is no imagery, make sure to delete any model primitive
      // imageries that may previously have been created
      this._deleteModelPrimitiveImageries();
      return;
    }

    if (!this._allImageryLayersReady) {
      return;
    }

    if (!defined(this._modelPrimitiveImageries)) {
      this._modelPrimitiveImageries = this._createModelPrimitiveImageries();
    }
    this._updateModelPrimitiveImageries(frameState);

    this._checkForModifiedImageryConfigurations();
  }

  /**
   * Creates the <code>ModelPrimitiveImagery</code> array that contains