'use strict';

"use strict";
const onRenderMixin = {
  _onRender: null,
  set onRender(func) {
    const renderGroup = this.renderGroup || this.parentRenderGroup;
    if (!func) {
      if (this._onRender) {
        renderGroup?.removeOnRender(this);
      }
      this._onRender = null;
      return;
    }
    if (!this._onRender) {
      renderGroup?.addOnRender(this);
    }
    this._onRender = func;
  },
  /**
   * This callback is used when the container is rendered. This is where you should add your custom
   * logic that is needed to be run every frame.
   *
   * In v7 many users used `updateTransform` for this, however the way v8 renders objects is different
   * and "updateTransform" is no longer called every frame
   * @example
   * const container = new Container();
   * container.onRender = () => {
   *    container.rotation += 0.01;
   * };
   * @memberof scene.Container#
   */
  get onRender() {
    return this._onRender;
  }
};

exports.onRenderMixin = onRenderMixin;
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