Method addPostProcessPass

packages/core/src/Engine.ts:417–427

* Add a post process pass. * @param pass - Post process pass to add

(pass: PostProcessPass)

   * @param pass - Post process pass to add
   */
  addPostProcessPass(pass: PostProcessPass): void {
    if (pass.engine !== this) {
      throw "The pass is not belong to this engine.";
    }

    const passes = this._postProcessPasses;
    if (passes.indexOf(pass) === -1) {
      passes.push(pass);
      pass.isActive && (this._postProcessPassNeedRefresh = true);
    }
  }

  /**
   * @internal