require some technical skills
The new API has complete parallel sync versions: Stream.pullSync(), Stream.bytesSync(), Stream.textSync(), and so on. If your source and transforms are all synchronous, you can process the entire pipeline without a single promise.
，这一点在heLLoword翻译官方下载中也有详细论述
在 3D 世界里，所有的表演都需要一个舞台。Three.js 遵循“三剑客”原则：场景、相机、渲染器。
"tengu_thinkback": false,