參考資料: https://medium.com/%E5%B0%8F%E5%BD%A5%E5%BD%A5%E7%9A%84%E5%89%8D%E7%AB%AF%E4%BA%94%E5%9B%9B%E4%B8%89/three-js%E5%88%9D%E5%BF%83%E8%80%85%E5%85%A5%E9%96%80%E7%AF%87-607732c6fc18