Coding Challenge - Line Rider

This is a physics "game" where a person draws lines that a Line Rider will ride on:
https://www.linerider.com/

A follow up might be to draw lines based on song's rythm - like the bass beat. Here is a video where a Line Rider "rides" a song: https://www.youtube.com/watch?v=qasxqKScOfY

首先查看 Line Rider 网站和链接的视频，以了解所提议的物理游戏及其后续的歌曲同步功能。该 issue 没有列出项目文件、测试、入口点或具体的完成条件，因此需要在实现之前确定范围和 Definition of Done。

由索引模型根据 Issue 内容生成。