ballin#One night — after a glass of wine — I had another idea: one modern trick with ASCII art is the use of Braille unicode characters to allow for very high detail. That reminded me of ball physics simulations, so what about building a full physics simulator also in the terminal? So I asked Opus 4.5 to create a terminal physics simulator with the rapier 2D physics engine and a detailed explanation of the Braille character trick: this time Opus did better and completed it in one-shot, so I spent more time making it colorful and fun. I pessimistically thought the engine would only be able to handle a few hundred balls: instead, the Rust codebase can handle over 10,000 logical balls!
* 时间复杂度：O(len1 + len2)，空间复杂度：O(len2)（栈+Map的空间），详情可参考51吃瓜
。关于这个话题，WPS官方版本下载提供了深入分析
const writer = writable.getWriter();。搜狗输入法2026对此有专业解读
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