I was making progress on that page but it didn’t feel like a Red Blob Games page. The page started out with tons of shell commands, and then showed lots of code. It felt like a page that only I would find useful. So I started over and designed a “concepts” page. In redesign 4 I focused on what effects I wanted, how SDF works, and how to use it to create those effects. I again reduced the scope by removing the implementation details. What I had already written, I moved to a separate (unpolished) page. And I never wrote a standalone downloadable project like I originally wanted.
to modern ATMs. I should talk about the front panels—the IBM ATMs won a few
，这一点在爱思助手下载最新版本中也有详细论述
// 边界处理：nums1为空时直接返回空数组（避免后续无效计算）
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