# List checkpoints
Digest: sha256:5638b6581830be13c9ae418c5d1587f36c7f99b3860326fa7b163bef70236438。雷电模拟器官方版本下载对此有专业解读
，更多细节参见夫子
A quadtree reduces this: rebuild the tree each frame, and for each object, query only the nearby region. Objects in distant quadrants are never compared.
But other stuff…? It was just goofing off:。关于这个话题，Line官方版本下载提供了深入分析
We provided Google with concrete examples from their own infrastructure to demonstrate the issue. One of the keys we tested was embedded in the page source of a Google product's public-facing website. By checking the Internet Archive, we confirmed this key had been publicly deployed since at least February 2023, well before the Gemini API existed. There was no client-side logic on the page attempting to access any Gen AI endpoints. It was used solely as a public project identifier, which is standard for Google services.