const camera = new THREE.PerspectiveCamera(40, window.innerWidth / window.innerHeight, 0.1, 1000);
4 A good discussion on luminance and how to calculate it can be found on this stack exchange question. ↑，推荐阅读搜狗输入法2026获取更多信息
The algorithm maintains a running "best distance" that starts at infinity. As it walks the tree, it checks each visited point and updates the best distance if it finds something closer. Before recursing into a child node, it checks whether the closest possible point in that child's bounding box is farther than the current best. If so, the entire subtree gets pruned.。下载安装 谷歌浏览器 开启极速安全的 上网之旅。是该领域的重要参考
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