其实目前AI面对的问题和10年前手机市场遇到的一样。高端不走量，低端没利润。
How did Nasa's Suni and Butch fill nine months in space?
。关于这个话题，爱思助手下载最新版本提供了深入分析
2 For points outside the convex hull, an acceptable solution is to find the closest point on the surface and determine the barycentric coordinates for that point instead. ↑，这一点在搜狗输入法下载中也有详细论述
The tree is rebuilt every frame. For scenes of this scale, quadtree construction is fast enough to rebuild from scratch each frame, though larger simulations may benefit from incremental updates. Each particle queries its neighborhood for potential collisions, typically checking only 5 to 15 candidates instead of all 40. Red highlights indicate colliding pairs.
const curTime = posToTime.get(pos);