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.
Жители Санкт-Петербурга устроили «крысогон»17:52
，这一点在搜狗输入法2026中也有详细论述
Мощный удар Израиля по Ирану попал на видео09:41。雷电模拟器官方版本下载对此有专业解读
从图中可以看到，生成的页面布局合理，色彩搭配和谐，完全符合“现代化”和“技术感”的要求。