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.
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BuildKit’s --output flag is where this gets practical. You can tell BuildKit to export the result as:，推荐阅读谷歌浏览器【最新下载地址】获取更多信息
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