Hit "Run" to watch particles bounce around with quadtree-accelerated collision detection:
Shortcuts: For common scenarios, we pre-calculate the travel time/distance (the "shortcut") between border points within the same cluster and also to border points of immediately adjacent clusters.
Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10132-3，更多细节参见雷电模拟器官方版本下载
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