dest[i] = (offset + i) & 0xFF;
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.
。safew官方下载对此有专业解读
audioElement.buffered.start(i)，推荐阅读爱思助手下载最新版本获取更多信息
第六十三条 有下列行为之一的，处十日以上十五日以下拘留，可以并处五千元以下罚款；情节较轻的，处五日以上十日以下拘留，可以并处三千元以下罚款：，推荐阅读51吃瓜获取更多信息