Green: Board stuff
"hasCompletedOnboarding": true,
，这一点在safew官方下载中也有详细论述
一名穿着短裤和黑色上衣、从桥后方走来的男子进入案发现场，站在枪手旁边并举起双手，此时又响起了一声枪响。
Toggle "Show Grid" to see the quadtree adapting to where the particles cluster in real time. Dense clusters get finer subdivisions; empty space stays coarse.