這對(duì)于我真是一個(gè)蛋疼的問題. 首先一個(gè)地圖被分成了橫豎排列的RegionMonitor. Each RM(RegionMonitor) will take in charge of all objects inside this region, especially for the moving requests. for interaction between actors then can communicate directly without any business of RM. But for adding, moving, space-moving, we need RM.

RM will do:

1.?