### 3.5 AOI格子添加刪除操作 > mmo\_game/core/aoi.go ```go //通過GID獲取當前格子的全部playerID func (m *AOIManager) GetPidsByGid(gID int) (playerIDs []int) { playerIDs = m.grids[gID].GetPlyerIDs() return } //移除一個格子中的PlayerID func (m *AOIManager) RemovePidFromGrid(pID, gID int) { m.grids[gID].Remove(pID) } //添加一個PlayerID到一個格子中 func (m *AOIManager) AddPidToGrid(pID, gID int) { m.grids[gID].Add(pID) } //通過橫縱坐標添加一個Player到一個格子中 func (m *AOIManager) AddToGridByPos(pID int, x, y float32) { gID := m.GetGidByPos(x, y) grid := m.grids[gID] grid.Add(pID) } //通過橫縱坐標把一個Player從對應的格子中刪除 func (m *AOIManager) RemoveFromGridByPos(pID int, x, y float32) { gID := m.GetGidByPos(x, y) grid := m.grids[gID] grid.Remove(pID) } ```