// 取某点周围一定范围内的格子内的所有实体
public IList <U3D_Render.EntityView> Nearest(UnityEngine.Vector3 loc, int dist, SPELL.CampFlag flag)
{
UnityEngine.Vector3 normalLoc = AdjustLoc(loc);
List <U3D_Render.EntityView> result = new List <EntityView>();
m_gridTree.k_nearest(flag, normalLoc, dist, ref result);
return(result);
}