/// <summary>
/// 向块中添加地图单元
/// </summary>
/// <param name="x"></param>
/// <param name="z"></param>
/// <param name="cell"></param>
public void AddCell(HexCell cell)
{
this.cell = cell;
cell.chunk = this;
cell.transform.SetParent(transform, false);
}
private void Awake()
{
terrain = GetComponentInChildren <HexMesh>();
cell = new HexCell();
}