| pathSize | 引用 int，且此 int 将被设置为找到的路径中的导航网格节点数量。 |
PathQueryStatus
当正确检索路径中的节点数量时，则返回 /Success/。
当找到路径但未达到所需终点位置时，则返回 /PartialPath/。
当由于先前调用 UpdateFindPath 不成功而无法评估路径大小时，则返回 /Failure/。
获取在成功的 NavMeshQuery.UpdateFindPath 操作期间计算的路径中的节点数量。
此方法准备了路径数据，以便随后可以使用 NavMeshQuery.GetPathResult 来检索构成路径的 PolygonId 值的实际数组。
**重要信息：**此方法只应在寻路操作结束时调用一次。多次调用可能会破坏已存储的路径。
另请参阅：PathQueryStatus。
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