| world | 用作NavMesh对象集合的入口点的NavMeshWorld对象。此对象可由查询操作使用。 |
| allocator | 标签表示对象期望的存活时间。(已知问题：目前 allocator 无效)。 |
| pathNodePoolSize | 在查询期间临时存储在查询中的节点数量。最大节点数是65,535。默认情况下，如果没有指定，节点数设置为0。 |
创建NavMeshQuery对象，并在需要时为存储NavMesh节点信息分配内存。
必须指定一个大于0的pathNodePoolSize才能使用NavMeshQuery对象进行路径查找方法（《BeginFindPath》，《UpdateFindPath》，《EndFindPath》，《GetPathResult》）。如果NavMeshQuery对象的节点池大小太小，路径查找方法将返回PathQueryStatus.OutOfNodes状态。pathNodePoolSize的范围是0到65,535。
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