此值控制烘培网格数据的基本分辨率并通过 SurfaceDataReadyDelegate 返回。设备可使每立方米三角形的数量达到此值。
RequestMeshAsync 调用的计算时间和用于所生成数据的内存开销将与请求的三角形密度成正比。值大于 1000 时，将非常接近现实世界，但非常繁重，且存在很长的烘培时间延迟。值小于 100 时，将非常轻且烘培的速度相对较快，但将失去现实世界中的许多重要功能。值大于 500 时，能够完美兼顾开销和保真度，但具体使用什么样的值取决于您的应用程序。
请注意，系统将以请求的分辨率尽力提供网格数据，但可能会减小此值，以降低成本。
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