烘焙光照探针数据。
The data includes: probe positions, Spherical Harmonics (SH) coefficients and the tetrahedral tessellation. The data is a merged representation of the light probe data from all loaded scenes. For more information, see LightProbes.
使用此属性可在运行时在预烘焙 LightProbes 对象之间切换。
另请参阅：Unity 手册中的光照探针。