Version: 2018.4
public float treeLODBiasMultiplier ;

説明

The multiplier to the current LOD bias used for rendering LOD trees (i.e. SpeedTree trees).

The value by default is 1 and must be greater than 0. The exact LOD bias value used by tree rendering is QualitySettings.lodBias * value.

The value is not serialized with Terrain component.