Unity Engine documentationScript ReferenceUnityEngineTerrainLayerSmoothnessSourceDiffuseAlphaChannelSmoothness value comes from the alpha channel of TerrainLayer.diffuseTexture.阅读时间1 分钟最后更新于 1 个月前Definition Type: Field Namespace: UnityEngine Assembly: UnityEngine.TerrainModule DiffuseAlphaChannel = 1