Unity Engine documentationScript ReferenceUnityEngineUnityEngine.TerrainToolsTerrainBuiltinPaintMaterialPassesSmoothHeightsBuilt-in render pass for smoothing the Terrain height.Read time 1 minuteLast updated a month agoDefinition Type: Field Namespace: UnityEngine.TerrainTools Assembly: UnityEngine.TerrainModule SmoothHeights = 3