Unity Engine documentationScript ReferenceUnityEngineUnityEngine.LowLevelPhysics2DPhysicsShapePhysicsShape.SurfaceMaterial.MixingModeMinimumThe minium of both surface values.Read time 1 minuteLast updated 17 days agoDefinition Type: Field Namespace: UnityEngine.LowLevelPhysics2D Assembly: UnityEngine.Physics2DModule Minimum = 3