Unity Engine documentationScript ReferenceUnityEngineUnityEngine.LowLevelPhysics2DPhysicsShapePhysicsShape.SurfaceMaterialSurfaceMaterial()Create a default surface material.阅读时间1 分钟最后更新于 1 个月前Definition Type: Constructor Namespace: UnityEngine.LowLevelPhysics2D Assembly: UnityEngine.Physics2DModule public SurfaceMaterial()