Unity Engine documentationScript ReferenceUnityEngineUnityEngine.LowLevelPhysics2DPhysicsDistanceJointisValidChecks if the joint is valid.阅读时间1 分钟最后更新于 1 个月前Definition Type: Property Namespace: UnityEngine.LowLevelPhysics2D Assembly: UnityEngine.Physics2DModule public bool isValid { get; }