Unity Engine documentationScript ReferenceUnityEngineUnityEngine.LowLevelPhysics2DPhysicsBodyPhysicsBody.BodyConstraintsPositionYConstrain motion along the Y-axis.阅读时间1 分钟最后更新于 1 个月前Definition Type: Field Namespace: UnityEngine.LowLevelPhysics2D Assembly: UnityEngine.Physics2DModule PositionY = 2