Unity Engine documentationScript ReferenceUnity.U2D.PhysicsPhysicsQueryPhysicsQuery.CastRayInputoriginThe origin (start) of the ray.阅读时间1 分钟最后更新于 1 个月前Definition Type: Property Namespace: Unity.U2D.Physics Assembly: UnityEngine.PhysicsCore2DModule public Vector2 origin { readonly get; set; }