Unity Engine documentationScript ReferenceUnityEngineUnityEngine.UIElementsFilterFunctionTypeOpacityA built-in opacity filter function that expects a single float value between 0.0f and 1.0f (opacity).阅读时间1 分钟最后更新于 1 个月前Definition Type: Field Namespace: UnityEngine.UIElements Assembly: UnityEngine.UIElementsModule Opacity = 3