public static void AddHideTimeline(AnimationData animationData, ArmatureData armatureData) { List <BoneData> boneDataList = armatureData.BoneDataList; int i = boneDataList.Count; BoneData boneData; string boneName; while (i-- > 0) { boneData = boneDataList[i]; boneName = boneData.Name; if (animationData.GetTimeline(boneName) == null) { animationData.AddTimeline(TransformTimeline.HIDE_TIMELINE, boneName); } } }