此枚举提供 InputDevice 跟踪的 0,0,0 点所在位置的上下文。
每个 XRInputSubsystem 都有单个原点可用于所有报告的 InputDevice。原点可以相对于真实世界对象(如物理跟踪设备)或虚拟对象(如用户绘制的包围区域的中心)。
Unknown | 当 XRInputSubsystem 无法设置其跟踪原点或无跟踪时,TrackingOriginModeFlags.Unknown 进行枚举。 |
Device | 如果设置为 TrackingOriginModeFlags.Device,XRInputSubsystem 参考特定 InputDevice 的第一个已知位置跟踪所有 InputDevice。 |
Floor | 如果设置为 TrackingOriginModeFlags.Floor,XRInputSubsystem 参考地板上的点跟踪所有 InputDevice。 |
TrackingReference | 如果设置为 TrackingOriginModeFlags.TrackingReference,XRInputSubsystem 参考已设置 InputDeviceCharacteristics.TrackingReference 标志的 InputDevice 跟踪所有 InputDevice。 |
Unbounded | XRInputSubsystem tracks all InputDevices in relation to a world anchor. This world anchor can change at any time, and is chosen by the runtime. |
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