XRFrame.getViewerPose()

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句法
范例
规范
浏览器兼容性
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草案
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安全上下文
此特征只可用于安全上下文 (HTTPS)，在某些或所有支持浏览器 .

getViewerPose() method, a member of the XRFrame interface, returns a XRViewerPose object which describes the viewer's pose (position and orientation) relative to the specified reference space.

见 getPose() method for a way to calculate a pose that represents the difference between two spaces.

句法

var xrViewerPose = xrFrame.getViewerPose(referenceSpace);

参数

referenceSpace: XRReferenceSpace object specifying the space to use as the reference point or base for the computation of the viewer's current pose.

返回值

A XRViewerPose describing the viewer's position and orientation relative to the specified reference space.

异常

InvalidStateError: DOMException indicating that getViewerPose() was not called within the context of a callback to a session's XRSession.requestAnimationFrame() .

范例

In this callback function for requestAnimationFrame() ， XRViewerPose describing the viewer's viewpoint on the world is obtained by calling getViewerPose() 在 XRFrame passed into the callback.

viewerPose = xrFrame.getViewerPose(xrReferenceSpace);
if (viewerPose) {
  /* render the pose's views */
}

To see a complete example, take a look at Movement, orientation, and motion .

规范

规范	状态	注释
WebXR 设备 API The definition of 'XRFrame.getViewerPose()' in that specification.	工作草案	初始定义。

浏览器兼容性

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`getViewerPose()`	Chrome 79	Edge 79	Firefox No	IE No	Opera No	Safari No	WebView Android No	Chrome Android 79	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android 11.2

图例

完整支持
不支持
实验。期望将来行为有所改变。

元数据

最后修改： Feb 21, 2020

WebXR 设备 API
XRFrame
特性
1. session
方法
1. getPose()
2. getViewerPose()
Related pages for WebXR Device API

在此页

句法

参数

返回值

异常

范例

规范

浏览器兼容性

图例

相关话题