VRStageParameters

Deprecated

Avoid using this feature in new projects. Development of the WebVR API halted in favor of WebXR. This feature may be a candidate for removal from web standards or browsers.

Consider using the following features instead: WebXR.

Non-standard: This feature is not standardized. We do not recommend using non-standard features in production, as they have limited browser support, and may change or be removed. However, they can be a suitable alternative in specific cases where no standard option exists.

The VRStageParameters interface of the WebVR API represents the values describing the stage area for devices that support room-scale experiences.

Note: This interface was part of the old WebVR API. It has been superseded by the WebXR Device API.

This interface is accessible through the VRDisplay.stageParameters property.

Instance properties

VRStageParameters.sittingToStandingTransform Read only

Contains a matrix that transforms the sitting-space view matrices of VRFrameData to standing-space.

VRStageParameters.sizeX Read only

Returns the width of the play-area bounds in meters.

VRStageParameters.sizeY Read only

Returns the depth of the play-area bounds in meters.

Examples

js
const info = document.querySelector("p");
let vrDisplay;

navigator.getVRDisplays().then((displays) => {
  vrDisplay = displays[0];
  const stageParams = vrDisplay.stageParameters;
  // stageParams is a VRStageParameters object

  if (stageParams === null) {
    info.textContent =
      "Your VR Hardware does not support room-scale experiences.";
  } else {
    info.innerText = `
Sitting to standing transform: ${stageParams.sittingToStandingTransform}
Play area width (m): ${stageParams.sizeX}
Play area depth (m): ${stageParams.sizeY}`;
    info.insertBefore(
      document.createElement("strong"),
      info.firstChild,
    ).textContent = "Display stage parameters";
  }
});

Specifications

This interface was part of the old WebVR API that has been superseded by the WebXR Device API. It is no longer on track to becoming a standard.

Until all browsers have implemented the new WebXR APIs, it is recommended to rely on frameworks, like A-Frame, Babylon.js, or Three.js, or a polyfill, to develop WebXR applications that will work across all browsers. Read Meta's Porting from WebVR to WebXR guide for more information.

Browser compatibility

See also