XREquirectLayer: radius property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

See full compatibility

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The radius property of the XREquirectLayer interface represents the radius of the sphere.

Value

A number representing the non-negative radius (in meters) of the sphere. Values of zero or infinity are treated as representing an infinite sphere. Setting radius to a value less than 0 will set it to 0.

Examples

Getting a layer's radius

The XRWebGLBinding.createEquirectLayer() method creates an equirect layer and allows specifying a radius. The XREquirectLayer.radius property can be used after layer creation to get the radius used or to set it to a new one.

const equirectLayer = xrGlBinding.createEquirectLayer({
  space: xrReferenceSpace,
  viewPixelWidth: 1200,
  viewPixelHeight: 600,
  centralHorizontalAngle: 2 * Math.PI,
  upperVerticalAngle: Math.PI / 2.0,
  lowerVerticalAngle: -Math.PI / 2.0,
  radius: 0,
});

equirectLayer.radius; // 0

Specifications

Specification
WebXR Layers API Level 1 # dom-xrequirectlayer-radius

Browser compatibility

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`radius` Experimental	Chrome – Full support Chrome 147 (Release date: 2026-04-07) footnote Full support	Edge – Full support Edge 147 (Release date: 2026-04-10) footnote Full support	Firefox – No support Firefox footnote No support	Opera – Full support Opera 131 (Release date: 2026-04-29) footnote Full support	Safari – No support Safari footnote No support	Chrome Android – Full support Chrome Android 147 (Release date: 2026-04-07) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – No support Opera Android footnote No support	Safari on iOS – No support Safari on iOS footnote No support	Samsung Internet – No support Samsung Internet footnote No support	WebView Android – No support WebView Android footnote No support	WebView on iOS – No support WebView on iOS footnote No support

Tip: you can click/tap on a cell for more information.

Full support: Full support
No support: No support
: Experimental. Expect behavior to change in the future.