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A-Frame

1.4.0 › Components

link

Note: This documentation is for the old 1.4.0 version of A-Frame. Check out the documentation for the current 1.6.0 version

The link component connects between experiences and allows for traversing between VR web pages. When activated via an event, the link component sends the user to a different page, just like a normal web page redirect. To maintain VR across pages, the following conditions must apply:

  • Your browser implements the WebXR in-VR navigation proposal. Notice that is not yet part of the standard. Support is experimental, varies across browsers and it might require enabling manually in settings.

  • The destination Web page listens to the window [sessiongranted] event and enters VR. A-Frame experiences behave this way by default.

  • At the moment, The Oculus Browser on Quest is the only browser shipping the in-VR navigation proposal.

A link in VR can be anything such as grabbing onto an object, placing something on our head, clicking something, even eating something! We provide a default implementation of links as a portal or window, using a 360° image thumbnail to preview the destination.

The UX of link traversal will continue to refine as we iterate and experiment, both in content and from the browser.

Controls

The default UX of the link component as a portal can be interacted with using a cursor or controllers. This is not provided directly in the A-Frame core, but there is a link-controls component in the A-Frame examples. This component shows tooltips and provides button mappings for peeking and entering portals.

Example

<a-scene>
  <a-assets>
    <img id="homeThumbnail" src="home.jpg">
  </a-assets>

  <a-entity link="href: index.html; title: My Homepage; image: #homeThumbnail"></a-entity>
</a-scene>

We also provide a link primitive with a different syntax:

<a-link href="index.html" title="My Homepage" image="#homeThumbnail"></a-link>

Properties

Property Description Default Value
backgroundColor Inner (background) color of the portal. red
borderColor Border color of the portal. white
highlighted Boolean to toggle link highlight color. false
highlightedColor Border color when highlighted. ‘#24CAFF’
href Destination URL where the link points to. ‘’
image 360° image used as scene preview in the portal. Can be a selector to an <img> element or a URL. ‘’
on Event to listen to that triggers link traversal. ‘click’
peekMode Whether the 360° image is fully expanded for preview. false
title Text displayed on the link. The href or page URL is used if not defined. ‘’
titleColor Color of the text displayed on the link. white
visualAspectEnabled Whether to enable the default visual appearance of a portal. Set to false if we want to implement our own pattern or form of link traversal. true

Manually Navigating

To navigate manually, use window.location API. See this StackOverflow question on navigating. For example:

window.location.href = 'https://supermedium.com/supercraft/';
// or window.location.replace
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