This is an experimental technologyCheck the Browser compatibility table carefully before using this in production.
The rightBounds
property of the VRLayerInit
interface (dictionary) defines the right texture bounds of the canvas whose contents will be presented by the VRDisplay
.
Syntax
var myVRLayerInit = { };
myVRLayerInit.rightBounds = [0.5, 0.0, 0.5, 1.0];
Value
An array of four floating point values, which can take values from 0.0–1.0:
- The left offset of the bounds.
- The top offset of the bounds.
- The width of the bounds.
- The height of the bounds.
If leftBounds
is not specified in the dictionary, the default value used is [0.5, 0.0, 0.5, 1.0]
.
Examples
// currently returns an empty array
var layers = vrDisplay.getLayers();
if(navigator.getVRDisplays) {
console.log('WebVR 1.1 supported');
// Then get the displays attached to the computer
navigator.getVRDisplays().then(function(displays) {
// If a display is available, use it to present the scene
if(displays.length > 0) {
vrDisplay = displays[0];
console.log('Display found');
// Starting the presentation when the button is clicked: It can only be called in response to a user gesture
btn.addEventListener('click', function() {
vrDisplay.requestPresent([{ source: canvas }]).then(function() {
console.log('Presenting to WebVR display');
// Here it returns an array of VRLayerInit objects
var layers = vrDisplay.getLayers();
...
});
});
}
});
}
VRLayerInit
objects look something like this:
{
leftBounds : [ ... ],
rightBounds: [ ... ],
source: canvasReference
}
Note: The canvasReference
refers to the <canvas>
element itself, not the WebGL context associated with the canvas. The other two members are arrays
Specifications
Specification | Status | Comment |
WebVR 1.1The definition of 'rightBounds' in that specification. | Draft | Initial definition |
Browser compatibility
Update compatibility data on GitHub
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Chrome
No support No |
Edge
No support ≤18 — 79 |
Firefox Full support 55 Full support 55 Notes' Windows support was enabled in Firefox 55. Full support 64 Notes' macOS support was enabled in Firefox 64. |
IE
No support No |
Opera
? |
Safari
No support No |
WebView Android
No support No |
Chrome Android No support 56 — 80 No support 56 — 80 Notes' Only works in an experimental version of Chrome. (Other builds won't return any devices when |
Firefox Android
Full support 55 |
Opera Android
? |
Safari iOS
? |
Samsung Internet Android Full support 6.0 Full support 6.0 Notes' Google Cardboard supported in Samsung Internet 7.0. |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.'
- Experimental. Expect behavior to change in the future.
- Deprecated. Not for use in new websites.'
- Deprecated. Not for use in new websites.
- See implementation notes.'
- See implementation notes.
- User must explicitly enable this feature.'
- User must explicitly enable this feature.
See also
- WebVR API homepage
- MozVr.com — demos, downloads, and other resources from the Mozilla VR team.
VRLayerInit.rightBounds by Mozilla Contributors is licensed under CC-BY-SA 2.5.