Dominic Szablewski, @phoboslab
— Monday, February 2nd 2015

Xibalba & WebVR

WebVR is an effort of Mozilla and Google to enable Virtual Reality content on the web. Experimental builds of Chromium and Firefox that provide a JavaScript API for WebVR have been available for a while now.

My game Xibalba already provided a stereo rendering mode and supported an external tracking server to get orientation updates from the VR headset, but it was clumsy and only worked for the old Oculus Rift DK1. So I decided to ditch the old stereo rendering mode and implement WebVR proper.

Xibalba VR

WebVR handles the distortion for the Headset by itself. All you have to do is render your game into a side-by-side stereo format and request fullscreen mode on your Headset. Orientation updates are provided by a nice, clean API that's easily implemented in the game.

I also added support for the JavaScript Gamepad API with a Plugin for Impact – the game plays great with a XBox360 Gamepad, even if you don't have an Oculus Rift.

Play the game here:

If you have a DK2 but no WebVR enabled build of Chrome or Firefox, you can also try a standalone Windows version of the game. It's essentially a Chromium build bundled with the game and batch file to start it. Makes it a bit easier to get going.

Download: ~80mb

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