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<html>
<head>
<meta charset='utf-8'>
<meta name='viewport' content='width=device-width, initial-scale=1, user-scalable=no'>
<meta name='mobile-web-app-capable' content='yes'>
<meta name='apple-mobile-web-app-capable' content='yes'>
<!-- Origin Trial Token, feature = WebXR Device API, origin = https://immersive-web.github.io, expires = 2018-08-28 -->
<meta http-equiv="origin-trial" data-feature="WebXR Device API" data-expires="2018-08-28" content="AnNpu7ceXvLew05ccD8Zr1OZsdZiB2hLQKK82kTTMDwF7oRKtP3QEJ4RzkeHrmB8Sq0vSV6ZNmszpBCZ0I8p9gAAAABceyJvcmlnaW4iOiJodHRwczovL2ltbWVyc2l2ZS13ZWIuZ2l0aHViLmlvOjQ0MyIsImZlYXR1cmUiOiJXZWJYUkRldmljZSIsImV4cGlyeSI6MTUzNTQxNDQwMH0=">
<title>Sponza</title>
<link href='../css/common.css' rel='stylesheet'></link>
<!--The polyfill is not needed for browser that have native API support,
but is linked by these samples for wider compatibility.-->
<!--script src='https://cdn.jsdelivr.net/npm/webxr-polyfill@latest/build/webxr-polyfill.js'></script-->
<script src='../js/webxr-polyfill.js'></script>
<!--This script patches up around implementation differences in past browser versions
so that the samples can always be written against the most recent spec changes.
It won't be necessary after the API has been officially shipped for a bit.-->
<script src='../js/webxr-version-shim.js'></script>
<script src='../js/cottontail/build/cottontail.js'></script>
<script src='../js/webxr-button.js'></script>
</head>
<body>
<header>
<details open>
<summary>Sponza</summary>
<p>
Loads a larger scene than other samples for performance testing.
<a class="back" href="./">Back</a>
</p>
</details>
</header>
<script>
(function () {
'use strict';
// If requested, initialize the WebXR polyfill
if (QueryArgs.getBool('allowPolyfill', false)) {
var polyfill = new WebXRPolyfill();
}
// Apply the version shim after the polyfill is instantiated, to ensure
// that the polyfill also gets patched if necessary.
var versionShim = new WebXRVersionShim();
// Temporary
let hideStats = QueryArgs.getBool('hideStats', false);
// XR globals.
let xrButton = null;
let xrImmersiveFrameOfRef = null;
let xrNonImmersiveFrameOfRef = null;
// WebGL scene globals.
let gl = null;
let renderer = null;
let scene = new Scene();
if (hideStats) {
scene.enableStats(false);
}
scene.addNode(new SkyboxNode({url: '../media/textures/eilenriede-park-2k.png'}));
let sponza = new Gltf2Node({url: '../media/gltf/sponza/Sponza.gltf'});
// Rotate the scene 90deg so that you start looking down the gallery.
quat.rotateY(sponza.rotation, sponza.rotation, Math.PI / 2.0);
scene.addNode(sponza);
scene.standingStats(true);
function initXR() {
xrButton = new XRDeviceButton({
onRequestSession: onRequestSession,
onEndSession: onEndSession
});
document.querySelector('header').appendChild(xrButton.domElement);
if (navigator.xr) {
navigator.xr.requestDevice().then((device) => {
device.supportsSession({immersive: true}).then(() => {
xrButton.setDevice(device);
});
let outputCanvas = document.createElement('canvas');
let ctx = outputCanvas.getContext('xrpresent');
device.requestSession({ outputContext: ctx })
.then((session) => {
document.body.appendChild(outputCanvas);
onSessionStarted(session);
});
}).catch(() => {
initFallback();
});
} else {
initFallback();
}
}
function initFallback() {
initGL();
document.body.appendChild(gl.canvas);
let fallbackHelper = new FallbackHelper(scene, gl);
fallbackHelper.emulateStage = true;
}
function initGL(compatibleDevice) {
if (gl)
return;
gl = createWebGLContext({
compatibleXRDevice: compatibleDevice
});
renderer = new Renderer(gl);
renderer.globalLightDir = [-0.2, -1.0, -0.2];
renderer.globalLightColor = [7.0, 7.0, 8.0];
scene.setRenderer(renderer);
scene.inputRenderer.setControllerMesh(new Gltf2Node({url: '../media/gltf/controller/controller.gltf'}));
}
function onRequestSession(device) {
// Set up a mirror canvas
let mirrorCanvas = document.createElement('canvas');
let ctx = mirrorCanvas.getContext('xrpresent');
mirrorCanvas.setAttribute('id', 'mirror-canvas');
document.body.appendChild(mirrorCanvas);
device.requestSession({ immersive: true, outputContext: ctx }).then((session) => {
xrButton.setSession(session);
onSessionStarted(session);
});
}
function onSessionStarted(session) {
session.addEventListener('end', onSessionEnded);
// By listening for the 'select' event we can find out when the user has
// performed some sort of primary input action and respond to it.
session.addEventListener('select', onSelect);
initGL(session.device);
session.baseLayer = new XRWebGLLayer(session, gl);
session.requestFrameOfReference('stage').then((frameOfRef) => {
if (session.immersive) {
xrImmersiveFrameOfRef = frameOfRef;
} else {
xrNonImmersiveFrameOfRef = frameOfRef;
}
session.requestAnimationFrame(onXRFrame);
});
}
function onSelect(ev) {
}
function onEndSession(session) {
session.end();
}
function onSessionEnded(event) {
if (event.session.immersive) {
document.body.removeChild(document.querySelector('#mirror-canvas'));
xrButton.setSession(null);
}
}
function onXRFrame(t, frame) {
let session = frame.session;
let frameOfRef = session.immersive ?
xrImmersiveFrameOfRef :
xrNonImmersiveFrameOfRef;
let pose = frame.getDevicePose(frameOfRef);
scene.startFrame();
session.requestAnimationFrame(onXRFrame);
scene.updateInputSources(frame, frameOfRef);
scene.drawXRFrame(frame, pose);
scene.endFrame();
}
// Start the XR application.
initXR();
})();
</script>
</body>
</html>