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input-profiles-2.html
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<!doctype html>
<!--
Copyright 2018 The Immersive Web Community Group
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-->
<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'>
<link rel='icon' type='image/png' sizes='32x32' href='favicon-32x32.png'>
<link rel='icon' type='image/png' sizes='96x96' href='favicon-96x96.png'>
<link rel='stylesheet' href='css/common.css'>
<title>Input Tracking</title>
</head>
<body>
<header>
<details open>
<summary>Input Profiles</summary>
<p>
This sample uses the profiles array report by XRInputSources to
load an appropriate controller model from the
<a href='https://immersive-web.github.io/webxr-input-profiles/'>
webxr-input-profiles assets repository</a> using the
<a href='https://immersive-web.github.io/webxr-input-profiles/packages/motion-controllers/'>
motion-controller library</a>. While the controllers are articulated
and can be animated in response to device inputs this sample displays
them statically to reduce complexity.
<a class="back" href="./">Back</a>
</p>
</details>
</header>
<script type="module">
import {WebXRButton} from './js/util/webxr-button.js';
import {Scene} from './js/render/scenes/scene.js';
import {Renderer, createWebGLContext} from './js/render/core/renderer.js';
import {Gltf2Node} from './js/render/nodes/gltf2.js';
import {SkyboxNode} from './js/render/nodes/skybox.js';
import {vec3} from './js/render/math/gl-matrix.js';
import {Ray} from './js/render/math/ray.js';
import {InlineViewerHelper} from './js/util/inline-viewer-helper.js';
import {QueryArgs} from './js/util/query-args.js';
// This library matches XRInputSource profiles to available controller models for us.
import { fetchProfile } from 'https://cdn.jsdelivr.net/npm/@webxr-input-profiles/[email protected]/dist/motion-controllers.module.js';
// If requested, use the polyfill to provide support for mobile devices
// and devices which only support WebVR.
import WebXRPolyfill from './js/third-party/webxr-polyfill/build/webxr-polyfill.module.js';
if (QueryArgs.getBool('usePolyfill', true)) {
let polyfill = new WebXRPolyfill();
}
// The path of the CDN the sample will fetch controller models from.
const DEFAULT_PROFILES_PATH = 'https://cdn.jsdelivr.net/npm/@webxr-input-profiles/[email protected]/dist/profiles';
// XR globals.
let xrButton = null;
let xrImmersiveRefSpace = null;
let inlineViewerHelper = null;
// WebGL scene globals.
let gl = null;
let renderer = null;
let scene = new Scene();
//scene.addNode(new Gltf2Node({url: 'media/gltf/cave/cave.gltf'}));
//scene.addNode(new SkyboxNode({url: 'media/textures/eilenriede-park-2k.png'}));
scene.standingStats(true);
function initXR() {
xrButton = new WebXRButton({
onRequestSession: onRequestSession,
onEndSession: onEndSession
});
document.querySelector('header').appendChild(xrButton.domElement);
if (navigator.xr) {
navigator.xr.isSessionSupported('immersive-ar').then((supported) => {
xrButton.enabled = supported;
});
navigator.xr.requestSession('inline').then(onSessionStarted);
}
}
function initGL() {
if (gl)
return;
gl = createWebGLContext({
xrCompatible: true
});
document.body.appendChild(gl.canvas);
function onResize() {
gl.canvas.width = gl.canvas.clientWidth * window.devicePixelRatio;
gl.canvas.height = gl.canvas.clientHeight * window.devicePixelRatio;
}
window.addEventListener('resize', onResize);
onResize();
renderer = new Renderer(gl);
scene.setRenderer(renderer);
}
function onRequestSession() {
return navigator.xr.requestSession('immersive-ar', {
requiredFeatures: ['local-floor']
}).then((session) => {
xrButton.setSession(session);
session.isImmersive = true;
onSessionStarted(session);
});
}
function onSessionStarted(session) {
session.addEventListener('end', onSessionEnded);
session.addEventListener('inputsourceschange', onInputSourcesChange);
initGL();
let glLayer = new XRWebGLLayer(session, gl);
session.updateRenderState({ baseLayer: glLayer });
let refSpaceType = session.isImmersive ? 'local-floor' : 'viewer';
session.requestReferenceSpace(refSpaceType).then((refSpace) => {
if (session.isImmersive) {
xrImmersiveRefSpace = refSpace;
} else {
inlineViewerHelper = new InlineViewerHelper(gl.canvas, refSpace);
inlineViewerHelper.setHeight(1.6);
}
session.requestAnimationFrame(onXRFrame);
});
}
function onEndSession(session) {
session.end();
}
function onSessionEnded(event) {
if (event.session.isImmersive) {
xrButton.setSession(null);
}
}
function onInputSourcesChange(event) {
// As input sources are connected if they are tracked-pointer devices
// look up which meshes should be associated with their profile and
// load as the controller model for that hand.
for (let inputSource of event.added) {
if (inputSource.targetRayMode == 'tracked-pointer') {
// Use the fetchProfile method from the motionControllers library
// to find the appropriate glTF mesh path for this controller.
fetchProfile(inputSource, DEFAULT_PROFILES_PATH).then(({profile, assetPath}) => {
// Typically if you wanted to animate the controllers in response
// to device inputs you'd create a new MotionController() instance
// here to handle the animation, but this sample will skip that
// and only display a static mesh for simplicity.
if (assetPath.includes('generic-hand/left.glb')) {
assetPath = 'media/gltf/hands/left.glb';
}
if (assetPath.includes('generic-hand/right.glb')) {
assetPath = 'media/gltf/hands/right.glb';
}
scene.inputRenderer.setControllerMesh(new Gltf2Node({url: assetPath}), inputSource.handedness);
});
}
}
}
function updateInputSources(session, frame, refSpace) {
for (let inputSource of session.inputSources) {
let targetRayPose = frame.getPose(inputSource.targetRaySpace, refSpace);
if (!targetRayPose) {
continue;
}
if (inputSource.targetRayMode == 'tracked-pointer') {
scene.inputRenderer.addLaserPointer(targetRayPose.transform);
}
let targetRay = new Ray(targetRayPose.transform);
let cursorDistance = 2.0;
let cursorPos = vec3.fromValues(
targetRay.origin.x,
targetRay.origin.y,
targetRay.origin.z
);
vec3.add(cursorPos, cursorPos, [
targetRay.direction.x * cursorDistance,
targetRay.direction.y * cursorDistance,
targetRay.direction.z * cursorDistance,
]);
scene.inputRenderer.addCursor(cursorPos);
if (inputSource.gripSpace) {
let gripPose = frame.getPose(inputSource.gripSpace, refSpace);
if (gripPose) {
scene.inputRenderer.addController(gripPose.transform.matrix, inputSource.handedness);
}
}
}
}
function onXRFrame(t, frame) {
let session = frame.session;
let refSpace = session.isImmersive ?
xrImmersiveRefSpace :
inlineViewerHelper.referenceSpace;
let pose = frame.getViewerPose(refSpace);
scene.startFrame();
session.requestAnimationFrame(onXRFrame);
updateInputSources(session, frame, refSpace);
scene.drawXRFrame(frame, pose);
scene.endFrame();
}
// Start the XR application.
initXR();
</script>
</body>
</html>