| <!doctype html> |
| <!-- |
| Copyright 2018 The Immersive Web Community Group |
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| 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: |
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| The above copyright notice and this permission notice shall be included in all |
| copies or substantial portions of the Software. |
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| 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'> |
| |
| <!-- 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>Room Scale</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> |
| |
| <script src='js/webxr-button.js'></script> |
| </head> |
| <body> |
| <header> |
| <details open> |
| <summary>Room Scale</summary> |
| <p> |
| This sample demonstrates using a 'stage' frame of reference to provide |
| room scale tracking. If stage bounds are provided by the XRDevice, they |
| will be represented as a green ground plane. |
| <a class="back" href="./">Back</a> |
| </p> |
| </summary> |
| </header> |
| <script type="module"> |
| import {Scene} from './js/cottontail/src/scenes/scene.js'; |
| import {Renderer, createWebGLContext} from './js/cottontail/src/core/renderer.js'; |
| import {Gltf2Node} from './js/cottontail/src/nodes/gltf2.js'; |
| import {QueryArgs} from './js/cottontail/src/util/query-args.js'; |
| import {FallbackHelper} from './js/cottontail/src/util/fallback-helper.js'; |
| import {SkyboxNode} from './js/cottontail/src/nodes/skybox.js'; |
| |
| // If requested, initialize the WebXR polyfill |
| if (QueryArgs.getBool('allowPolyfill', false)) { |
| var polyfill = new WebXRPolyfill(); |
| } |
| |
| // XR globals. |
| let xrButton = null; |
| let xrImmersiveRefSpace = null; |
| let xrNonImmersiveRefSpace = null; |
| |
| // WebGL scene globals. |
| let gl = null; |
| let renderer = null; |
| let scene = new Scene(); |
| scene.addNode(new Gltf2Node({url: '../media/gltf/camp/camp.gltf'})); |
| scene.addNode(new SkyboxNode({url: '../media/textures/eilenriede-park-2k.png'})); |
| scene.standingStats(true); |
| |
| function initXR() { |
| xrButton = new XRDeviceButton({ |
| onRequestSession: onRequestSession, |
| onEndSession: onEndSession |
| }); |
| document.querySelector('header').appendChild(xrButton.domElement); |
| |
| if (navigator.xr) { |
| navigator.xr.supportsSessionMode('immersive-vr').then(() => { |
| xrButton.enabled = true; |
| }); |
| |
| navigator.xr.requestSession().then(onSessionStarted); |
| } else { |
| initFallback(); |
| } |
| } |
| |
| function initFallback() { |
| initGL(); |
| document.body.appendChild(gl.canvas); |
| let fallbackHelper = new FallbackHelper(scene, gl); |
| fallbackHelper.emulateStage = true; |
| } |
| |
| function onRequestSession() { |
| navigator.xr.requestSession({ mode: 'immersive-vr' }).then((session) => { |
| xrButton.setSession(session); |
| onSessionStarted(session); |
| }); |
| } |
| |
| function initGL() { |
| if (gl) |
| return; |
| |
| gl = createWebGLContext({ |
| xrCompatible: true |
| }); |
| |
| renderer = new Renderer(gl); |
| |
| scene.setRenderer(renderer); |
| } |
| |
| function onSessionStarted(session) { |
| session.addEventListener('end', onSessionEnded); |
| |
| initGL(); |
| |
| let outputCanvas = document.createElement('canvas'); |
| document.body.appendChild(outputCanvas); |
| |
| session.updateRenderState({ |
| baseLayer: new XRWebGLLayer(session, gl), |
| outputContext: outputCanvas.getContext('xrpresent') |
| }); |
| |
| // Get a stage frame of reference, which will align the user's physical |
| // floor with Y=0 and can provide boundaries that indicate where the |
| // user can safely walk. If the system can't natively provide stage |
| // coordinates (for example, with a 3DoF device) then it will return an |
| // emulated stage, where the view is translated up by a static height so |
| // that the scene still renders in approximately the right place. |
| session.requestReferenceSpace({ type: 'stationary', subtype: 'floor-level' }).then((refSpace) => { |
| if (session.mode.startsWith('immersive')) { |
| xrImmersiveRefSpace = refSpace; |
| let boundsRenderer = new BoundsRenderer(); |
| boundsRenderer.stageBounds = refSpace.bounds; |
| scene.addNode(boundsRenderer); |
| } else { |
| xrNonImmersiveRefSpace = refSpace; |
| } |
| |
| session.requestAnimationFrame(onXRFrame); |
| }); |
| } |
| |
| function onEndSession(session) { |
| session.end(); |
| } |
| |
| function onSessionEnded(event) { |
| if (event.session.mode.startsWith('immersive')) { |
| xrButton.setSession(null); |
| } |
| |
| if (event.session.renderState.outputContext) { |
| document.body.removeChild(event.session.renderState.outputContext.canvas); |
| } |
| } |
| |
| function onXRFrame(t, frame) { |
| let session = frame.session; |
| let refSpace = session.mode.startsWith('immersive') ? |
| xrImmersiveRefSpace : |
| xrNonImmersiveRefSpace; |
| let pose = frame.getViewerPose(refSpace); |
| |
| scene.startFrame(); |
| |
| session.requestAnimationFrame(onXRFrame); |
| |
| // Every XR frame uses basically the same render loop, so for the sake |
| // of keeping the sample code focused on the interesting bits most |
| // samples after this one will start using this helper function to hide |
| // away the majority of the rendering logic. |
| scene.drawXRFrame(frame, pose); |
| |
| scene.endFrame(); |
| } |
| |
| // Start the XR application. |
| initXR(); |
| </script> |
| </body> |
| </html> |