AFRAME.registerComponent('xd', { schema: { foo: { type:"string"} }, init: function () { if( Object.keys(this.el.components).length > 1 ) return // we collect a-entities which wish to be toggled in this.showElements() this.el.sceneEl.addEventListener('enter-vr',() => this.toggle(true) ) this.el.sceneEl.addEventListener('exit-vr', () => this.toggle(false) ) this.el.sceneEl.addEventListener('2D', () => this.showElements(false) ) this.el.sceneEl.addEventListener('3D', () => this.showElements(true) ) // toggle immersive with ESCAPE document.body.addEventListener('keydown', (e) => e.key == 'Escape' && this.toggle() ) document.head.innerHTML += `` this.events.launcher = () => this.toggle() }, showElements: function(state){ let els = [...document.querySelectorAll('[xd]')] els = els.filter( (el) => el != this.el ? el : null ) // filter out self els.map( (el) => el.setAttribute("visible", state ? "true" : false ) ) }, // draw a button so we can toggle apps between 2D / XR toggle: function(state){ state = state || !document.body.className.match(/XR/) document.body.classList[ state ? 'add' : 'remove'](['XR']) AFRAME.scenes[0].emit( state ? '3D' : '2D') }, manifest: { // HTML5 manifest to identify app to xrsh "short_name": "XD", "name": "2D/3D switcher", "icons": [], "id": "/?source=pwa", "start_url": "/?source=pwa", "background_color": "#3367D6", "display": "standalone", "scope": "/", "theme_color": "#3367D6", "category":"system", "shortcuts": [ { "name": "What is the latest news?", "cli":{ "usage": "helloworld [options]", "example": "helloworld news", "args":{ "--latest": {type:"string"} } }, "short_name": "Today", "description": "View weather information for today", "url": "/today?source=pwa", "icons": [{ "src": "/images/today.png", "sizes": "192x192" }] } ], "description": "use ESC-key to toggle between 2D / 3D", "screenshots": [ { "src": "/images/screenshot1.png", "type": "image/png", "sizes": "540x720", "form_factor": "narrow" } ], "help":` Helloworld application This is a help file which describes the application. It will be rendered thru troika text, and will contain headers based on non-punctualized lines separated by linebreaks, in above's case "\nHelloworld application\n" will qualify as header. ` } }); AFRAME.utils.XD = function(){ return document.body.classList.contains('XR') ? '3D' : '2D' } AFRAME.utils.XD.getPositionInFrontOfCamera = function(distance){ const camera = AFRAME.scenes[0].camera; let pos = new THREE.Vector3() let direction = new THREE.Vector3(); // Get camera's forward direction (without rotation) camera.getWorldDirection(direction); camera.getWorldPosition(pos) direction.normalize(); // Scale the direction by 1 meter if( !distance ) distance = 1.5 direction.multiplyScalar(distance); // Add the camera's position to the scaled direction to get the target point pos.add(direction); return pos }