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