better AR support (auto-publishes #AR to the hashbus)

.github/workflows/website.yml

@@ -41,7 +41,7 @@ jobs:
       - name: create index.gltf 
         run: cp example/assets/query.gltf index.gltf
       - name: copy gltfs 
-        run: cp example/assets/*.gltf .
+        run: cp example/assets/*.{gltf,glb} .
       #  working-directory: ./
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v1

dist/xrfragment.aframe.all.js

@@ -1,5 +1,5 @@
 /*
- * v0.5.1 generated at Thu Dec  7 10:14:06 PM CET 2023
+ * v0.5.1 generated at Fri Dec  8 01:31:41 PM CET 2023
  * https://xrfragment.org
  * SPDX-License-Identifier: MPL-2.0
  */
@@ -784,7 +784,8 @@ let pub = function( url, model, flags ){  // evaluate fragments in url
   return frag
 }
 
-pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) inside mesh of model 
+// deprecated: (XR Macros) evaluate embedded fragments (metadata) inside mesh of model *REMOVEME*
+pub.mesh     = (mesh,model) => { 
   if( mesh.userData ){
     let frag = {}
     for( let k in mesh.userData ) xrf.Parser.parse( k, mesh.userData[k], frag )
@@ -792,7 +793,7 @@ pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) insid
       let opts = {frag, mesh, model, camera: xrf.camera, scene: model.scene, renderer: xrf.renderer, THREE: xrf.THREE, hashbus: xrf.hashbus }
       mesh.userData.XRF = frag // allow fragment impl to access XRF obj already
       xrf.emit('frag2mesh',opts)
-      .then( () => pub.fragment(k,opts) )
+      .then( () => pub.fragment(k, {...opts, skipXRWG:true}) )
     }
   }
 }
@@ -800,7 +801,7 @@ pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) insid
 pub.fragment = (k, opts ) => { // evaluate one fragment
   let frag = opts.frag[k];
 
-  if( frag.is( xrf.XRF.PV_EXECUTE ) ) pub.XRWG({...opts,frag})
+  if( !opts.skipXRWG && frag.is( xrf.XRF.PV_EXECUTE ) ) pub.XRWG(opts)
 
   // call native function (xrf/env.js e.g.), or pass it to user decorator
   xrf.emit(k,opts)
@@ -992,9 +993,8 @@ xrf.navigator.to = (url,flags,loader,data) => {
       // spec: 1. execute the default predefined view '#' (if exist) (https://xrfragment.org/#predefined_view)
       xrf.frag.defaultPredefinedViews({model,scene:model.scene})
       // spec: 2. init metadata
-      // spec: predefined view(s) from URL (https://xrfragment.org/#predefined_view)
+      // spec: predefined view(s) & objects-of-interest-in-XRWG from URL (https://xrfragment.org/#predefined_view)
       let frag = hashbus.pub( url, model) // and eval URI XR fragments 
-      hashbus.pub.XRWG({model,scene:model.scene,frag})
 
       xrf.add( model.scene )
       xrf.navigator.updateHash(hash)
@@ -1789,22 +1789,17 @@ xrf.frag.defaultPredefinedViews = (opts) => {
     if( n.userData && n.userData['#'] ){
       let frag = xrf.URI.parse( n.userData['#'] )
       xrf.hashbus.pub( n.userData['#'] )          // evaluate static XR fragments
-      xrf.hashbus.pub.XRWG({frag,model,scene})    // evaluate dynamic XR fragment using XRWG (see spec)
     }
   })
 }
 
 // react to enduser typing url
-xrf.addEventListener('hash', (opts) => {
+xrf.addEventListener('hash', (opts) => xrf.hashbus.pub( opts.hash ) )
-  let frag = xrf.URI.parse( opts.hash )
-  xrf.hashbus.pub.XRWG({frag,scene:xrf.scene})
-}) 
 
 // clicking href url with predefined view 
 xrf.addEventListener('href', (opts) => {
   if( !opts.click || opts.xrf.string[0] != '#' ) return 
-  let frag = xrf.URI.parse( opts.xrf.string, xrf.XRF.NAVIGATOR | xrf.XRF.PV_OVERRIDE | xrf.XRF.METADATA )
+  xrf.hashbus.pub( opts.xrf.string )
-  xrf.hashbus.pub.XRWG({frag,scene:xrf.scene,href:opts.xrf})
 }) 
 xrf.addEventListener('dynamicKeyValue', (opts) => {
   let {scene,match,v} = opts
@@ -2642,10 +2637,10 @@ window.AFRAME.registerComponent('xrf', {
 
       if( document.location.host.match(/localhost/) ) document.querySelector('a-scene').setAttribute("stats",'')
 
-      document.querySelector('a-scene').addEventListener('loaded', () => {
+      let aScene = document.querySelector('a-scene')
+      aScene.addEventListener('loaded', () => {
 
         // enable XR fragments
-        let aScene = document.querySelector('a-scene')
         let XRF = AFRAME.XRF = xrf.init({
           THREE,
           camera:    aScene.camera,
@@ -2658,6 +2653,12 @@ window.AFRAME.registerComponent('xrf', {
         })
         if( !XRF.camera ) throw 'xrfragment: no camera detected, please declare <a-entity camera..> ABOVE entities with xrf-attributes'
 
+        // this is just for convenience (not part of spec): hide/show stuff based on VR/AR tags in 3D model 
+        ARbutton = document.querySelector('.a-enter-ar-button')
+        VRbutton = document.querySelector('.a-enter-vr-button')
+        if( ARbutton ) ARbutton.addEventListener('click', () => AFRAME.XRF.hashbus.pub( '#AR' ) )
+        if( VRbutton ) VRbutton.addEventListener('click', () => AFRAME.XRF.hashbus.pub( '#VR' ) )
+
         xrf.addEventListener('navigateLoaded', () => {
           setTimeout( () => AFRAME.fade.out(),500) 
 

dist/xrfragment.aframe.js

@@ -1,5 +1,5 @@
 /*
- * v0.5.1 generated at Thu Dec  7 10:14:06 PM CET 2023
+ * v0.5.1 generated at Fri Dec  8 01:31:41 PM CET 2023
  * https://xrfragment.org
  * SPDX-License-Identifier: MPL-2.0
  */
@@ -778,7 +778,8 @@ let pub = function( url, model, flags ){  // evaluate fragments in url
   return frag
 }
 
-pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) inside mesh of model 
+// deprecated: (XR Macros) evaluate embedded fragments (metadata) inside mesh of model *REMOVEME*
+pub.mesh     = (mesh,model) => { 
   if( mesh.userData ){
     let frag = {}
     for( let k in mesh.userData ) xrf.Parser.parse( k, mesh.userData[k], frag )
@@ -786,7 +787,7 @@ pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) insid
       let opts = {frag, mesh, model, camera: xrf.camera, scene: model.scene, renderer: xrf.renderer, THREE: xrf.THREE, hashbus: xrf.hashbus }
       mesh.userData.XRF = frag // allow fragment impl to access XRF obj already
       xrf.emit('frag2mesh',opts)
-      .then( () => pub.fragment(k,opts) )
+      .then( () => pub.fragment(k, {...opts, skipXRWG:true}) )
     }
   }
 }
@@ -794,7 +795,7 @@ pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) insid
 pub.fragment = (k, opts ) => { // evaluate one fragment
   let frag = opts.frag[k];
 
-  if( frag.is( xrf.XRF.PV_EXECUTE ) ) pub.XRWG({...opts,frag})
+  if( !opts.skipXRWG && frag.is( xrf.XRF.PV_EXECUTE ) ) pub.XRWG(opts)
 
   // call native function (xrf/env.js e.g.), or pass it to user decorator
   xrf.emit(k,opts)
@@ -986,9 +987,8 @@ xrf.navigator.to = (url,flags,loader,data) => {
       // spec: 1. execute the default predefined view '#' (if exist) (https://xrfragment.org/#predefined_view)
       xrf.frag.defaultPredefinedViews({model,scene:model.scene})
       // spec: 2. init metadata
-      // spec: predefined view(s) from URL (https://xrfragment.org/#predefined_view)
+      // spec: predefined view(s) & objects-of-interest-in-XRWG from URL (https://xrfragment.org/#predefined_view)
       let frag = hashbus.pub( url, model) // and eval URI XR fragments 
-      hashbus.pub.XRWG({model,scene:model.scene,frag})
 
       xrf.add( model.scene )
       xrf.navigator.updateHash(hash)
@@ -1783,22 +1783,17 @@ xrf.frag.defaultPredefinedViews = (opts) => {
     if( n.userData && n.userData['#'] ){
       let frag = xrf.URI.parse( n.userData['#'] )
       xrf.hashbus.pub( n.userData['#'] )          // evaluate static XR fragments
-      xrf.hashbus.pub.XRWG({frag,model,scene})    // evaluate dynamic XR fragment using XRWG (see spec)
     }
   })
 }
 
 // react to enduser typing url
-xrf.addEventListener('hash', (opts) => {
+xrf.addEventListener('hash', (opts) => xrf.hashbus.pub( opts.hash ) )
-  let frag = xrf.URI.parse( opts.hash )
-  xrf.hashbus.pub.XRWG({frag,scene:xrf.scene})
-}) 
 
 // clicking href url with predefined view 
 xrf.addEventListener('href', (opts) => {
   if( !opts.click || opts.xrf.string[0] != '#' ) return 
-  let frag = xrf.URI.parse( opts.xrf.string, xrf.XRF.NAVIGATOR | xrf.XRF.PV_OVERRIDE | xrf.XRF.METADATA )
+  xrf.hashbus.pub( opts.xrf.string )
-  xrf.hashbus.pub.XRWG({frag,scene:xrf.scene,href:opts.xrf})
 }) 
 xrf.addEventListener('dynamicKeyValue', (opts) => {
   let {scene,match,v} = opts
@@ -2636,10 +2631,10 @@ window.AFRAME.registerComponent('xrf', {
 
       if( document.location.host.match(/localhost/) ) document.querySelector('a-scene').setAttribute("stats",'')
 
-      document.querySelector('a-scene').addEventListener('loaded', () => {
+      let aScene = document.querySelector('a-scene')
+      aScene.addEventListener('loaded', () => {
 
         // enable XR fragments
-        let aScene = document.querySelector('a-scene')
         let XRF = AFRAME.XRF = xrf.init({
           THREE,
           camera:    aScene.camera,
@@ -2652,6 +2647,12 @@ window.AFRAME.registerComponent('xrf', {
         })
         if( !XRF.camera ) throw 'xrfragment: no camera detected, please declare <a-entity camera..> ABOVE entities with xrf-attributes'
 
+        // this is just for convenience (not part of spec): hide/show stuff based on VR/AR tags in 3D model 
+        ARbutton = document.querySelector('.a-enter-ar-button')
+        VRbutton = document.querySelector('.a-enter-vr-button')
+        if( ARbutton ) ARbutton.addEventListener('click', () => AFRAME.XRF.hashbus.pub( '#AR' ) )
+        if( VRbutton ) VRbutton.addEventListener('click', () => AFRAME.XRF.hashbus.pub( '#VR' ) )
+
         xrf.addEventListener('navigateLoaded', () => {
           setTimeout( () => AFRAME.fade.out(),500) 
 

dist/xrfragment.three.js

@@ -1,5 +1,5 @@
 /*
- * v0.5.1 generated at Thu Dec  7 10:14:06 PM CET 2023
+ * v0.5.1 generated at Fri Dec  8 01:31:41 PM CET 2023
  * https://xrfragment.org
  * SPDX-License-Identifier: MPL-2.0
  */
@@ -778,7 +778,8 @@ let pub = function( url, model, flags ){  // evaluate fragments in url
   return frag
 }
 
-pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) inside mesh of model 
+// deprecated: (XR Macros) evaluate embedded fragments (metadata) inside mesh of model *REMOVEME*
+pub.mesh     = (mesh,model) => { 
   if( mesh.userData ){
     let frag = {}
     for( let k in mesh.userData ) xrf.Parser.parse( k, mesh.userData[k], frag )
@@ -786,7 +787,7 @@ pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) insid
       let opts = {frag, mesh, model, camera: xrf.camera, scene: model.scene, renderer: xrf.renderer, THREE: xrf.THREE, hashbus: xrf.hashbus }
       mesh.userData.XRF = frag // allow fragment impl to access XRF obj already
       xrf.emit('frag2mesh',opts)
-      .then( () => pub.fragment(k,opts) )
+      .then( () => pub.fragment(k, {...opts, skipXRWG:true}) )
     }
   }
 }
@@ -794,7 +795,7 @@ pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) insid
 pub.fragment = (k, opts ) => { // evaluate one fragment
   let frag = opts.frag[k];
 
-  if( frag.is( xrf.XRF.PV_EXECUTE ) ) pub.XRWG({...opts,frag})
+  if( !opts.skipXRWG && frag.is( xrf.XRF.PV_EXECUTE ) ) pub.XRWG(opts)
 
   // call native function (xrf/env.js e.g.), or pass it to user decorator
   xrf.emit(k,opts)
@@ -986,9 +987,8 @@ xrf.navigator.to = (url,flags,loader,data) => {
       // spec: 1. execute the default predefined view '#' (if exist) (https://xrfragment.org/#predefined_view)
       xrf.frag.defaultPredefinedViews({model,scene:model.scene})
       // spec: 2. init metadata
-      // spec: predefined view(s) from URL (https://xrfragment.org/#predefined_view)
+      // spec: predefined view(s) & objects-of-interest-in-XRWG from URL (https://xrfragment.org/#predefined_view)
       let frag = hashbus.pub( url, model) // and eval URI XR fragments 
-      hashbus.pub.XRWG({model,scene:model.scene,frag})
 
       xrf.add( model.scene )
       xrf.navigator.updateHash(hash)
@@ -1783,22 +1783,17 @@ xrf.frag.defaultPredefinedViews = (opts) => {
     if( n.userData && n.userData['#'] ){
       let frag = xrf.URI.parse( n.userData['#'] )
       xrf.hashbus.pub( n.userData['#'] )          // evaluate static XR fragments
-      xrf.hashbus.pub.XRWG({frag,model,scene})    // evaluate dynamic XR fragment using XRWG (see spec)
     }
   })
 }
 
 // react to enduser typing url
-xrf.addEventListener('hash', (opts) => {
+xrf.addEventListener('hash', (opts) => xrf.hashbus.pub( opts.hash ) )
-  let frag = xrf.URI.parse( opts.hash )
-  xrf.hashbus.pub.XRWG({frag,scene:xrf.scene})
-}) 
 
 // clicking href url with predefined view 
 xrf.addEventListener('href', (opts) => {
   if( !opts.click || opts.xrf.string[0] != '#' ) return 
-  let frag = xrf.URI.parse( opts.xrf.string, xrf.XRF.NAVIGATOR | xrf.XRF.PV_OVERRIDE | xrf.XRF.METADATA )
+  xrf.hashbus.pub( opts.xrf.string )
-  xrf.hashbus.pub.XRWG({frag,scene:xrf.scene,href:opts.xrf})
 }) 
 xrf.addEventListener('dynamicKeyValue', (opts) => {
   let {scene,match,v} = opts

dist/xrfragment.three.module.js

@@ -1,5 +1,5 @@
 /*
- * v0.5.1 generated at Thu Dec  7 10:14:06 PM CET 2023
+ * v0.5.1 generated at Fri Dec  8 01:31:41 PM CET 2023
  * https://xrfragment.org
  * SPDX-License-Identifier: MPL-2.0
  */
@@ -778,7 +778,8 @@ let pub = function( url, model, flags ){  // evaluate fragments in url
   return frag
 }
 
-pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) inside mesh of model 
+// deprecated: (XR Macros) evaluate embedded fragments (metadata) inside mesh of model *REMOVEME*
+pub.mesh     = (mesh,model) => { 
   if( mesh.userData ){
     let frag = {}
     for( let k in mesh.userData ) xrf.Parser.parse( k, mesh.userData[k], frag )
@@ -786,7 +787,7 @@ pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) insid
       let opts = {frag, mesh, model, camera: xrf.camera, scene: model.scene, renderer: xrf.renderer, THREE: xrf.THREE, hashbus: xrf.hashbus }
       mesh.userData.XRF = frag // allow fragment impl to access XRF obj already
       xrf.emit('frag2mesh',opts)
-      .then( () => pub.fragment(k,opts) )
+      .then( () => pub.fragment(k, {...opts, skipXRWG:true}) )
     }
   }
 }
@@ -794,7 +795,7 @@ pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) insid
 pub.fragment = (k, opts ) => { // evaluate one fragment
   let frag = opts.frag[k];
 
-  if( frag.is( xrf.XRF.PV_EXECUTE ) ) pub.XRWG({...opts,frag})
+  if( !opts.skipXRWG && frag.is( xrf.XRF.PV_EXECUTE ) ) pub.XRWG(opts)
 
   // call native function (xrf/env.js e.g.), or pass it to user decorator
   xrf.emit(k,opts)
@@ -986,9 +987,8 @@ xrf.navigator.to = (url,flags,loader,data) => {
       // spec: 1. execute the default predefined view '#' (if exist) (https://xrfragment.org/#predefined_view)
       xrf.frag.defaultPredefinedViews({model,scene:model.scene})
       // spec: 2. init metadata
-      // spec: predefined view(s) from URL (https://xrfragment.org/#predefined_view)
+      // spec: predefined view(s) & objects-of-interest-in-XRWG from URL (https://xrfragment.org/#predefined_view)
       let frag = hashbus.pub( url, model) // and eval URI XR fragments 
-      hashbus.pub.XRWG({model,scene:model.scene,frag})
 
       xrf.add( model.scene )
       xrf.navigator.updateHash(hash)
@@ -1783,22 +1783,17 @@ xrf.frag.defaultPredefinedViews = (opts) => {
     if( n.userData && n.userData['#'] ){
       let frag = xrf.URI.parse( n.userData['#'] )
       xrf.hashbus.pub( n.userData['#'] )          // evaluate static XR fragments
-      xrf.hashbus.pub.XRWG({frag,model,scene})    // evaluate dynamic XR fragment using XRWG (see spec)
     }
   })
 }
 
 // react to enduser typing url
-xrf.addEventListener('hash', (opts) => {
+xrf.addEventListener('hash', (opts) => xrf.hashbus.pub( opts.hash ) )
-  let frag = xrf.URI.parse( opts.hash )
-  xrf.hashbus.pub.XRWG({frag,scene:xrf.scene})
-}) 
 
 // clicking href url with predefined view 
 xrf.addEventListener('href', (opts) => {
   if( !opts.click || opts.xrf.string[0] != '#' ) return 
-  let frag = xrf.URI.parse( opts.xrf.string, xrf.XRF.NAVIGATOR | xrf.XRF.PV_OVERRIDE | xrf.XRF.METADATA )
+  xrf.hashbus.pub( opts.xrf.string )
-  xrf.hashbus.pub.XRWG({frag,scene:xrf.scene,href:opts.xrf})
 }) 
 xrf.addEventListener('dynamicKeyValue', (opts) => {
   let {scene,match,v} = opts

example/aframe/sandbox/index.html

@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
   <head>
-    <title>AFRAME - xrfragment sandbox</title>
+    <title>XR Fragments aframe viewer</title>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
 
@@ -28,7 +28,7 @@
     <textarea style="display:none"></textarea>
     <canvas id="qrcode" style="display:none" width="300" height="300"></canvas>
 
-    <a-scene renderer="colorManagement: true; highRefreshRate:true" light="defaultLightsEnabled: false">
+    <a-scene xr-mode-ui="XRMode: xr"  renderer="colorManagement: true; highRefreshRate:true" light="defaultLightsEnabled: false">
       <a-entity id="player">
         <a-entity camera="fov:90" position="0 1.6 0" wasd-controls look-controls id="camera"></a-entity>
         <a-entity id="left-hand"  laser-controls="hand: left" raycaster="objects:.ray" blink-controls="cameraRig:#player; teleportOrigin: #camera; collisionEntities: .floor">

make

@@ -140,13 +140,14 @@ repos(){
     echo " "
   }
 
-  release_dir aframe xrfragment-aframe-helloworld aframe
+  release_dir aframe xrfragment-aframe-helloworld 
-  release_dir three  xrfragment-three-helloworld three.module
+  release_dir three  xrfragment-three-helloworld 
-  release_dir aframe xrfragment-helloworld aframe.all
+  release_dir aframe xrfragment-helloworld
 
   # remove aframe reference
   sed -i 's|<script src="https:\/\/aframe.*||g' ../xrfragment-helloworld/index.html
   sed -i 's|<script src=".*blink-controls.*||g' ../xrfragment-helloworld/index.html
+  sed -i 's|aframe\.js|aframe.all.js|g'         ../xrfragment-helloworld/index.html
 }
 
 test -z $1 && build 

src/3rd/js/aframe/index.js

@@ -11,10 +11,10 @@ window.AFRAME.registerComponent('xrf', {
 
       if( document.location.host.match(/localhost/) ) document.querySelector('a-scene').setAttribute("stats",'')
 
-      document.querySelector('a-scene').addEventListener('loaded', () => {
+      let aScene = document.querySelector('a-scene')
+      aScene.addEventListener('loaded', () => {
 
         // enable XR fragments
-        let aScene = document.querySelector('a-scene')
         let XRF = AFRAME.XRF = xrf.init({
           THREE,
           camera:    aScene.camera,
@@ -27,6 +27,12 @@ window.AFRAME.registerComponent('xrf', {
         })
         if( !XRF.camera ) throw 'xrfragment: no camera detected, please declare <a-entity camera..> ABOVE entities with xrf-attributes'
 
+        // this is just for convenience (not part of spec): hide/show stuff based on VR/AR tags in 3D model 
+        ARbutton = document.querySelector('.a-enter-ar-button')
+        VRbutton = document.querySelector('.a-enter-vr-button')
+        if( ARbutton ) ARbutton.addEventListener('click', () => AFRAME.XRF.hashbus.pub( '#AR' ) )
+        if( VRbutton ) VRbutton.addEventListener('click', () => AFRAME.XRF.hashbus.pub( '#VR' ) )
+
         xrf.addEventListener('navigateLoaded', () => {
           setTimeout( () => AFRAME.fade.out(),500) 
 

src/3rd/js/three/hashbus.js

@@ -19,7 +19,8 @@ let pub = function( url, model, flags ){  // evaluate fragments in url
   return frag
 }
 
-pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) inside mesh of model 
+// deprecated: (XR Macros) evaluate embedded fragments (metadata) inside mesh of model *REMOVEME*
+pub.mesh     = (mesh,model) => { 
   if( mesh.userData ){
     let frag = {}
     for( let k in mesh.userData ) xrf.Parser.parse( k, mesh.userData[k], frag )
@@ -27,7 +28,7 @@ pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) insid
       let opts = {frag, mesh, model, camera: xrf.camera, scene: model.scene, renderer: xrf.renderer, THREE: xrf.THREE, hashbus: xrf.hashbus }
       mesh.userData.XRF = frag // allow fragment impl to access XRF obj already
       xrf.emit('frag2mesh',opts)
-      .then( () => pub.fragment(k,opts) )
+      .then( () => pub.fragment(k, {...opts, skipXRWG:true}) )
     }
   }
 }
@@ -35,7 +36,7 @@ pub.mesh     = (mesh,model) => { // evaluate embedded fragments (metadata) insid
 pub.fragment = (k, opts ) => { // evaluate one fragment
   let frag = opts.frag[k];
 
-  if( frag.is( xrf.XRF.PV_EXECUTE ) ) pub.XRWG({...opts,frag})
+  if( !opts.skipXRWG && frag.is( xrf.XRF.PV_EXECUTE ) ) pub.XRWG(opts)
 
   // call native function (xrf/env.js e.g.), or pass it to user decorator
   xrf.emit(k,opts)

src/3rd/js/three/navigator.js

@@ -36,9 +36,8 @@ xrf.navigator.to = (url,flags,loader,data) => {
       // spec: 1. execute the default predefined view '#' (if exist) (https://xrfragment.org/#predefined_view)
       xrf.frag.defaultPredefinedViews({model,scene:model.scene})
       // spec: 2. init metadata
-      // spec: predefined view(s) from URL (https://xrfragment.org/#predefined_view)
+      // spec: predefined view(s) & objects-of-interest-in-XRWG from URL (https://xrfragment.org/#predefined_view)
       let frag = hashbus.pub( url, model) // and eval URI XR fragments 
-      hashbus.pub.XRWG({model,scene:model.scene,frag})
 
       xrf.add( model.scene )
       xrf.navigator.updateHash(hash)

src/3rd/js/three/xrf/dynamic/index.js

@@ -4,20 +4,15 @@ xrf.frag.defaultPredefinedViews = (opts) => {
     if( n.userData && n.userData['#'] ){
       let frag = xrf.URI.parse( n.userData['#'] )
       xrf.hashbus.pub( n.userData['#'] )          // evaluate static XR fragments
-      xrf.hashbus.pub.XRWG({frag,model,scene})    // evaluate dynamic XR fragment using XRWG (see spec)
     }
   })
 }
 
 // react to enduser typing url
-xrf.addEventListener('hash', (opts) => {
+xrf.addEventListener('hash', (opts) => xrf.hashbus.pub( opts.hash ) )
-  let frag = xrf.URI.parse( opts.hash )
-  xrf.hashbus.pub.XRWG({frag,scene:xrf.scene})
-}) 
 
 // clicking href url with predefined view 
 xrf.addEventListener('href', (opts) => {
   if( !opts.click || opts.xrf.string[0] != '#' ) return 
-  let frag = xrf.URI.parse( opts.xrf.string, xrf.XRF.NAVIGATOR | xrf.XRF.PV_OVERRIDE | xrf.XRF.METADATA )
+  xrf.hashbus.pub( opts.xrf.string )
-  xrf.hashbus.pub.XRWG({frag,scene:xrf.scene,href:opts.xrf})
 }) 

src/3rd/js/three/xrf/t.js

@@ -1,7 +1,10 @@
 xrf.frag.t = function(v, opts){
   let { frag, mesh, model, camera, scene, renderer, THREE} = opts
   if( !model.mixer ) return 
-  if( !model.animations || model.animations[0] == undefined ) return console.warn('no animation in scene')
+  if( !model.animations || model.animations[0] == undefined ){
+    console.warn('no animations found in model')
+    return xrf.emit( v.x == 0 ? 'stop' : 'play',{isPlaying: v.x != 0 })
+  }
 
   xrf.mixers.map ( (mixer) => {