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text-code-xr-engine
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highlight on gaze and hint on moving children targets

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teleport
Fabien Benetou 3 weeks ago
parent 717ca1aba4
commit 55d8f2223b
2 changed files with 59 additions and 19 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 48
      index.html
  2. 30
      jxr-core.js

48
index.html
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@ -7,7 +7,7 @@
<script src="dependencies/a-console.js"></script>
<script src='dependencies/aframe-troika-text.min.js'></script>
<script src='dependencies/webdav.js'></script>
<script src='jxr-core.js?1234'></script>
<script src='jxr-core.js?123'></script>
<script src='jxr-postitnote.js?13235'></script>
</head>
<body>
@ -221,17 +221,29 @@ AFRAME.registerComponent('onemptypinch', { // changed from ondrop to be coherent
function onHoveredChangeColor(){
console.log( "onHoveredChangeOpacity" )
let target = document.getElementById('testboxpinch')
// could iterate over targets, see https://aframe.io/docs/1.5.0/components/cursor.html#configuring-the-cursor-through-the-raycaster-component
console.log ( "cursor-hovered?", target.states.includes( "cursor-hovered" ) )
if ( target.states.includes( "cursor-hovered" ) ){
console.log ( "yes, cursor-hovered" )
target.setAttribute("material", "color", "green")
//target.setAttribute("color", "red")
document.getElementById('rig').setAttribute('position', "4 0 -3")
// bug on hand pinch, even while checking on world position, might have to see older commit
}
// iterate over targets
// see instead of teleportable https://aframe.io/docs/1.5.0/components/cursor.html#configuring-the-cursor-through-the-raycaster-component
Array.from( document.querySelectorAll(".teleportable") ).map( target => {
if ( target.states.includes( "cursor-hovered" ) ){
target.setAttribute("material", "color", "magenta") // visited
document.getElementById('rig').setAttribute('position', target.getAttribute("position") )
}
})
}
AFRAME.registerComponent('highlight-on-gaze', {
init: function(){
this.el.setAttribute("opacity", .5)
},
events: {
mouseenter: function (e) {
this.el.setAttribute("opacity", .8)
},
mouseleave: function (e) {
this.el.setAttribute("opacity", .5)
}
}
});
let page = "Wiki.VirtualRealityInterface";
// should do then only once graph loaded instead, should emit event
@ -258,8 +270,8 @@ setTimeout( _ => {
<a-entity id="player" networked="template:#avatar-template;attachTemplateToLocal:false;"
hud camera look-controls wasd-controls position="0 1.6 0">
<a-entity cursor position="0 0 -1"
geometry="primitive: ring; radiusInner: 0.01; radiusOuter: 0.02"
material="color: black; shader: flat; opacity:.1;"
geometry="primitive: ring; radiusInner: 0.005; radiusOuter: 0.01"
material="color: black; shader: flat; opacity:.05;"
></a-entity>
</a-entity>
<a-entity id="rightHand" pinchprimary hand-tracking-controls="hand: right;"></a-entity>
@ -323,8 +335,14 @@ setTimeout( _ => {
<a-box scale=".2 .2 .2" position=".5 .8 -.3" color="yellow" ></a-box>
<a-entity id="testboxpinch" position="4 1 -4" geometry="primitive: box" material="color: blue"></a-entity>
<a-troika-text anchor=left value="jxr location.reload()" target position="4 1.30 -3.4" rotation="0 0 0" scale="0.1 0.1 0.1"></a-troika-text>
<a-box highlight-on-gaze id="testboxpinch" height=".1" class="teleportable" material="color: cyan" position="3.5 0 -3.5" ></a-box>
<a-box highlight-on-gaze id="testboxpinch2" height=".1" class="teleportable" material="color: cyan" position="-4 0 4" ></a-box>
<a-box highlight-on-gaze id="testboxpinchtop" height=".1" class="teleportable" material="color: cyan" position="3 3 4" >
<a-troika-text anchor=left value="jxr location.reload()" target position="0 1.30 -.5" rotation="0 0 0" scale="0.1 0.1 0.1"></a-troika-text>
<!-- works to execute but not to move, should either reparent or take into account the parent offset while moving -->
<!-- see pinchmoved in primary pinch in jxr-core.js as potential solution -->
</a-box>
<a-box highlight-on-gaze id="testboxpinchstart" height=".1" class="teleportable" material="color: cyan" position="0 0 0" ></a-box>
</a-scene>
</body>
</script>

30
jxr-core.js
Unescape View File

@ -208,6 +208,7 @@ AFRAME.registerComponent('pinchprimary', { // currently only 1 hand, the right o
let parentPos = document.getElementById('rig').getAttribute('position')
pos.add( parentPos )
selectedElement.setAttribute("position", pos )
// TODO get the world position of the selectedElement on pinchstarted then offset by that
document.querySelector("#rightHand").object3D.traverse( e => {
if (e.name == "ring-finger-tip"){
selectedElement.object3D.rotation.copy( e.rotation )
@ -608,11 +609,32 @@ function doublePinchToScale(){
}
// from https://aframe.io/aframe/examples/showcase/hand-tracking/pressable.js
// modified to support teleportation via #rig
AFRAME.registerComponent('pressable', {
schema:{pressDistance:{default:0.06}},
init:function(){this.worldPosition=new THREE.Vector3();this.handEls=document.querySelectorAll('[hand-tracking-controls]');this.pressed=false;},
tick:function(){var handEls=this.handEls;var handEl;var distance;for(var i=0;i<handEls.length;i++){handEl=handEls[i];distance=this.calculateFingerDistance(handEl.components['hand-tracking-controls'].indexTipPosition);if(distance<this.data.pressDistance){if(!this.pressed){this.el.emit('pressedstarted');} this.pressed=true;return;}} if(this.pressed){this.el.emit('pressedended');} this.pressed=false;},
calculateFingerDistance:function(fingerPosition){var el=this.el;var worldPosition=this.worldPosition;worldPosition.copy(el.object3D.position);el.object3D.parent.updateMatrixWorld();el.object3D.parent.localToWorld(worldPosition);return worldPosition.distanceTo(fingerPosition);}
tick:function(){
var handEls=this.handEls;var handEl;
var distance;
for(var i=0;i<handEls.length;i++){
handEl=handEls[i];distance=this.calculateFingerDistance(handEl.components['hand-tracking-controls'].indexTipPosition);
if(distance<this.data.pressDistance){
if(!this.pressed){this.el.emit('pressedstarted');}
this.pressed=true;return;}
}
if(this.pressed){this.el.emit('pressedended');}
this.pressed=false;
},
calculateFingerDistance:function(fingerPosition){
let parentPos = document.getElementById('rig').getAttribute('position')
fingerPosition.add( parentPos )
var el=this.el;
var worldPosition=this.worldPosition;
worldPosition.copy(el.object3D.position);
el.object3D.parent.updateMatrixWorld();
el.object3D.parent.localToWorld(worldPosition);
return worldPosition.distanceTo(fingerPosition);
}
});
AFRAME.registerComponent('start-on-press', {
@ -620,8 +642,8 @@ AFRAME.registerComponent('start-on-press', {
init: function(){
let el = this.el
this.el.addEventListener('pressedended', function (event) {
console.log(event)
// should ignore that if we entered XR recently
console.log(event)
// should ignore that if we entered XR recently
if (!primaryPinchStarted && wristShortcut.match(prefix)) interpretJXR(wristShortcut)
// seems to happen also when entering VR
// other action could possibly based on position relative to zones instead, i.e a list of bbox/functions pairs

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