/
index.js
92 lines (76 loc) · 1.91 KB
/
index.js
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/* globals AFRAME, Event, THREE */
if (typeof AFRAME === 'undefined') {
throw new Error('Component attempted to register before AFRAME was available.');
}
/**
* Selected component for A-Frame.
*/
AFRAME.registerComponent('selectable', {
schema: { },
/**
* Called once when component is attached. Generally for initial setup.
*/
init: function () {
this.selected = null;
},
/**
* Called when component is attached and when component data changes.
* Generally modifies the entity based on the data.
*/
update: function (oldData) {
var self = this;
this.el.addEventListener('click', function (e) {
if (e.target === self.el) {
self.select(null);
return;
}
self.select(e.target);
});
},
select: function (entity) {
this.selected = entity;
var event = new Event('selected');
event.selected = this.selected;
this.el.dispatchEvent(event);
var obj = this.el.object3D;
if (this.bbox) {
obj.remove(this.bbox);
delete this.bbox;
}
if (this.selected) {
this.bbox = new THREE.BoundingBoxHelper(this.selected.object3D, '#ff7700');
this.bbox.update();
obj.add(this.bbox);
}
},
/**
* Called when a component is removed (e.g., via removeAttribute).
* Generally undoes all modifications to the entity.
*/
remove: function () {
if (this.bbox) {
this.el.object3D.remove(this.bbox);
}
// Unassign
this.selected = null;
this.bbox = null;
},
/**
* Called on each scene tick.
*/
tick: function (t) {
if (this.bbox) {
this.bbox.update();
}
},
/**
* Called when entity pauses.
* Use to stop or remove any dynamic or background behavior such as events.
*/
pause: function () { },
/**
* Called when entity resumes.
* Use to continue or add any dynamic or background behavior such as events.
*/
play: function () { }
});