Update version to 1.5.2 and update the relevant files after re-build.

README.md

@@ -252,7 +252,7 @@ git checkout master
 git merge dev
 
 # tag the release
-git tag 1.5.1
+git tag 1.5.2
 
 # push the tag on github
 git push origin --tags

aframe/build/aframe-ar.js

@@ -5253,7 +5253,7 @@ Object.assign( ARjs.Context.prototype, THREE.EventDispatcher.prototype );
 // ARjs.Context.baseURL = '../'
 // default to github page
 ARjs.Context.baseURL = 'https://jeromeetienne.github.io/AR.js/three.js/'
-ARjs.Context.REVISION = '1.5.1'
+ARjs.Context.REVISION = '1.5.2'
 
 
 
@@ -8230,6 +8230,12 @@ AFRAME.registerComponent('arjs-anchor', {
 			type: 'number',
 			default: 0.6,
 		},
+
+		// Whether to emit events when the element is found or lost.
+		emitevents: {
+			type: 'boolean',
+			default: false,
+		}
 	},
 	init: function () {
 		var _this = this
@@ -8347,7 +8353,16 @@ AFRAME.registerComponent('arjs-anchor', {
 		//		honor visibility
 		//////////////////////////////////////////////////////////////////////////////
 		if( _this._arAnchor.parameters.changeMatrixMode === 'modelViewMatrix' ){
+			var wasVisible = _this.el.object3D.visible
 			_this.el.object3D.visible = this._arAnchor.object3d.visible
+
+			if( _this.data.emitevents ){
+				if( _this.el.object3D.visible && !wasVisible ){
+					_this.el.emit('markerFound')
+				}else if( !_this.el.object3D.visible && wasVisible ){
+					_this.el.emit('markerLost')
+				}
+			}
 		}else if( _this._arAnchor.parameters.changeMatrixMode === 'cameraTransformMatrix' ){
 			_this.el.sceneEl.object3D.visible = this._arAnchor.object3d.visible
 		}else console.assert(false)
@@ -8404,6 +8419,7 @@ AFRAME.registerPrimitive('a-marker', AFRAME.utils.extendDeep({}, AFRAME.primitiv
 		'preset': 'arjs-anchor.preset',
 		'minConfidence': 'arjs-anchor.minConfidence',
 		'markerhelpers': 'arjs-anchor.markerhelpers',
+		'emitevents': 'arjs-anchor.emitevents',
 
 		'hit-testing-renderDebug': 'arjs-hit-testing.renderDebug',
 		'hit-testing-enabled': 'arjs-hit-testing.enabled',

babylon.js/build/babylon-ar.js

@@ -49363,7 +49363,7 @@ Object.assign( ARjs.Context.prototype, THREE.EventDispatcher.prototype );
 // ARjs.Context.baseURL = '../'
 // default to github page
 ARjs.Context.baseURL = 'https://jeromeetienne.github.io/AR.js/three.js/'
-ARjs.Context.REVISION = '1.5.1'
+ARjs.Context.REVISION = '1.5.2'
 
 
 

package.json

 {
   "name": "ar.js",
-  "version": "1.5.1",
+  "version": "1.5.2",
   "description": "Efficient Augmented Reality for the Web",
   "main": "three.js",
   "scripts": {

three.js/build/ar.js

@@ -5253,7 +5253,7 @@ Object.assign( ARjs.Context.prototype, THREE.EventDispatcher.prototype );
 // ARjs.Context.baseURL = '../'
 // default to github page
 ARjs.Context.baseURL = 'https://jeromeetienne.github.io/AR.js/three.js/'
-ARjs.Context.REVISION = '1.5.1'
+ARjs.Context.REVISION = '1.5.2'
 
 
 

three.js/src/threex/threex-artoolkitcontext.js

@@ -73,7 +73,7 @@ Object.assign( ARjs.Context.prototype, THREE.EventDispatcher.prototype );
 // ARjs.Context.baseURL = '../'
 // default to github page
 ARjs.Context.baseURL = 'https://jeromeetienne.github.io/AR.js/three.js/'
-ARjs.Context.REVISION = '1.5.1'
+ARjs.Context.REVISION = '1.5.2'
 
 
 

webvr-polyfill/build/artoolkit-webvr-polyfill.js

@@ -5253,7 +5253,7 @@ Object.assign( ARjs.Context.prototype, THREE.EventDispatcher.prototype );
 // ARjs.Context.baseURL = '../'
 // default to github page
 ARjs.Context.baseURL = 'https://jeromeetienne.github.io/AR.js/three.js/'
-ARjs.Context.REVISION = '1.5.1'
+ARjs.Context.REVISION = '1.5.2'