handle update on rayOrigin from mouse -> entity (#4760)

* handle update on rayOrigin from mouse -> entity

fixes issue #4759

* remove space

---------

Co-authored-by: Diego Marcos <diego.marcos@gmail.com>

Author: kylebakerio

src/components/cursor.js

@@ -86,6 +86,7 @@ module.exports.Component = registerComponent('cursor', {
 
   update: function (oldData) {
     if (this.data.rayOrigin === oldData.rayOrigin) { return; }
+    if (this.data.rayOrigin === 'entity') { this.resetRaycaster(); }
     this.updateMouseEventListeners();
     // Update the WebXR event listeners if needed
     if (this.data.rayOrigin === 'xrselect') {
@@ -220,6 +221,13 @@ module.exports.Component = registerComponent('cursor', {
     this.updateCanvasBounds();
   },
 
+  resetRaycaster: function () {
+    this.el.setAttribute('raycaster', {
+      direction: new THREE.Vector3().set(0, 0, -1),
+      origin: new THREE.Vector3()
+    });
+  },
+
   addWebXREventListeners: function () {
     var self = this;
     var xrSession = this.el.sceneEl.xrSession;