From a790b16638a525c9383a8c6234d0ddc9d17923a4 Mon Sep 17 00:00:00 2001
From: flyandi <flyandi@yahoo.com>
Date: Thu, 18 Feb 2021 23:29:56 -0800
Subject: [PATCH] Adds position debug via event

---
 src/viewer/Viewer.js | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/viewer/Viewer.js b/src/viewer/Viewer.js
index 664183a7..6e475bcd 100644
--- a/src/viewer/Viewer.js
+++ b/src/viewer/Viewer.js
@@ -34,7 +34,7 @@ import TWEEN from '@tweenjs/tween.js';
  * @param {boolean} [options.autoReticleSelect=true] - Auto select a clickable target after dwellTime
  * @param {boolean} [options.viewIndicator=false] - Adds an angle view indicator in upper left corner
  * @param {number}  [options.indicatorSize=30] - Size of View Indicator
- * @param {string}  [options.output='none'] - Whether and where to output raycast position. Could be 'console' or 'overlay'
+ * @param {string}  [options.output='none'] - Whether and where to output raycast position. Could be 'event', 'console' or 'overlay'.
  * @param {boolean} [options.autoRotate=false] - Auto rotate
  * @param {number}  [options.autoRotateSpeed=2.0] - Auto rotate speed as in degree per second. Positive is counter-clockwise and negative is clockwise.
  * @param {number}  [options.autoRotateActivationDuration=5000] - Duration before auto rotatation when no user interactivity in ms
@@ -1306,12 +1306,22 @@ Viewer.prototype = Object.assign( Object.create( THREE.EventDispatcher.prototype
             const world = this.panorama.getWorldPosition( new THREE.Vector3() );
             point.sub( world ).multiply( converter );
 
-            const message = `${point.x.toFixed(2)}, ${point.y.toFixed(2)}, ${point.z.toFixed(2)}`;
+            const position = {
+                x: point.x.toFixed(2),
+                y: point.y.toFixed(2),
+                z: point.z.toFixed(2),
+            };
+
+            const message = `${position.x}, ${position.y}, ${position.z}`;
 
             if ( point.length() === 0 ) { return; }
 
             switch ( this.options.output ) {
 
+            case 'event':
+                this.dispatchEvent( { type: 'position-update', position: position } );
+                break;
+
             case 'console':
                 console.info( message );
                 break;