fix mousewheel zoom on firefox

jeyoder · May 31, 2015 · a210e45 · a210e45
1 parent 7b0d74b
commit a210e45
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/web-root/scripts/main.js b/web-root/scripts/main.js
@@ -125,7 +125,11 @@ $(document).ready(function() {
     });
 
     $('#canvas').on('wheel', function (evt) {
-      zoomTarget += evt.originalEvent.deltaY * 0.0002;
+      var delta = evt.originalEvent.deltaY;
+      if(evt.originalEvent.deltaMode === 1) {
+        delta *= 33.3333333;
+      }
+      zoomTarget += delta * 0.0002;
       if(zoomTarget > 1) zoomTarget = 1;
       if(zoomTarget < 0) zoomTarget = 0;
     });