fix: 0

scene/public/static/js/main_2020_show.js

@@ -18869,6 +18869,7 @@ window.Modernizr = function(n, e, t) {
             this.transition = null
         }
         n.prototype = Object.create(r.Object3D.prototype),
+        n.prototype.constructor = n, //add  
         n.prototype.enter = function(e) {
             this.model.setFloor(this, e)
         }