Adding Loading bar in Editor

[Mugen87]

This post might help:

Basic Loading Screen

I’ve recently used this code for a stackoverflow post. It shows how to create a basic loading screen with THREE.LoadingManager and a HTML based overlay with nice CSS animations. The loading screen disappears, as soon as all assets are loaded. Demo: https://jsfiddle.net/sojzu8a5/1/ If you don’t like the visuals of the loading screen, no problem. There is a huge selection of CSS loader animations: