Wait for backgrounds to render before starting

public/src/js/controller.js

@@ -36,6 +36,7 @@ class Controller{
 			syncWith.game.startDate = this.game.startDate
 			this.syncWith = syncWith
 		}
+		requestAnimationFrame(() => {
 			this.startMainLoop()
 			if(!this.multiplayer){
 				debugObj.controller = this
@@ -43,6 +44,7 @@ class Controller{
 					debugObj.debug.updateStatus()
 				}
 			}
+		})
 	}
 	startMainLoop(){
 		this.mainLoopStarted = false