Ongoing cleanup and refactoring of maps.

lib/pixi/maps/maplist.js

@@ -52,6 +52,7 @@ export class MapList {
 
     add(key, map) {
         if (this.maps[key] != null) consol.warn('Key already in mapList. The existing key was overwritten.')
+        if (this.active == null) this.active = key
         map.name = key
         this.maps[key] = map
     }
@@ -65,7 +66,13 @@ export class MapList {
         let idx = keys.indexOf(this.active)
 
         let next = idx + 1 < keys.length ? keys[idx + 1] : keys[0]
-        console.log(keys, idx, next)
         return next
     }
+
+    cleanup() {
+        for (let key in this.maps) {
+            let map = this.maps[key]
+            map.remove()
+        }
+    }
 }