Fixed some more memory leaks.

app/assets/javascripts/workers/worker_world.js

@@ -315,6 +315,7 @@ self.onDebugWorldProgress = function onDebugWorldProgress(progress) {
 self.debugAbort = function () {
     if(self.debugWorld) {
         self.debugWorld.abort();
+        self.debugWorld.destroy();
         self.debugWorld = null;
     }
     self.postMessage({type: 'debug-abort'});
@@ -379,6 +380,7 @@ self.onWorldLoaded = function onWorldLoaded() {
   var t3 = new Date();
   console.log("And it was so: (" + (diff / self.world.totalFrames).toFixed(3) + "ms per frame,", self.world.totalFrames, "frames)\nSimulation   :", diff + "ms \nSerialization:", (t2 - t1) + "ms\nDelivery     :", (t3 - t2) + "ms");
   self.world.goalManager.destroy();
+  self.world.destroy();
   self.world = null;
 };
 
@@ -410,6 +412,7 @@ self.abort = function abort() {
   if(self.world) {
     self.world.abort();
     self.world.goalManager.destroy();
+    self.world.destroy();
     self.world = null;
   }
   self.postMessage({type: 'abort'});

app/lib/world/thang.coffee

@@ -31,6 +31,12 @@ module.exports = class Thang
     @addTrackedProperties ['exists', 'boolean']  # TODO: move into Systems/Components, too?
     #console.log "Generated #{@toString()}."
 
+  destroy: ->
+    # Just trying to destroy __aetherAPIClone, but might as well nuke everything just in case
+    @[key] = undefined for key of @
+    @destroyed = true
+    @destroy = ->
+
   updateRegistration: ->
     system.register @ for system in @world.systems
 
@@ -40,7 +46,7 @@ module.exports = class Thang
 
   getGoalState: (goalID) ->
     @world.getGoalState goalID
-    
+
   setGoalState: (goalID, status) ->
     @world.setGoalState goalID, status
 

app/lib/world/world.coffee

@@ -33,6 +33,13 @@ module.exports = class World
     @rand = new Rand 0  # Existence System may change this seed
     @frames = [new WorldFrame(@, 0)]
 
+  destroy: ->
+    @goalManager?.destroy()
+    thang.destroy() for thang in @thangs
+    @[key] = undefined for key of @
+    @destroyed = true
+    @destroy = ->
+
   getFrame: (frameIndex) ->
     # Optimize it a bit--assume we have all if @ended and are at the previous frame otherwise
     frames = @frames
@@ -109,6 +116,7 @@ module.exports = class World
           console.log('  Loaded', i, 'of', @totalFrames, "(+" + (t2 - @t0).toFixed(0) + "ms)")
           @t0 = t2
         continueFn = =>
+          return if @destroyed
           if loadUntilFrame
             @loadFrames(loadedCallback,errorCallback,loadProgressCallback, skipDeferredLoading, loadUntilFrame)
           else

bower.json

@@ -32,7 +32,7 @@
     "firepad": "~0.1.2",
     "marked": "~0.3.0",
     "moment": "~2.5.0",
-    "aether": "~0.2.0",
+    "aether": "~0.2.8",
     "underscore.string": "~2.3.3",
     "firebase": "~1.0.2",
     "catiline": "~2.9.3",

package.json

@@ -65,7 +65,7 @@
     "redis": "",
     "webworker-threads": "~0.4.11",
     "node-gyp": "~0.13.0",
-    "aether": "~0.2.3",
+    "aether": "~0.2.8",
     "JASON": "~0.1.3",
     "JQDeferred": "~2.1.0"
   },