Tweaked logging of sprite building.

app/lib/LevelLoader.coffee

@@ -173,13 +173,11 @@ module.exports = class LevelLoader extends CocoClass
     building = thangType.buildSpriteSheet options
     return unless building
     #console.log 'Building:', thangType.get('name'), options
-    t0 = new Date()
     @spriteSheetsToBuild += 1
     thangType.once 'build-complete', =>
       return if @destroyed
       @spriteSheetsBuilt += 1
       @notifyProgress()
-      console.log "Built", thangType.get('name'), 'after', ((new Date()) - t0), 'ms'
 
   # World init
 

app/models/ThangType.coffee

@@ -139,17 +139,21 @@ module.exports = class ThangType extends CocoModel
     spriteSheet = null
     if @options.async
       buildQueue.push @builder
+      @builder.t0 = new Date().getTime()
       @builder.buildAsync() unless buildQueue.length > 1
       @builder.on 'complete', @onBuildSpriteSheetComplete, @, true, key
       return true
-    console.warn 'Building', @get('name'), @options, 'and blocking the main thread.'
+    t0 = new Date().getTime()
     spriteSheet = @builder.build()
+    console.warn "Built #{@get('name')} in #{new Date().getTime() - t0}ms on main thread."
     @spriteSheets[key] = spriteSheet
     delete @building[key]
     spriteSheet
 
   onBuildSpriteSheetComplete: (e, key) ->
+    console.log "Built #{@get('name')} async in #{new Date().getTime() - @builder.t0}ms." if @builder
     buildQueue = buildQueue.slice(1)
+    buildQueue[0].t0 = new Date().getTime() if buildQueue[0]
     buildQueue[0]?.buildAsync()
     @spriteSheets[key] = e.target.spriteSheet
     delete @building[key]

app/views/play/level/level_loading_view.coffee

@@ -8,7 +8,7 @@ module.exports = class LevelLoadingView extends View
 
   subscriptions:
     'level-loader:progress-changed': 'onLevelLoaderProgressChanged'
-
+    
   afterRender: ->
     @$el.find('.tip.rare').remove() if _.random(1, 10) < 9
     tips = @$el.find('.tip').addClass('to-remove')