works

src/entities/tile.coffee

@@ -2,15 +2,14 @@ class Tile extends BaseEntity
   constructor: (options) ->
     super options
 
-    #@layers = (new Tilelayer(type: restype) for restype, amount in app.game.resources)
-    for restype, amount in app.game.resources
-      console.log(restype, amount)
-
-    @currentLayer = getRandomInt 0, 4
-
+    resTypes = (k for own k of app.game.resources)
+    
+    @layers = (new Tilelayer(type: restype) for restype in resTypes)
+    @currentLayer = getRandomInt 0, resTypes.length-1
+    
   tick: (delta) ->
-    # TODO: digging deeper?  
+    # TODO: digging deeper?
 
   render: (x, y)->
-    #tile = @layers[@currentLayer]
-    #tile.render(app.layer, x, y)
+    tile = @layers[@currentLayer]
+    tile.render(app.layer, x, y)

src/hud.coffee

@@ -1,6 +1,5 @@
 app.game.hud =
   render: ->
-    for layer in [""]
     app.layer
       .fillStyle "#f00"
       .fillRect 0, 0, 8, 8