Fixed debug, and some other mark issues when sprite sheets update, most likely.

app/lib/surface/Lank.coffee

@@ -614,7 +614,9 @@ module.exports = Lank = class Lank extends CocoClass
   setDebug: (debug) ->
     return unless @thang?.collides and @options.camera?
     @addMark 'debug', @options.floatingLayer if debug
-    @marks.debug?.toggle debug
+    if d = @marks.debug
+      d.toggle debug
+      d.updatePosition()
 
   addLabel: (name, style) ->
     @labels[name] ?= new Label sprite: @, camera: @options.camera, layer: @options.textLayer, style: style

app/lib/surface/Mark.coffee

@@ -34,12 +34,13 @@ module.exports = class Mark extends CocoClass
 
   onLayerMadeSpriteSheet: ->
     return unless @sprite
-    return @update() if @markLank
-    # need to update the mark display object manually...
+    # rebuild sprite for new sprite sheet
     @sprite = null
     @build()
     @layer.addChild @sprite
     @layer.updateLayerOrder()
+#    @updatePosition()
+    @update()
     
   toggle: (to) ->
     to = !!to