     y: 0
 
   assets: ->
-    images: ['water-horizon.png']
-    sprites:
+    sprites:
+      'water-horizon.png':
+        tile: 201
+        tileh: 155
+        map:
+          waterHorizon: [0, 0]
       'water.png':
         tile: 400
         tileh: 105

    y: 0

  assets: ->
    images: ['water-horizon.png']
    sprites:
      'water.png':
        tile: 400
        tileh: 105

    y: 0

  assets: ->
    sprites:
      'water-horizon.png':
        tile: 201
        tileh: 155
        map:
          waterHorizon: [0, 0]
      'water.png':
        tile: 400
        tileh: 105
