disable shtupid empty pixel rows

src/cljs/topdown2d/tileset.cljs

@@ -61,7 +61,7 @@
         sy (* y tileheight)]
     (.drawImage ctx image
                 sx sy tilewidth tileheight
-                (:x dest) (:y dest)
+                (int (:x dest)) (int (:y dest))
                 target-width target-height)))
 
 (defn draw-viewport [map-def ctx viewport]