Pushing all changes

game/universe.rb

@@ -221,7 +221,18 @@ class Universe
     return result
   end
 
+  # Runs a tick of the game. Passes it on to all of the sub objects
+  def tick
+    # Incriment planets
+    @planet_list.each do |planet|
+      planet.tick
+    end
 
+    # Incriment ships
+    @ship_list.each do |ship|
+      ship.tick
+    end
+  end
 
 
 
@@ -272,6 +283,7 @@ class Universe
   def create_ship(player, position)
     return false unless validate_player(player)
   end
+  alias_method :add_ship, :create_ship
 
   # Move a player's ship to a given position
   #