Update example

Author: Artur Ostręga

example/src/things/cloud.rb

@@ -4,7 +4,7 @@ class Cloud < Yeah::Thing #
 #class Cloud < Thing
   self.look = CloudLook #
 
-  def act(input, space)
-    self.x -= 1
+  def act(input, space, elapsed)
+    self.x -= 10 * elapsed
   end
 end

example/src/things/duck.rb

@@ -5,8 +5,7 @@ class Duck < Yeah::Thing #
 #class Duck < Thing
   self.look = DuckLook #
 
-  def act(input, space)
-    self.x += 3
-    puts "Quack" if rand > 0.5
+  def act(input, space, elapsed)
+    self.x += 30 * elapsed
   end
 end