samples/turtle/koch.rb in ray-0.1.0.pre1 vs samples/turtle/koch.rb in ray-0.1.0

@@ -34,21 +34,26 @@
   register do
     add_hook :quit, method(:exit!)
   end
 
   scene :koch do
-    render do |win|
-      win.fill(Ray::Color.black).turtle do
-        pen_up
-        center
-        backward 165
-        left 90
-        forward 95
-        right 90
+    img = Ray::Image.new window.size
+    img.turtle do
+      pen_up
+      center
+      backward 165
+      left 90
+      forward 95
+      right 90
 
-        pen_down
-        snowflake(350, 4)
-      end
+      pen_down
+      snowflake(350, 4)
+    end
+
+    @sprite = sprite img
+
+    render do |win|
+      win.draw @sprite
     end
   end
 
   push_scene :koch
 end