samples/turtle/byzantium.rb in ray-0.2.0 vs samples/turtle/byzantium.rb in ray-0.2.1

@@ -12,10 +12,10 @@
     forward r
     right 135
 
     4.times do
       pen_down
-      forward 2 * r * sin(PI / 4)
+      forward 2 * r * sin(Math::PI / 4)
 
       pen_up
       byzantium(r / 2, n - 1)
       right 90
     end