Fixes code save

lib/code/generate.ts

@@ -3,12 +3,23 @@ import Circle from "./circle"
 import Ellipse from "./ellipse"
 import Polyline from "./polyline"
 import Dot from "./dot"
+import Ray from "./ray"
 import Line from "./line"
 import Vector from "./vector"
 import Utils from "./utils"
 import { codeShapes } from "./index"
 
-const scope = { Dot, Circle, Ellipse, Line, Polyline, Rectangle, Vector, Utils }
+const scope = {
+  Dot,
+  Circle,
+  Ellipse,
+  Ray,
+  Line,
+  Polyline,
+  Rectangle,
+  Vector,
+  Utils,
+}
 
 /**
  * Evaluate code, collecting generated shapes in the shape set. Return the