arcs nicely curve when they connect a rountangle to itself

src/VisualEditor/interpreter.ts

@@ -0,0 +1,26 @@
+import { ConcreteState, Statechart } from "./ast";
+
+export function initialize(ast: Statechart): RT_Statechart {
+  const rt_root = recursiveEnter(ast.root) as RT_OrState;
+  return {
+    root: rt_root,
+    variables: new Map(),
+  };
+}
+
+export function recursiveEnter(state: ConcreteState): RT_ConcreteState {
+  if (state.kind === "and") {
+    return {
+      kind: "and",
+      children: state.children.map(child => recursiveEnter(child)),
+    };
+  }
+  else {
+    const currentState = state.initial[0][1];
+    return {
+      kind: "or",
+      current: currentState.uid,
+      current_rt: recursiveEnter(currentState),
+    };
+  }
+}