Complete 'Union' & 'SymmetricDifference' operations

lycantropos · Aug 23, 2022 · 13b82a8 · 13b82a8
1 parent 4c515c8
commit 13b82a8
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/clipping/core/holey.py b/clipping/core/holey.py
@@ -87,6 +87,7 @@ def events_to_polygons(self, events: Sequence[Event]) -> Sequence[Polygon]:
         if not events:
             return []
         max_start_index = events[-1].start_index
+        assert max_start_index != UNDEFINED_INDEX
         assert all(event.start_index <= max_start_index for event in events)
         events = [event
                   for event in events
@@ -191,11 +192,12 @@ def sweep(self) -> List[Event]:
         start_index = event.start_index = 0
         self.process_event(event, result, sweep_line)
         while events_queue:
+            event = events_queue.pop()
             if event.start != start:
                 start = event.start
                 start_index += 1
             event.start_index = start_index
-            self.process_event(events_queue.pop(), result, sweep_line)
+            self.process_event(event, result, sweep_line)
         return result