Now listening to viewport transformations in order to recalculate the…

… camera bounds.
flame-engine · Oct 18, 2023 · 3f5329a · 3f5329a
1 parent ba31084
commit 3f5329a
Showing 1 changed file with 3 additions and 7 deletions.
diff --git a/packages/flame/lib/src/camera/behaviors/viewport_aware_bounds_behavior.dart b/packages/flame/lib/src/camera/behaviors/viewport_aware_bounds_behavior.dart
@@ -17,24 +17,20 @@ import 'package:flame/src/experimental/geometry/shapes/shape.dart';
 /// shapes.
 class ViewportAwareBoundsBehavior extends Component with ParentIsA<Viewfinder> {
   Shape _originalBounds;
-  late Rect _visibleWorldRect;
 
   ViewportAwareBoundsBehavior({
     required Shape originalBounds,
   }) : _originalBounds = originalBounds;
 
   @override
   void onLoad() {
-    _visibleWorldRect = parent.visibleWorldRect;
+    parent.transform.addListener(_updateCameraBounds);
     _updateCameraBounds();
   }
 
   @override
-  void update(double dt) {
-    if (_visibleWorldRect != parent.visibleWorldRect) {
-      _visibleWorldRect = parent.visibleWorldRect;
-      _updateCameraBounds();
-    }
+  void onRemove() {
+    parent.transform.removeListener(_updateCameraBounds);
   }
 
   /// Returns the bounds that do not take the viewport into account.