From c35fb460781cca99e3be9dc6ab25447f10db4791 Mon Sep 17 00:00:00 2001
From: Lukas Klingsbo <lukas.klingsbo@gmail.com>
Date: Sun, 5 Dec 2021 20:38:52 +0100
Subject: [PATCH] Fix hitbox circle on flip (#1165)

---
 .../lib/stories/collision_detection/circles_example.dart     | 5 ++---
 packages/flame/CHANGELOG.md                                  | 1 +
 packages/flame/lib/src/geometry/circle.dart                  | 3 ++-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/examples/lib/stories/collision_detection/circles_example.dart b/examples/lib/stories/collision_detection/circles_example.dart
index dd31446c5..8966e1700 100644
--- a/examples/lib/stories/collision_detection/circles_example.dart
+++ b/examples/lib/stories/collision_detection/circles_example.dart
@@ -39,13 +39,12 @@ class MyCollidable extends PositionComponent
           position: position,
           size: Vector2.all(100),
           anchor: Anchor.center,
-        ) {
-    addHitbox(HitboxCircle());
-  }
+        );
 
   @override
   Future<void> onLoad() async {
     await super.onLoad();
+    addHitbox(HitboxCircle());
     final center = gameRef.size / 2;
     velocity = (center - position)..scaleTo(150);
   }
diff --git a/packages/flame/CHANGELOG.md b/packages/flame/CHANGELOG.md
index 396814cba..8ea9e2e08 100644
--- a/packages/flame/CHANGELOG.md
+++ b/packages/flame/CHANGELOG.md
@@ -10,6 +10,7 @@
  - Fix `Parallax.load` with different loading times
  - Fix render order of components and add tests
  - `isHud` renamed to `respectCamera`
+ - Fix `HitboxCircle` when component is flipped
 
 ## [1.0.0-releasecandidate.18]
  - Forcing portrait and landscape mode is now supported on web
diff --git a/packages/flame/lib/src/geometry/circle.dart b/packages/flame/lib/src/geometry/circle.dart
index d91742c7a..325fee977 100644
--- a/packages/flame/lib/src/geometry/circle.dart
+++ b/packages/flame/lib/src/geometry/circle.dart
@@ -43,7 +43,8 @@ class Circle extends Shape {
     _scaledSize
       ..setFrom(size)
       ..multiply(scale);
-    return (min(_scaledSize.x, _scaledSize.y) / 2) * normalizedRadius;
+    return (min(_scaledSize.x.abs(), _scaledSize.y.abs()) / 2) *
+        normalizedRadius;
   }
 
   /// This render method doesn't rotate the canvas according to angle since a