fix

Author: NeoXider

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "spritepro"
-version = "3.9.0"
+version = "3.9.1"
 authors = [
   { name="NeoXider", email="neoxider@gmail.com" },
 ]

spritePro/__init__.py

@@ -24,7 +24,7 @@
 
 from __future__ import annotations
 
-__version__ = "3.9.0"
+__version__ = "3.9.1"
 
 import inspect
 import os
@@ -1252,9 +1252,18 @@ def _run_bootstrap(
     scene: Scene | type[Scene] | Callable[[], Scene | None] | None = None,
     *bootstrap_args: object,
 ) -> None:
-    resolved_scene = _resolve_scene_value(scene, *bootstrap_args)
-    if resolved_scene is not None:
-        set_scene(resolved_scene)
+    # Auto-register scene class as a factory so restart_scene() works
+    if isinstance(scene, type) and issubclass(scene, Scene):
+        scene_name = scene.__name__
+        _context.scene_manager.register_scene_factory(scene_name, lambda: scene())
+        resolved_scene = _resolve_scene_value(scene, *bootstrap_args)
+        if resolved_scene is not None:
+            resolved_scene.name = scene_name
+            set_scene(resolved_scene)
+    else:
+        resolved_scene = _resolve_scene_value(scene, *bootstrap_args)
+        if resolved_scene is not None:
+            set_scene(resolved_scene)
     if setup is None:
         return
     setup_result = _call_with_supported_args(setup, *bootstrap_args)

spritePro/physics.py

@@ -299,7 +299,10 @@ def sync_from_sprite(self, sprite: pygame.sprite.Sprite) -> None:
         is_static = self.config.body_type == BodyType.STATIC
         enabled = getattr(sprite, "visible", getattr(sprite, "active", True))
         scale = getattr(sprite, "scale", 1.0)
-        current_size = (r.width, r.height)
+        # Use the sprite's original (unrotated) size to avoid detecting
+        # size changes caused solely by visual rotation.
+        original_size = getattr(sprite, "size", (r.width, r.height))
+        current_size = (original_size[0], original_size[1])
         position_changed = self._last_center != current_center
         enabled_changed = self.enabled != enabled
         size_changed = self._last_rect_size != current_size or self._last_scale != scale

spritePro/sprite.py

@@ -1319,10 +1319,9 @@ def _update_image(self):
 
             self._transformed_image = img  # cache the transformed image
 
-            anchor_attr = Anchor.MAP.get(str(self.anchor_key), "center")
-            anchor_pos = getattr(self.rect, anchor_attr)
+            old_center = self.rect.center
             self.rect = self._transformed_image.get_rect()
-            setattr(self.rect, anchor_attr, anchor_pos)
+            self.rect.center = old_center
 
             self._transform_dirty = False
             self._color_dirty = True  # Force color update after transform