fix(rendering): region rotation snapping to 90 degrees removed

Author: danila-schelkov

system/lib/math/polygon.py

@@ -25,13 +25,11 @@ def is_clockwise(polygon: Polygon) -> bool:
 def compare_polygons(
     polygon1: Polygon,
     polygon2: Polygon,
-    round_to_nearest: bool = False,
 ) -> tuple[int, bool]:
     """Calculates rotation and if polygon is mirrored.
 
     :param polygon1: shape polygon
     :param polygon2: sheet polygon
-    :param round_to_nearest: should round to a multiple of 90
     :return: rotation degrees, is polygon mirrored
     """
 
@@ -45,18 +43,10 @@ def compare_polygons(
     du = polygon2[1].x - polygon2[0].x
     dv = polygon2[1].y - polygon2[0].y
 
-    angle_xy = degrees(atan2(dy, dx)) % 360
-    angle_uv = degrees(atan2(dv, du)) % 360
+    angle_xy = degrees(atan2(dy, dx))
+    angle_uv = degrees(atan2(dv, du))
 
-    angle = angle_xy - angle_uv
-
-    if mirroring:
-        angle -= 180
-
-    angle = (angle + 360) % 360
-
-    if round_to_nearest:
-        angle = round(angle / 90) * 90
+    angle = (angle_xy - angle_uv) % 360
 
     return int(angle), mirroring
 

system/lib/objects/shape/region.py

@@ -61,7 +61,7 @@ def render(
         width, height = max(int(rect.width), 1), max(int(rect.height), 1)
 
         self.rotation, self.is_mirrored = compare_polygons(
-            transformed_points, self._uv_points, True
+            transformed_points, self._uv_points
         )
 
         rendered_region = self.get_image()
@@ -72,9 +72,9 @@ def render(
                 rendered_region.mode, width, height, transformed_points, fill_color
             )
 
-        rendered_region = rendered_region.rotate(-self.rotation, expand=True)
         if self.is_mirrored:
             rendered_region = rendered_region.transpose(Image.Transpose.FLIP_LEFT_RIGHT)
+        rendered_region = rendered_region.rotate(-self.rotation, expand=True)
 
         if use_original_size:
             return rendered_region