Mirror the preview of the elliptical selection tool

src/Tools/BaseTool.gd

@@ -202,6 +202,22 @@ func snap_position(pos: Vector2) -> Vector2:
 	return pos
 
 
+func mirror_array(array: Array[Vector2i], h: bool, v: bool) -> Array[Vector2i]:
+	var new_array: Array[Vector2i] = []
+	var project := Global.current_project
+	for point in array:
+		if h and v:
+			new_array.append(
+				Vector2i(project.x_symmetry_point - point.x, project.y_symmetry_point - point.y)
+			)
+		elif h:
+			new_array.append(Vector2i(project.x_symmetry_point - point.x, point.y))
+		elif v:
+			new_array.append(Vector2i(point.x, project.y_symmetry_point - point.y))
+
+	return new_array
+
+
 func _get_closest_point_to_grid(pos: Vector2, distance: float, grid_pos: Vector2) -> Vector2:
 	# If the cursor is close to the start/origin of a grid cell, snap to that
 	var snap_distance := distance * Vector2.ONE

src/Tools/SelectionTools/EllipseSelect.gd

@@ -56,12 +56,35 @@ func draw_preview() -> void:
 		var image := Image.create(
 			Global.current_project.size.x, Global.current_project.size.y, false, Image.FORMAT_LA8
 		)
-		for point in points:
+		for i in points.size():
-			var draw_point := point + temp_rect.position
+			points[i] += temp_rect.position
+			var draw_point := points[i]
 			if Global.mirror_view:  # This fixes previewing in mirror mode
 				draw_point.x = image.get_width() - draw_point.x - 1
 			if Rect2i(Vector2i.ZERO, image.get_size()).has_point(draw_point):
 				image.set_pixelv(draw_point, Color.WHITE)
+		# Handle mirroring
+		if Tools.horizontal_mirror:
+			for point in mirror_array(points, true, false):
+				var draw_point := point
+				if Global.mirror_view:  # This fixes previewing in mirror mode
+					draw_point.x = image.get_width() - draw_point.x - 1
+				if Rect2i(Vector2i.ZERO, image.get_size()).has_point(draw_point):
+					image.set_pixelv(draw_point, Color.WHITE)
+			if Tools.vertical_mirror:
+				for point in mirror_array(points, true, true):
+					var draw_point := point
+					if Global.mirror_view:  # This fixes previewing in mirror mode
+						draw_point.x = image.get_width() - draw_point.x - 1
+					if Rect2i(Vector2i.ZERO, image.get_size()).has_point(draw_point):
+						image.set_pixelv(draw_point, Color.WHITE)
+		if Tools.vertical_mirror:
+			for point in mirror_array(points, false, true):
+				var draw_point := point
+				if Global.mirror_view:  # This fixes previewing in mirror mode
+					draw_point.x = image.get_width() - draw_point.x - 1
+				if Rect2i(Vector2i.ZERO, image.get_size()).has_point(draw_point):
+					image.set_pixelv(draw_point, Color.WHITE)
 		var texture := ImageTexture.create_from_image(image)
 		canvas.texture = texture
 	else:

src/Tools/SelectionTools/Lasso.gd

@@ -156,19 +156,3 @@ func append_gap(start: Vector2i, end: Vector2i) -> void:
 			err += dx
 			y += sy
 		_draw_points.append(Vector2i(x, y))
-
-
-func mirror_array(array: Array[Vector2i], h: bool, v: bool) -> Array[Vector2i]:
-	var new_array: Array[Vector2i] = []
-	var project := Global.current_project
-	for point in array:
-		if h and v:
-			new_array.append(
-				Vector2i(project.x_symmetry_point - point.x, project.y_symmetry_point - point.y)
-			)
-		elif h:
-			new_array.append(Vector2i(project.x_symmetry_point - point.x, point.y))
-		elif v:
-			new_array.append(Vector2i(point.x, project.y_symmetry_point - point.y))
-
-	return new_array

src/Tools/SelectionTools/PaintSelect.gd

@@ -173,22 +173,6 @@ func append_gap(start: Vector2i, end: Vector2i) -> void:
 		_draw_points.append_array(draw_tool(Vector2i(x, y)))
 
 
-func mirror_array(array: Array[Vector2i], h: bool, v: bool) -> Array[Vector2i]:
-	var new_array: Array[Vector2i] = []
-	var project := Global.current_project
-	for point in array:
-		if h and v:
-			new_array.append(
-				Vector2i(project.x_symmetry_point - point.x, project.y_symmetry_point - point.y)
-			)
-		elif h:
-			new_array.append(Vector2i(project.x_symmetry_point - point.x, point.y))
-		elif v:
-			new_array.append(Vector2i(point.x, project.y_symmetry_point - point.y))
-
-	return new_array
-
-
 func draw_tool(pos: Vector2i) -> Array[Vector2i]:
 	_prepare_tool()
 	return _draw_tool(pos)

src/Tools/SelectionTools/PolygonSelect.gd

@@ -201,22 +201,6 @@ func append_gap(start: Vector2i, end: Vector2i, array: Array[Vector2i]) -> void:
 		array.append(Vector2i(x, y))
 
 
-func mirror_array(array: Array[Vector2i], h: bool, v: bool) -> Array[Vector2i]:
-	var new_array: Array[Vector2i] = []
-	var project := Global.current_project
-	for point in array:
-		if h and v:
-			new_array.append(
-				Vector2i(project.x_symmetry_point - point.x, project.y_symmetry_point - point.y)
-			)
-		elif h:
-			new_array.append(Vector2i(project.x_symmetry_point - point.x, point.y))
-		elif v:
-			new_array.append(Vector2i(point.x, project.y_symmetry_point - point.y))
-
-	return new_array
-
-
 # Thanks to
 # https://www.reddit.com/r/godot/comments/3ktq39/drawing_empty_circles_and_curves/cv0f4eo/
 func draw_empty_circle(