Merge pull request #34879 from Phischermen/canvas-item-editor-local-space-mode

Fix issue regarding rotating Canvas Items in editor

editor/plugins/canvas_item_editor_plugin.cpp

@@ -1492,7 +1492,9 @@ bool CanvasItemEditor::_gui_input_rotate(const Ref<InputEvent> &p_event) {
 			for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
 				CanvasItem *canvas_item = E->get();
 				drag_to = transform.affine_inverse().xform(m->get_position());
-				canvas_item->_edit_set_rotation(snap_angle(canvas_item->_edit_get_rotation() + (drag_from - drag_rotation_center).angle_to(drag_to - drag_rotation_center), canvas_item->_edit_get_rotation()));
+				//Rotate the opposite way if the canvas item's compounded scale has an uneven number of negative elements
+				bool opposite = (canvas_item->get_global_transform().get_scale().sign().dot(canvas_item->get_transform().get_scale().sign()) == 0);
+				canvas_item->_edit_set_rotation(snap_angle(canvas_item->_edit_get_rotation() + (opposite ? -1 : 1) * (drag_from - drag_rotation_center).angle_to(drag_to - drag_rotation_center), canvas_item->_edit_get_rotation()));
 				viewport->update();
 			}
 			return true;