Merge pull request #35351 from ericrybick/32342-Resize-snapping-lines-bug

Fix editor drawing snapping lines for wrong edge/corner when resizing elements with smart snapping enabled

editor/plugins/canvas_item_editor_plugin.cpp

@@ -1750,8 +1750,18 @@ bool CanvasItemEditor::_gui_input_resize(const Ref<InputEvent> &p_event) {
 
 			Transform2D xform = canvas_item->get_global_transform_with_canvas().affine_inverse();
 
-			Point2 drag_to_snapped_begin = snap_point(xform.affine_inverse().xform(current_begin) + (drag_to - drag_from), SNAP_NODE_ANCHORS | SNAP_NODE_PARENT | SNAP_OTHER_NODES | SNAP_GRID | SNAP_PIXEL, 0, canvas_item);
-			Point2 drag_to_snapped_end = snap_point(xform.affine_inverse().xform(current_end) + (drag_to - drag_from), SNAP_NODE_ANCHORS | SNAP_NODE_PARENT | SNAP_OTHER_NODES | SNAP_GRID | SNAP_PIXEL, 0, canvas_item);
+			Point2 drag_to_snapped_begin;
+			Point2 drag_to_snapped_end;
+
+			// last call decides which snapping lines are drawn
+			if (drag_type == DRAG_LEFT || drag_type == DRAG_TOP || drag_type == DRAG_TOP_LEFT) {
+				drag_to_snapped_end = snap_point(xform.affine_inverse().xform(current_end) + (drag_to - drag_from), SNAP_NODE_ANCHORS | SNAP_NODE_PARENT | SNAP_OTHER_NODES | SNAP_GRID | SNAP_PIXEL, 0, canvas_item);
+				drag_to_snapped_begin = snap_point(xform.affine_inverse().xform(current_begin) + (drag_to - drag_from), SNAP_NODE_ANCHORS | SNAP_NODE_PARENT | SNAP_OTHER_NODES | SNAP_GRID | SNAP_PIXEL, 0, canvas_item);
+			} else {
+				drag_to_snapped_begin = snap_point(xform.affine_inverse().xform(current_begin) + (drag_to - drag_from), SNAP_NODE_ANCHORS | SNAP_NODE_PARENT | SNAP_OTHER_NODES | SNAP_GRID | SNAP_PIXEL, 0, canvas_item);
+				drag_to_snapped_end = snap_point(xform.affine_inverse().xform(current_end) + (drag_to - drag_from), SNAP_NODE_ANCHORS | SNAP_NODE_PARENT | SNAP_OTHER_NODES | SNAP_GRID | SNAP_PIXEL, 0, canvas_item);
+			}
+
 			Point2 drag_begin = xform.xform(drag_to_snapped_begin);
 			Point2 drag_end = xform.xform(drag_to_snapped_end);