updateDraggingObjects method

Implementation

void updateDraggingObjects(List<T> objects) {
  if (!_isDragging) return;

  bool hasSignificantChange = false;

  // Track bounds changes for surgical updates
  for (final object in objects) {
    if (_draggingObjectIds.contains(object.id)) {
      final newBounds = object.getBounds();
      final oldBounds = _draggingObjectBounds[object.id];

      // Only update if bounds actually changed significantly
      if (oldBounds == null || !_boundsAreSimilar(oldBounds, newBounds)) {
        _spatialRects[object.id] = newBounds;
        _draggingObjectBounds[object.id] = newBounds;

        // Surgical grid update - only update this object's grid cells
        _updateSpatialGridSurgical(object, newBounds, oldBounds);
        hasSignificantChange = true;
      }
    }
  }

  // Only update derived data if there were significant changes
  if (hasSignificantChange) {
    _computeDraggingBounds();
    _invalidateCacheForDragging();
  }
}