panByScreenDelta method

void panByScreenDelta(
  1. DiagramPoint delta
)

Implementation

void panByScreenDelta(DiagramPoint delta) {
  final current = state;
  setState(
    current.copyWith(
      center: DiagramPoint(
        current.center.x - delta.x / current.zoom,
        current.center.y - delta.y / current.zoom,
      ),
    ),
  );
}