INNER CODE UNIT · Dart

_GraphViewState

nabil6391/graphview · lib/GraphView.dart:412

class _GraphViewState extends State<GraphView> with TickerProviderStateMixin {
  late TransformationController _transformationController;
  late final AnimationController _panController;
  late final AnimationController _nodeController;
  Animation<Matrix4>? _panAnimation;

  @override
  void initState() {
    super.initState();

    _transformationController = widget.controller?.transformationController ??
        TransformationController();

    _panController = AnimationController(
      vsync: this,
      duration:
          widget.panAnimationDuration ?? const Duration(milliseconds: 600),
    );

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