INNER CODE UNIT · Dart

radius

vintage/scratcher · lib/widgets.dart:258

      final radius = widget.brushSize / 2;
      checkpoints.removeWhere(
        (checkpoint) => _inCircle(checkpoint, point!, radius),
      );

      progress =
          ((totalCheckpoints - checkpoints.length) / totalCheckpoints) * 100;
      if (progress - progressReported >= _progressReportStep ||
          progress == 100) {
        progressReported = progress;
        widget.onChange?.call(progress);
      }

      if (!thresholdReported &&
          widget.threshold != null &&
          progress >= widget.threshold!) {
        thresholdReported = true;
        widget.onThreshold?.call();

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