INNER CODE UNIT · Dart

angle

e200/my-flutter-challenges · air_defense_system/lib/widget.dart:239

      final angle = i * pi / (outterLinesCount / 2);
      final start = Offset(
        center.dx + firstArcRadius * cos(angle),
        center.dy + firstArcRadius * sin(angle),
      );
      final end = Offset(
        center.dx + (firstArcRadius + distanceFromOuterCircle) * cos(angle),
        center.dy + (firstArcRadius + distanceFromOuterCircle) * sin(angle),
      );

      canvas.drawLine(start, end, linePaint);
    }

    const crossLinesCount = 4;

    for (var i = 0; i < crossLinesCount; i++) {
      final angle = i * pi / (crossLinesCount / 2);

View source record →