polygon_path.dart

Path createPath(int sides, double radius) {
    var path = Path();
    var angle = (math.pi * 2) / sides;
    path.moveTo(radius * math.cos(0.0), radius * math.sin(0.0));
    for (int i = 1; i <= sides; i++) {
      double x = radius * math.cos(angle * i);
      double y = radius * math.sin(angle * i);
      path.lineTo(x, y);
    }
    path.close();
    return path;
  }