import 'dart:math' as math;

import 'package:flutter/material.dart';

/// Windpfeil, der in die Richtung zeigt, in die der Wind weht (nicht woher
/// er kommt) - analog windArrowSvg() im HTML-Demonstrator, dort ebenfalls
/// um (dirFrom + 180) Grad gedreht.
class WindArrowIcon extends StatelessWidget {
  const WindArrowIcon({
    super.key,
    required this.dirFromDeg,
    this.size = 14,
    this.color = Colors.white,
  });

  final double dirFromDeg;
  final double size;
  final Color color;

  @override
  Widget build(BuildContext context) {
    final towardDeg = (dirFromDeg + 180) % 360;
    return Transform.rotate(
      angle: towardDeg * math.pi / 180,
      child: Icon(Icons.navigation, size: size, color: color),
    );
  }
}