using System;
using Godot;

namespace fgj26.Scripts.Helpers;

public static class Helpers
{
    public static Node2D GetClosest(Node2D from, Node2D[] targets)
    {
        ArgumentNullException.ThrowIfNull(from);
        ArgumentNullException.ThrowIfNull(targets);
        if (targets.Length == 0) throw new ArgumentNullException(nameof(targets));
        float dist = float.PositiveInfinity;
        Node2D closest = null;
        foreach (var t in targets)
        {
            var td = t.GlobalPosition.DistanceTo(from.GlobalPosition);
            if (td < dist)
            {
                dist = td;
                closest = t;
            }
        }
        return closest;
    }
}