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using System.Numerics;
namespace OnekoOnline;
static class MathExtensions
{
public static Vector2 LimitLength(this Vector2 toLimit, float lengthLimit)
{
float length = toLimit.Length();
if (toLimit == Vector2.Zero) return Vector2.Zero;
return Vector2.Normalize(toLimit) * MathF.Min(length, lengthLimit);
}
public static Vector2 Round(this Vector2 toRound)
{
return new(MathF.Round(toRound.X), MathF.Round(toRound.Y));
}
}
static class StringExtensions
{
public static string LimitLength(this string value, int maxLength)
{
if (string.IsNullOrEmpty(value)) return value;
return value.Length <= maxLength ? value : value[..maxLength];
}
}
public static class Directions
{
public static readonly Vector2 Up = new(0,-1);
public static readonly Vector2 Down = new(0,1);
public static readonly Vector2 Left = new(-1,0);
public static readonly Vector2 Right = new(1,0);
public static readonly Vector2 UpLeft = Vector2.Normalize(Up+Left);
public static readonly Vector2 UpRight = Vector2.Normalize(Up+Right);
public static readonly Vector2 DownLeft = Vector2.Normalize(Down+Left);
public static readonly Vector2 DownRight = Vector2.Normalize(Down+Right);
}
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