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Turned Direction2 into a flags enum

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Ell 2021-02-28 14:37:02 +01:00
parent dda827b985
commit 468bee9ca8
1 changed files with 39 additions and 37 deletions
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76
MLEM/Misc/Direction2.cs
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@ -7,47 +7,49 @@ namespace MLEM.Misc {
/// <summary>
/// An enum that represents two-dimensional directions.
/// Both straight and diagonal directions are supported.
/// There are several extension methods and arrays available in <see cref="Direction2Helper"/>.
/// </summary>
[Flags]
public enum Direction2 {
/// <summary>
/// The up direction, or -y.
/// </summary>
Up,
/// <summary>
/// The right direction, or +x.
/// </summary>
Right,
/// <summary>
/// The down direction, or +y.
/// </summary>
Down,
/// <summary>
/// The left direction, or -x.
/// </summary>
Left,
/// <summary>
/// The up and right direction, or +x, -y.
/// </summary>
UpRight,
/// <summary>
/// The down and right direction, or +x, +y.
/// </summary>
DownRight,
/// <summary>
/// The down and left direction, or -x, +y.
/// </summary>
DownLeft,
/// <summary>
/// The up and left direction, or -x, -y.
/// </summary>
UpLeft,
/// <summary>
/// No direction.
/// </summary>
None
None = 0,
/// <summary>
/// The up direction, or -y.
/// </summary>
Up = 1,
/// <summary>
/// The right direction, or +x.
/// </summary>
Right = 2,
/// <summary>
/// The down direction, or +y.
/// </summary>
Down = 4,
/// <summary>
/// The left direction, or -x.
/// </summary>
Left = 8,
/// <summary>
/// The up and right direction, or +x, -y.
/// </summary>
UpRight = Up | Right,
/// <summary>
/// The down and right direction, or +x, +y.
/// </summary>
DownRight = Down | Right,
/// <summary>
/// The up and left direction, or -x, -y.
/// </summary>
UpLeft = Up | Left,
/// <summary>
/// The down and left direction, or -x, +y.
/// </summary>
DownLeft = Down | Left
}
@ -80,7 +82,7 @@ namespace MLEM.Misc {
/// <param name="dir">The direction to query</param>
/// <returns>Whether the direction is adjacent</returns>
public static bool IsAdjacent(this Direction2 dir) {
return dir <= Direction2.Left;
return dir == Direction2.Up || dir == Direction2.Right || dir == Direction2.Down || dir == Direction2.Left;
}
/// <summary>
@ -89,7 +91,7 @@ namespace MLEM.Misc {
/// <param name="dir">The direction to query</param>
/// <returns>Whether the direction is diagonal</returns>
public static bool IsDiagonal(this Direction2 dir) {
return dir >= Direction2.UpRight && dir <= Direction2.UpLeft;
return dir == Direction2.UpRight || dir == Direction2.DownRight || dir == Direction2.UpLeft || dir == Direction2.DownLeft;
}
/// <summary>