mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-25 12:25:10 -08:00
22 lines
564 B
C#
22 lines
564 B
C#
using System.Collections.Immutable;
|
|
|
|
namespace Salvo.Targetting;
|
|
|
|
internal class SearchPattern
|
|
{
|
|
private static readonly ImmutableArray<Offset> _offsets =
|
|
ImmutableArray.Create<Offset>(new(1, 1), new(-1, 1), new(1, -3), new(1, 1), new(0, 2), new(-1, 1));
|
|
|
|
private int _nextIndex;
|
|
|
|
internal bool TryGetOffset(out Offset offset)
|
|
{
|
|
offset = default;
|
|
if (_nextIndex >= _offsets.Length) { return false; }
|
|
|
|
offset = _offsets[_nextIndex++];
|
|
return true;
|
|
}
|
|
|
|
internal void Reset() => _nextIndex = 0;
|
|
} |