using System;

namespace Chernobyl
{
    /// <summary>
    /// Used to denote one or more of the four edges of some item.
    /// </summary>
    [Flags]
    public enum Edge
    {
        /// <summary>
        /// None of the item's edges.
        /// </summary>
        None = 0,

        /// <summary>
        /// The top edge of the item.
        /// </summary>
        Top = 1,

        /// <summary>
        /// The left edge of the item.
        /// </summary>
        Left = 2,

        /// <summary>
        /// The right edge of the item.
        /// </summary>
        Right = 4,

        /// <summary>
        /// The bottom edge of the item.
        /// </summary>
        Bottom = 8,

        /// <summary>
        /// All edges of the item.
        /// </summary>
        All = Edge.Top | Edge.Left | Edge.Right | Edge.Bottom
    }
}