Surfaces.cs

Siirry tämän tiedoston dokumentaatioon.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;

namespace Jypeli
{
    public struct Surfaces : IEnumerable<Surface>
    {
        internal Surface l, r, t, b;

        public Surface Left
        {
            get { return l; }
        }

        public Surface Right
        {
            get { return r; }
        }

        public Surface Top
        {
            get { return t; }
        }

        public Surface Bottom
        {
            get { return b; }
        }

        public IEnumerator<Surface> GetEnumerator()
        {
            if ( Left != null ) yield return Left;
            if ( Right != null ) yield return Right;
            if ( Top != null ) yield return Top;
            if ( Bottom != null ) yield return Bottom;
        }

        IEnumerator IEnumerable.GetEnumerator()
        {
            if ( Left != null ) yield return Left;
            if ( Right != null ) yield return Right;
            if ( Top != null ) yield return Top;
            if ( Bottom != null ) yield return Bottom;
        }

        public IEnumerable<Surface> Get( params Direction[] directions )
        {
            if ( directions.Contains(Direction.Left) && Left != null ) yield return Left;
            if ( directions.Contains(Direction.Right) && Right != null ) yield return Right;
            if ( directions.Contains(Direction.Up) && Top != null ) yield return Top;
            if ( directions.Contains(Direction.Down) && Bottom != null ) yield return Bottom;
        }
    }
}