Buhnenrennen/Buhnenrennen/Groyne.cs

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

namespace Buhnenrennen
{
    class Groyne
    {
        public double YCoord { get; private set; }
        public char Type { get; private set; }

        public Groyne( double yCoord, char type )
        {
            this.YCoord = yCoord;
            this.Type = type;
        }

        /// <summary>
        /// returns if given dog fits through the groyne
        /// </summary>
        /// <param name="dog">the dog, that wants to fit through</param>
        public bool CanPass( Dog dog ) => dog.FitsThrough.Contains( Type );

        /// <summary>
        /// returns the distance between called and given groyne
        /// </summary>
        /// <param name="groyne">groyne to calculate the distance to</param>
        public double DistanceTo( Groyne groyne ) =>
            // distance: distance² = A² + B²
            // A: 70
            // B: difference of Y-Coordinates
            Math.Sqrt( Math.Pow( 70, 2 ) + Math.Pow( YCoord - groyne.YCoord, 2 ) );

        /// <summary>
        /// returns the time the given {dog} needs to get to given {groyne} starting at current groyne
        /// </summary>
        /// <param name="groyne">groyne the dog is running to</param>
        /// <param name="dog">the dog, thats running to the groyne</param>
        public double RequiredTimeTo( Groyne groyne, Dog dog ) => DistanceTo( groyne ) / dog.MeterPerSecond;

        public override string ToString() => Type + "( " + YCoord + " )";
    }
}