using Microsoft.Xna.Framework;
using System;
using System.Collections.Generic;
using System.Text;

namespace MonoGame.Extended.Triangulation
{
    /// <summary>
    /// MIT Licensed: https://github.com/nickgravelyn/Triangulator
    /// </summary>
    struct Vertex
    {
        public readonly Vector2 Position;
        public readonly int Index;

        public Vertex(Vector2 position, int index)
        {
            Position = position;
            Index = index;
        }

        public override bool Equals(object obj)
        {
            if (obj.GetType() != typeof(Vertex))
                return false;
            return Equals((Vertex)obj);
        }

        public bool Equals(Vertex obj)
        {
            return obj.Position.Equals(Position) && obj.Index == Index;
        }

        public override int GetHashCode()
        {
            unchecked
            {
                return (Position.GetHashCode() * 397) ^ Index;
            }
        }

        public override string ToString()
        {
            return string.Format("{0} ({1})", Position, Index);
        }
    }
}