Demogo/Snake.cs

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


namespace Demogo
{   
    public  enum MyDirection
    {
        Up,
        Down,
        Left,
        Right
    }
    public class Snake
    {   
        //用于存放蛇的集合
        private List<Block> blocksList;
        //蛇头的编号，蛇的长度
        private int headNumber;
        //蛇头左下的坐标
        private Point headPoint;
        private Point mapLeft;
        //开始时初始的蛇
        public Snake(Point map,int count)
        {
            mapLeft = map;
            Block blockSnake;
            //定义蛇的位置
            Point p = new Point(map.X + 215, map.Y + 245);
            blocksList = new List<Block>();
            //循环画蛇块用于填充蛇的集合
            for (int i = 0; i < count; i++)
            {   
                //x坐标加15
                p.X += 15;
                //实例化蛇块
                blockSnake = new Block();
                //定义蛇左上角的位置
                blockSnake.Origin = p;
                //定义蛇块位置的编号
                blockSnake.BlockNumber = i + 1;
                if (i == count - 1)
                {   
                    //蛇头
                    //给蛇头位置赋值
                    headPoint = blockSnake.Origin;
                }
                blocksList.Add(blockSnake);
            }
            //蛇的长度赋值
            headNumber = count;

        }
        public Rectangle rectangle()
        {
            Rectangle rec = new Rectangle(blocksList[0].Origin, new Size(15, 15));