C 语言实现贪吃蛇

//在这里我要吐槽，什么编码格式，复制上来之后格式没有了，全是第一行对齐，我要一个一个tab敲！！！！！

#include <stdio.h>
#include <conio.h>
#include <windows.h>
#include <stdlib.h>
#include <time.h>
#define LEN sizeof(struct Part)

    typedef struct Part Sneak;
    void bodymove(char direct);
    void primarybody();
    void bodyadd(int x, int y);
    void bodyprint();
    void bodydelete();
    void gotoxy(int x, int y);
    void gotoprint(int x, int y);
    void creatfood();
    void mapprint();
    bool eat_food();
    bool is_over();
    int color(int c);
    Sneak* head, * p1, * p2;
    int score = 0;

    //蛇身元素
    struct Part
    {
        int x;
        int y;
        Sneak* next;
    };

    //食物
    struct Food
    {
        int x;
        int y;
    }food;

    int main()
    {
        char str;
        int speed = 100;//速度
        char name[100];//玩家名字
        printf("请输入你想用来记录成绩的名称（不能超过6个字符）：\n");
        scanf_s("%s", name,6);
        system("cls");//清屏函数，需要#include <windows.h>
        color(10);//设置背景颜色
        primarybody();//初始化身体
        mapprint();//打印地图
        bodyprint();//打印蛇身
        creatfood();//创造食物
   
   /*
   _getch()是非阻塞IO输入，你不需要回车就可被读取，需要#include <conio.h>    
   
   */
        while (str = _getch())//当有输入的时候改变状态（暂停，改变方向）,没有的话一直执行 # 处的循环，实现一直走
        {
            if (str == 'p')//暂停
            {
                system("pause");//暂停函数，需要#include<windows.h>
                str = _getch();
            }
            while (1)//#
            {
                if (is_over())//是否结束（撞墙）
            goto here;
                if (eat_food())//判断是否头部坐标是否等于食物坐标
                {
                    score++;
                    bodymove(str);
                    creatfood();
                }
                if (_kbhit())//检测键盘是否有输入，有为true
                    break;
                bodymove(str);
                bodyprint();//打印身体
                bodydelete();//清除身体尾部
                //通过不停的打印身体和清除身体，来实现移动的效果
                gotoxy(0, 27);
                printf("Your score:%d个%s", score, name);
                Sleep(speed);//函数休眠函数，需要#include<windows.h>
                speed = 10 * (10 - score / 10);//速度为成绩的函数，成绩越高，移动越快。
            }
        }
        here:
        system("cls");
        system("pause");
        gotoxy(35, 13);
        printf("Game Over!\n");
        return 0;
    }

    bool is_over()
    {
        p1 = head->next;
        while (p1 != NULL)
        {
            if (p1->x == head->x && p1->y == head->y)
                return 1;
            p1 = p1->next;
        }
        if (head->x == 68 || head->x == 0 || head->y == 0 || head->y == 26)
            return 1;
        return 0;
    }

    void mapprint()//打印地图
    {
        int i;
        for (i = 0; i < 70; i += 2)
        {
            gotoprint(i, 0);
            gotoprint(i, 26);
        }
        for (i = 0; i <= 26; i++)
        {
            gotoprint(0, i);
            gotoprint(70, i);
        }
    }

    void creatfood()
    {

        srand(time(NULL));//设置随机函数种子
        int x, y;
        the:
        x = int(rand()) % 66 + 2;
        if (x % 2 != 0)
            x++;
        y = int(rand()) % 25 + 1;
        p1 = head;
        while (p1 != NULL)
        {
            if (x == p1->x && y == p1->y)  //避免食物和头部重复
         goto the;
            p1 = p1->next;
        }
        food.x = x, food.y = y;
        gotoxy(food.x, food.y);
        printf("⊙");
    }
    bool eat_food()
    {
        if ((head->x == food.x) && head->y == food.y)
            return 1;
        return 0;
    }

    void bodymove(char direct)
    {
        switch (direct)
        {
            case 'w':bodyadd(head->x, head->y - 1); break;
            case 's':bodyadd(head->x, head->y + 1); break;
            case 'a':bodyadd(head->x - 2, head->y); break;
            case 'd':bodyadd(head->x + 2, head->y); break;
            default:break;
        }
    }

    void bodyadd(int x, int y)
    {
        p1 = (Sneak*)malloc(LEN);
        p1->x = x;
        p1->y = y;
        p1->next = head;
        head = p1;
    }
    void bodydelete()
    {
        p1 = head;
        while (p1->next != NULL)
        {
            p2 = p1;
            p1 = p1->next;
        }
        gotoxy(p1->x, p1->y);
        printf("  ");
        free(p1);
        p2->next = NULL;

    }

    void bodyprint()
    {
        Sneak* p;
        p = head;
        while (p != NULL)
        {
            gotoprint(p->x, p->y);
            p = p->next;
        }
        //gotoprint(p->x,p->y);
    }

    void primarybody()
    {
        int n = 5;
        p2 = p1 = (Sneak*)malloc(LEN);
        p1->x = 26;
        p2->y = n;
        while (n-- > 1)
        {
            if (n == 4) head = p1;
            else p2->next = p1;
            p2 = p1;
            p1 = (Sneak*)malloc(LEN);
            p1->x = 26;
            p1->y = n;
        }
        p2->next = NULL;
    }

    void gotoxy(int x, int y)//将光标定位到坐标x,y处
    {
        COORD pos;
        HANDLE hOutput;
        pos.X = x;
        pos.Y = y;
        hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
        SetConsoleCursorPosition(hOutput, pos);
    }

    void gotoprint(int x, int y)
    {
        gotoxy(x, y);
        printf("■");
    }

    int color(int c)
    {
        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), c);
        return 0;
    }