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snake

+#include<stdio.h>
+#include<string.h>
+#include<windows.h>
+#include<time.h>
+#include<conio.h>
+#include <stdbool.h> 
+ 
+#define up 'w'
+#define down 's'
+#define left 'a'
+#define right 'd'
+ 
+void welcome();               // 开始界面
+void Finish();                // 结束界面
+void creatgraph();            // 围墙打印
+void gotoxy(int x, int y);    // 光标跳转，横为X 0,1,2..
+void gotoprint(int x, int y); // 跳转打印
+void gotodelete(int x, int y);// 跳转删除
+void creatfood();             // 食物产生
+int ClickControl();           // 获取键盘信号
+int Judge();                  // 游戏结束判断
+void MovingBody();            // 蛇的移动 
+void Eating();                // 蛇吃到东西后的操作（伸长）
+void ChangeBody(int x, int y); // 蛇的坐标变换
+ 
+/*全局变量 + 预处理：*/
+typedef struct Snakes
+{
+    int x;
+    int y;
+    struct Snakes* next;
+}snake;
+ 
+snake* head;    // 声明蛇头指针 
+ 
+// 申明并定义食物 
+struct Food
+{
+    int x;
+    int y;
+}food;
+ 
+char name[20];  // 保存用户名 有兴趣可以制作登录系统 
+int score = 0;  // 分数 
+char click = 1; // 记录敲下的键盘按键 
+int speed;      // 速度 其实是延迟的毫秒数 
+ 
+/************************************************************/
+ 
+int main()
+{
+    system("color 0B"); // 设置控制台字体颜色 
+    welcome();          // 欢迎界面 
+    creatgraph();       // 创建地图 
+    creatfood();        // 新建食物 
+    // 捕获鼠标按键 ClickControl
+    if (ClickControl() == 0) return 0;
+    return 0;
+}
+ 
+/**********************************************************/
+void welcome()
+{
+    gotoxy(15, 10);
+    printf("/**********************************************/");
+    gotoxy(15, 20);
+    printf("/**********************************************/");
+    gotoxy(20, 13);
+    printf("WELCOME TO THE GAME OF RETRO SNAKE");
+    gotoxy(14, 16);
+    printf("请在英文输入法中操作，反向移动等同于吃到自己，wasd控制p暂停");
+    gotoxy(20, 18);
+    printf("PLEASE ENTER YOUR NAME:");
+    scanf_s("%s", &name, 20);
+    system("cls");
+}
+ 
+/**********************************************************/
+void creatgraph() {
+    int i;
+    /*
+    注意这里横坐标是每次+2 因为控制台字符宽高比为1：2
+    */
+    for (i = 0; i < 58; i += 2)
+    {
+        gotoprint(i, 0);
+        gotoprint(i, 26);
+    }
+    for (i = 1; i < 26; i++)
+    {
+        gotoprint(0, i);
+        gotoprint(56, i);
+    }
+    gotoxy(63, 10);
+    printf("hello %s,Welcome To Play", name);
+    gotoxy(63, 15);
+    printf("Your Score Is:%d    =￣ω￣= ", score);
+    gotoxy(63, 20);
+    printf("This Game Is Created By JiaQi");
+    head = (snake*)malloc(sizeof(snake));
+    snake* p = (snake*)malloc(sizeof(snake));
+    snake* q = (snake*)malloc(sizeof(snake));
+    head->x = 16;
+    head->y = 15;
+    p->x = 16;
+    p->y = 16;
+    q->x = 16;
+    q->y = 17;
+    head->next = p;
+    p->next = q;
+    q->next = NULL;
+}
+/**********************************************************/
+void gotoxy(int x, int y)
+{
+    // 更新光标位置 
+    COORD pos;
+    HANDLE hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
+    pos.X = x;
+    pos.Y = y;
+    SetConsoleCursorPosition(hOutput, pos);
+    // 隐藏光标 
+    CONSOLE_CURSOR_INFO cursor;
+    cursor.bVisible = FALSE;
+    cursor.dwSize = sizeof(cursor);
+    SetConsoleCursorInfo(hOutput, &cursor);
+}
+ 
+/**********************************************************/
+void gotoprint(int x, int y)
+{
+    gotoxy(x, y);
+    printf("■");
+}
+ 
+/**********************************************************/
+void gotodelete(int x, int y)
+{
+    gotoxy(x, y);
+    printf("  ");
+}
+ 
+/**********************************************************/
+void creatfood()
+{
+    // 随机产生一个食物 
+    bool flag = false;
+    while (!flag)
+    {
+        flag = true;
+        srand((int)time(NULL));//初始化随机数 
+        food.y = rand() % (25 - 1 + 1) + 1;//输出随机数 
+        food.x = rand() % (54 - 2 + 1) + 2;// 从X到Y，有Y－X＋1个数，所以要产生从X到Y的数，只需要这样写： k=rand()%(Y-X+1)+X; 
+        if (food.x % 2 != 0)
+        {
+            food.x = food.x + 1;
+        }
+        snake* judge = head;
+        while (1)  //遍历排除蛇身重复
+        {
+            if (judge->next == NULL) break;
+            if (food.x == judge->x && food.y == judge->y)
+            {
+                flag = false;
+            }
+            judge = judge->next;
+        }
+    }
+    gotoxy(food.x, food.y);
+    printf("⊙");
+}
+ 
+/**********************************************************/
+// 捕获鼠标 游戏主循环 
+int ClickControl()
+{
+    char c;
+    while (1)
+    {
+        if (Judge() == 0) return 0;
+        if (_kbhit())
+        {
+            click = _getch();
+        }
+        MovingBody();
+        Eating();
+    }
+    return 1;
+}
+ 
+/**********************************************************/
+void MovingBody() {
+    int x = head->x, y = head->y;
+    snake* p = head;
+    // 通过先清空后打印实现动画效果
+    while (p->next != NULL) {
+        p = p->next;
+    }
+    gotodelete(p->x, p->y); // 消除尾节点
+    switch (click)
+    {
+    case up:
+        y -= 1;
+        break;
+    case down:
+        y += 1;
+        break;
+    case left:
+        x -= 2;
+        break;
+    case right:
+        x += 2;
+        break;
+    default:
+        break;
+    }
+    if (x != head->x || y != head->y) {
+        // 改变坐标时更新 暂停游戏停止更新蛇 
+        ChangeBody(x, y);
+    }
+    p = head;
+    // 打印蛇头
+    gotoprint(p->x, p->y);
+    // 蛇速度控制 
+    int count = score / 10;
+    if (count <= 10) speed = 150;
+    else if (count > 10 && count <= 20) speed = 100;
+    else if (count > 20 && count <= 40) speed = 50;
+    else speed = 10;
+    Sleep(speed);
+}
+ 
+/**********************************************************/
+// 吃到食物处理 添加一个尾巴 
+void Eating()
+{
+    if (head->x == food.x && head->y == food.y)
+    {
+        creatfood();
+        snake* _new = (snake*)malloc(sizeof(snake));
+        snake* p;
+        p = head;
+        while (1)
+        {
+            if (p->next == NULL) break;
+            p = p->next;
+        }
+        p->next = _new;
+        _new->next = NULL;
+        score += 10;
+        gotoxy(77, 15);
+        printf("%d", score);
+    }
+}
+ 
+/**********************************************************/
+// 更新蛇体坐标 只需要消除尾结点 然后把新坐标结点置为头结点即可 
+void ChangeBody(int x, int y)
+{
+    snake* p = head;
+    while (p->next->next != NULL) {
+        p = p->next;
+    }
+    free(p->next);
+    p->next = NULL;
+    snake* new_head = (snake*)malloc(sizeof(snake));
+    new_head->x = x;
+    new_head->y = y;
+    new_head->next = head;
+    head = new_head;
+}
+ 
+/**********************************************************/
+// 判断是否游戏结束 
+int Judge()
+{
+    if (head->x == 0 || head->x == 56 || head->y == 0 || head->y == 26)
+    {
+        Finish();
+        return 0;
+    }
+    snake* p = head->next;
+    while (1)
+    {
+        if (p == NULL) break;
+        if (head->x == p->x && head->y == p->y)
+        {
+            Finish();
+            return 0;
+        }
+        p = p->next;
+    }
+    return 1;
+}
+ 
+/**********************************************************/
+void Finish()
+{
+    system("cls");
+    gotoxy(15, 10);
+    printf("/**********************************************/");
+    gotoxy(15, 20);
+    printf("/**********************************************/");
+    gotoxy(18, 14);
+    printf("GAME   OVER      o(*￣▽￣*)o");
+    gotoxy(20, 16);
+    printf("Your Score is %d    hiahiahia", score);
+    gotoxy(18, 18);
+    printf("还不错哦，     继续努力O(∩_∩)O");
+    gotoxy(0, 27);
+    // 释放空间 
+    snake* p = head, * q;
+    while (p != NULL) {
+        q = p->next;
+        free(p);
+        p = q;
+    }
+    system("pause");
+}