开放原子开发者工作坊

代码：

#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <conio.h>
#include <time.h>
#define SCREEN_WIDTH  40   /*游戏屏幕宽度*/
#define SCREEN_LENGTH 15   /*游戏屏幕长度*/
#define START_X 16         /*屏幕起始X坐标*/
#define START_Y 2          /*屏幕起始y坐标*/

enum direc{up, down, left, right};  /*蛇的运动方向*/

typedef struct snake{               /*蛇身结构体*/
 int x;
 int y;
 struct snake *next;
 struct snake *pre;
 struct snake *end;
}SNAKE;

typedef struct{                /*食物*/
 int x;
 int y;
}FOOD;

void HideCursor()         /*隐藏光标，用到了一些CONSOLE API*/
{
 HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
 CONSOLE_CURSOR_INFO cci;
 GetConsoleCursorInfo(hOut, &cci);
 cci.bVisible = FALSE;
 SetConsoleCursorInfo(hOut, &cci);
}

void GotoRood(int x, int y)    /*光标跳跃到某个位置，用了 CONSOLE API*/
{
 HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
 COORD cod;
 cod.X = x;
 cod.Y = y;
 SetConsoleCursorPosition(hOut, cod);
}
//  sleep()代替delay  sleep(500)表示延迟500ms

int Random(int n)          /*随机生成食物的位置*/
{
    srand(time(NULL));
    return (rand() % n);
}

void BuildSnk(SNAKE *head)  /*构造蛇身*/
{
 SNAKE *p = head;
 while (p != NULL)
 {
    GotoRood(p->x, p->y);
    printf("#");
    p = p->next;
 }
}
void BuildBody(SNAKE *head)  /*构造蛇身*/
{
 SNAKE *p = head;
 while (p != NULL)
 {
    GotoRood(p->x, p->y);
    printf("#");
    p = p->next;
 }
}

void RemoveSnk(SNAKE *head)   /*清除函数*/
{
 SNAKE *p = head;
 while (p != NULL)
 {
  GotoRood(p->x, p->y);
  printf(" ");
  p = p->next;
 }
}

void Move(int *d)  //移动方向

{
 char ch;
 while(_kbhit())
 {
  ch = getch();
  if (ch == 72)
  {
    if ((*d == left || *d == right) && *d != down)
      *d = up;
  }
     else if (ch == 80)
        {
       if ((*d == left || *d == right) && *d != up)
        *d = down;
        }
     else if (ch == 75)
     {
    if ((*d == up || *d == down) && *d != right)
       *d = left;
     }
  else if (ch == 77)
     {
       if ((*d == up || *d == down) && *d != left)
      *d = right;
    }
 }
}

void IniScreen(SNAKE *head)   /*初始化屏幕*/
{
 int i,j;
 SNAKE *p1, *p2;
 
 HideCursor();
 GotoRood(START_X,START_Y);
 for (i = 0; i < SCREEN_WIDTH + 2; i++)
   printf("-");
    for (j = 1; j <= SCREEN_LENGTH; j++)
 {
  GotoRood(START_X + SCREEN_WIDTH + 1, START_Y + j);
  printf("|");
 }
 GotoRood(START_X, START_Y + SCREEN_LENGTH + 1);
 for (i = 0; i < SCREEN_WIDTH + 2; i++)
      printf("-");
  GotoRood(START_X-1, START_Y + SCREEN_LENGTH + 2);
 for (i = 0; i < SCREEN_WIDTH + 4; i++)
      printf("-");
    for (j = 1; j <= SCREEN_LENGTH; j++)
    {
     GotoRood(START_X,START_Y + j);
     printf("|");
    }
    GotoRood(0,0);
 printf("    ** **\n   *******\n   *******\n    *****\n     ***\n      *\n");
    GotoRood(START_X + 20, START_Y - 1);
    printf("1398917019@qq.com  于加娟");
    GotoRood(1,START_Y +4);
    printf("--------------\n --------------\n 游戏说明：\n\n ↑设置等级\n\n 按〖回车〗开始\n\n ↑↓←→\n 控制方向\n --------------\n --------------\n");
    head->x = START_X + SCREEN_WIDTH / 2;
 head->y = START_Y + 8;
 head->pre = NULL;
 p1 = head;
 i = 0;
 while (++i < 3)
 {
  
  p2 = p1;
  p1 = (SNAKE *)malloc(sizeof(SNAKE));
  p1->x = START_X + SCREEN_WIDTH / 2;
      p1->y = START_Y + 8 + i;
      p1->end = NULL;
  p2->next = p1;
  p1->pre = p2; 
 }
 p1->next = NULL;
 head->end = p1;
 BuildBody(head);
}

void CreatFood(FOOD *fd, SNAKE *snk)  /*做吃的，记得增加一个功能就是让食物不与蛇体冲突*/
{
 SNAKE *p = snk;
 int clash = 0;    /*标记食物位置是否和蛇发生冲突*/
 while(1)
 {
   clash = 0;
   fd->x = START_X + 1 + Random(SCREEN_WIDTH);  /* x控制在边宽内 */
   fd->y = START_Y + 1 + Random(SCREEN_LENGTH);  /* y控制在变长内 */
   for (;p != NULL ;p = p->next)
     if (fd->x == p->x && fd->y == p->y)
        {
        clash = 1;
        break;
        }
      if (clash == 0)
       break;
 }
 GotoRood(fd->x, fd->y);
 printf("*");
}

void CollisionTest(SNAKE *head)
{
 if (head->x == START_X)  /*一头撞在左墙上.....*/
    head->x = START_X + SCREEN_WIDTH;   /*嗯...那从右边出来吧*/
    else if (head->x == START_X + SCREEN_WIDTH + 1) /*..换个方向接着撞....*/
       head->x = START_X + 1;
    else if (head->y == START_Y)     /*...再向上撞...*/
       head->y = START_Y + SCREEN_LENGTH;
    else if (head->y == START_Y + SCREEN_LENGTH + 1)    /*下面也不能放过...*/
       head->y = START_Y + 1;
}

int Eated(SNAKE *head, FOOD *fd)            /*....有木有吃到食物*/
{
 if (head->x == fd->x && head->y == fd->y)
   return 1;
    return 0;
}

int GameOver(SNAKE *head)      /*判断游戏结束了没.*/
{
 SNAKE *p;
 for(p = head->next; p != NULL; p = p->next)
 {
  if (head->x == p->x && head->y == p->y)
     return 1;
 }
 return 0;
}

void gameing()   /*游戏过程*/
{
 int i = 0, eat = 0, rank, scorelimit = 0, score = 0;
 int direct = up;   /*  初始方向为向上 */
 time_t grade = 1;      /*  初始等级为1 */
 FOOD *fd;
 SNAKE *head, *ptemp, *pnew;  /*最少3个蛇身 + 1个蛇头的时候才会挂。  */
 
 head = (SNAKE *)malloc(sizeof(SNAKE));
 fd = (FOOD *)malloc(sizeof(FOOD));
 GotoRood(START_X, START_Y - 1);
 printf("Grade: %d", grade);
 GotoRood(START_X + 10, START_Y - 1);
 printf("Score: %-3d", score);
 IniScreen(head);
 CreatFood(fd, head);
 while(rank = getch())      /*接受按键...↑设置等级【空格】开始游戏*/
 {
  if (rank == 72)
        {
    grade = ++grade % 10;
    if (grade == 0)
      grade = 1;
    GotoRood(START_X, START_Y - 1);
       printf("Grade: %d", grade);
        }
        else if (rank == 13)
   break;
 }
 while (1)  
 {
  RemoveSnk(head);            
  ptemp = (SNAKE *)malloc(sizeof(SNAKE));   /*临时的，用来增加在蛇的头部*/
  Move(&direct);   /*....接受用户选择蛇的运动方向*/
  switch(direct)
  {
   case up: ptemp->x = head->x;
            ptemp->y = head->y - 1;
            break;
            case down: ptemp->x = head->x;
              ptemp->y = head->y + 1;
                       break;
   case left: ptemp->x = head->x - 1;
              ptemp->y = head->y;
              break;
   case right: ptemp->x = head->x + 1;
               ptemp->y = head->y;
               break;
  }
  if (!eat)    /*如果没吃到，那自然增加蛇的长度*/
        {
           ptemp->end = head->end->pre;   /*将蛇的尾端位置改变，边为倒数第二个*/
           head->end->pre->next = NULL;  /*再连接下...*/
     free(head->end);             
     head->end = NULL;
        }
        else
      {
           ptemp->end = head -> end;/*吃到了。。在原有的基础上换一个头，这样就多了一节*/
      }
  head->pre = ptemp;          /*。。队列连接*/
  ptemp->next = head;
  ptemp->pre = NULL;
  head = ptemp;
  if (eat = Eated(head, fd)) 
        {
    CreatFood(fd,head);
    score += grade;     /*吃到了，就加分*/
    scorelimit += grade;  
    if (scorelimit / 50 && grade <= 10)  /*这个用来增加等级。*/
          {                                    /*每过一次50分,等级增加一次，10级是上限..嘿嘿*/
             GotoRood(START_X, START_Y - 1);
          printf("Grade: %d", ++grade);
          scorelimit = score % 50;
          }
    GotoRood(START_X + 10, START_Y - 1);
          printf("Score: %-3d", score);
        }
        if (GameOver(head))   /*游戏是否结束....*/
        {
         BuildSnk(head);   /*留下最后的英姿。。。吃货该死..*/
         GotoRood(START_X + SCREEN_WIDTH / 2, START_Y + SCREEN_LENGTH / 2);
         puts("Game Over!\n");
         return;
        }
  CollisionTest(head);   /*碰撞测试*/
  BuildSnk(head);
  Sleep((10 - grade) * 50);  /*延时...程序会暂停(10 - grade)*50ms 的时间, windows.h里的函数*/
 }
}

int main()
{
 gameing();
 return 0;
}

执行结果：