睡前游戏---献给老妹的童年

Posted 2020-10-22 nougat

在构造这个贪吃蛇的时候会需要用到一个链表

蛇的身体和食物重合的时候长度加一，插入法来实现这个步骤

Vs 完美支持

源代码在此

  1 #include<stdio.h>
  2 #include<time.h>
  3 #include<windows.h>
  4 #include<stdlib.h>
  5 
  6 #define U 1
  7 #define D 2
  8 #define L 3 
  9 #define R 4 //蛇的状态，U：上 ；D：下；L:左 R：右
 10 
 11 typedef struct SNAKE //蛇身的一个节点
 12 {
 13     int x;
 14     int y;
 15     struct SNAKE *next;
 16 }snake;
 17 
 18 //全局变量//
 19 int score = 0, add = 10;//总得分与每次吃食物得分。
 20 int status, sleeptime = 200;//每次运行的时间间隔
 21 snake *head, *food;//蛇头指针，食物指针
 22 snake *q;//遍历蛇的时候用到的指针
 23 int endgamestatus = 0; //游戏结束的情况，1：撞到墙；2：咬到自己；3：主动退出游戏。
 24 
 25                        //声明全部函数//
 26 void Pos();            //设置光标位置
 27 void creatMap();
 28 void initsnake();
 29 int biteself();
 30 void createfood();
 31 void cantcrosswall();
 32 void snakemove();
 33 void pause();
 34 void gamecircle();
 35 void welcometogame();
 36 void endgame();
 37 void gamestart();
 38 
 39 void Pos(int x, int y)//设置光标位置
 40 {
 41     COORD pos;
 42     HANDLE hOutput;
 43     pos.X = x;
 44     pos.Y = y;
 45     hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
 46     SetConsoleCursorPosition(hOutput, pos);
 47 }
 48 
 49 void creatMap()//创建地图
 50 {
 51     int i;
 52     for (i = 0; i<58; i += 2)//打印上下边框
 53     {
 54         Pos(i, 0);
 55         printf("■");
 56         Pos(i, 26);
 57         printf("■");
 58     }
 59     for (i = 1; i<26; i++)//打印左右边框
 60     {
 61         Pos(0, i);
 62         printf("■");
 63         Pos(56, i);
 64         printf("■");
 65     }
 66 }
 67 
 68 void initsnake()//初始化蛇身
 69 {
 70     snake *tail;
 71     int i;
 72     tail = (snake*)malloc(sizeof(snake));//从蛇尾开始，头插法，以x,y设定开始的位置//
 73     tail->x = 24;
 74     tail->y = 5;
 75     tail->next = NULL;
 76     for (i = 1; i <= 4; i++)
 77     {
 78         head = (snake*)malloc(sizeof(snake));
 79         head->next = tail;
 80         head->x = 24 + 2 * i;
 81         head->y = 5;
 82         tail = head;
 83     }
 84     while (tail != NULL)//从头到为，输出蛇身
 85     {
 86         Pos(tail->x, tail->y);
 87         printf("■");
 88         tail = tail->next;
 89     }
 90 }
 91 
 92 int biteself()//判断是否咬到了自己
 93 {
 94     snake *self;
 95     self = head->next;
 96     while (self != NULL)
 97     {
 98         if (self->x == head->x && self->y == head->y)
 99         {
100             return 1;
101         }
102         self = self->next;
103     }
104     return 0;
105 }
106 
107 void createfood()//随机出现食物
108 {
109     snake *food_1;
110     srand((unsigned)time(NULL));
111     food_1 = (snake*)malloc(sizeof(snake));
112     while ((food_1->x % 2) != 0) //保证其为偶数，使得食物能与蛇头对其
113     {
114         food_1->x = rand() % 52 + 2;
115     }
116     food_1->y = rand() % 24 + 1;
117     q = head;
118     while (q->next == NULL)
119     {
120         if (q->x == food_1->x && q->y == food_1->y) //判断蛇身是否与食物重合
121         {
122             free(food_1);
123             createfood();
124         }
125         q = q->next;
126     }
127     Pos(food_1->x, food_1->y);
128     food = food_1;
129     printf("■");
130 }
131 
132 void cantcrosswall()//不能穿墙
133 {
134     if (head->x == 0 || head->x == 56 || head->y == 0 || head->y == 26)
135     {
136         endgamestatus = 1;
137         endgame();
138     }
139 }
140 
141 void snakemove()//蛇前进,上U,下D,左L,右R
142 {
143     snake * nexthead;
144     cantcrosswall();
145 
146     nexthead = (snake*)malloc(sizeof(snake));
147     if (status == U)
148     {
149         nexthead->x = head->x;
150         nexthead->y = head->y - 1;
151         if (nexthead->x == food->x && nexthead->y == food->y)//如果下一个有食物//
152         {
153             nexthead->next = head;
154             head = nexthead;
155             q = head;
156             while (q != NULL)
157             {
158                 Pos(q->x, q->y);
159                 printf("■");
160                 q = q->next;
161             }
162             score = score + add;
163             createfood();
164         }
165         else //如果没有食物//
166         {
167             nexthead->next = head;
168             head = nexthead;
169             q = head;
170             while (q->next->next != NULL)
171             {
172                 Pos(q->x, q->y);
173                 printf("■");
174                 q = q->next;
175             }
176             Pos(q->next->x, q->next->y);
177             printf(" ");
178             free(q->next);
179             q->next = NULL;
180         }
181     }
182     if (status == D)
183     {
184         nexthead->x = head->x;
185         nexthead->y = head->y + 1;
186         if (nexthead->x == food->x && nexthead->y == food->y) //有食物
187         {
188             nexthead->next = head;
189             head = nexthead;
190             q = head;
191             while (q != NULL)
192             {
193                 Pos(q->x, q->y);
194                 printf("■");
195                 q = q->next;
196             }
197             score = score + add;
198             createfood();
199         }
200         else //没有食物
201         {
202             nexthead->next = head;
203             head = nexthead;
204             q = head;
205             while (q->next->next != NULL)
206             {
207                 Pos(q->x, q->y);
208                 printf("■");
209                 q = q->next;
210             }
211             Pos(q->next->x, q->next->y);
212             printf(" ");
213             free(q->next);
214             q->next = NULL;
215         }
216     }
217     if (status == L)
218     {
219         nexthead->x = head->x - 2;
220         nexthead->y = head->y;
221         if (nexthead->x == food->x && nexthead->y == food->y)//有食物
222         {
223             nexthead->next = head;
224             head = nexthead;
225             q = head;
226             while (q != NULL)
227             {
228                 Pos(q->x, q->y);
229                 printf("■");
230                 q = q->next;
231             }
232             score = score + add;
233             createfood();
234         }
235         else //没有食物
236         {
237             nexthead->next = head;
238             head = nexthead;
239             q = head;
240             while (q->next->next != NULL)
241             {
242                 Pos(q->x, q->y);
243                 printf("■");
244                 q = q->next;
245             }
246             Pos(q->next->x, q->next->y);
247             printf(" ");
248             free(q->next);
249             q->next = NULL;
250         }
251     }
252     if (status == R)
253     {
254         nexthead->x = head->x + 2;
255         nexthead->y = head->y;
256         if (nexthead->x == food->x && nexthead->y == food->y)//有食物
257         {
258             nexthead->next = head;
259             head = nexthead;
260             q = head;
261             while (q != NULL)
262             {
263                 Pos(q->x, q->y);
264                 printf("■");
265                 q = q->next;
266             }
267             score = score + add;
268             createfood();
269         }
270         else //没有食物
271         {
272             nexthead->next = head;
273             head = nexthead;
274             q = head;
275             while (q->next->next != NULL)
276             {
277                 Pos(q->x, q->y);
278                 printf("■");
279                 q = q->next;
280             }
281             Pos(q->next->x, q->next->y);
282             printf(" ");
283             free(q->next);
284             q->next = NULL;
285         }
286     }
287     if (biteself() == 1) //判断是否会咬到自己
288     {
289         endgamestatus = 2;
290         endgame();
291     }
292 }
293 
294 void pause()//暂停
295 {
296     while (1)
297     {
298         Sleep(300);
299         if (GetAsyncKeyState(VK_SPACE))
300         {
301             break;
302         }
303 
304     }
305 }
306 
307 void gamecircle()//控制游戏 
308 {
309 
310     Pos(75, 10);
311     printf("不能穿墙，不能咬到自己\\n");
312     Pos(75, 12);
313     printf("用↑.↓.←.→分别控制蛇的移动.");
314     Pos(75, 14);
315     printf("F1 为加速，F2 为减速\\n");
316     Pos(75, 16);
317     printf("ESC ：退出游戏.\\n");
318     Pos(75, 18);
319     printf("space：暂停游戏.");
320     Pos(70, 24);
321     printf("博主主页http://www.cnblogs.com/nougat/");
322     status = R;
323     while (1)
324     {
325         Pos(60, 3);
326         printf("得分：%d ", score);
327         Pos(60, 5);
328         printf("每个食物得分：%d分", add);
329         if (GetAsyncKeyState(VK_UP) && status != D)
330         {
331             status = U;
332         }
333         else if (GetAsyncKeyState(VK_DOWN) && status != U)
334         {
335             status = D;
336         }
337         else if (GetAsyncKeyState(VK_LEFT) && status != R)
338         {
339             status = L;
340         }
341         else if (GetAsyncKeyState(VK_RIGHT) && status != L)
342         {
343             status = R;
344         }
345         else if (GetAsyncKeyState(VK_SPACE))
346         {
347             pause();
348         }
349         else if (GetAsyncKeyState(VK_ESCAPE))
350         {
351             endgamestatus = 3;
352             break;
353         }
354         else if (GetAsyncKeyState(VK_F1))
355         {
356             if (sleeptime >= 50)
357             {
358                 sleeptime = sleeptime - 30;
359                 add = add + 2;
360                 if (sleeptime == 320)
361                 {
362                     add = 2;//防止减到1之后再加回来有错
363                 }
364             }
365         }
366         else if (GetAsyncKeyState(VK_F2))
367         {
368             if (sleeptime<350)
369             {
370                 sleeptime = sleeptime + 30;
371                 add = add - 2;
372                 if (sleeptime == 350)
373                 {
374                     add = 1; //保证最低分为1
375                 }
376             }
377         }
378         Sleep(sleeptime);
379         snakemove();
380     }
381 }
382 
383 void welcometogame()//开始界面
384 {
385     Pos(48, 12);
386 
387     system("title 睡前小游戏，嘿嘿");
388     printf("带你回小时候的贪吃蛇");
389     Pos(48, 25);
390     system("pause");
391     system("cls");
392     Pos(34, 12);
393     printf("用↑.↓.←.→分别控制蛇的移动， F1 为加速，2 为减速\\n");
394     Pos(48, 14);
395     printf("加速将能得到更高的分数。\\n");
396     Pos(52, 25);
397     system("pause");
398     system("cls");
399 }
400 
401 void endgame()//结束游戏
402 {
403 
404     system("cls");
405     Pos(48, 12);
406     if (endgamestatus == 1)
407     {
408         printf("不能撞墙的哈.");
409     }
410     else if (endgamestatus == 2)
411     {
412         printf("不能吃自己的");
413     }
414     else if (endgamestatus == 3)
415     {
416         printf("游戏结束啦");
417     }
418     Pos(48, 15);
419     printf("    得分%d分\\n", score);
420     exit(0);
421 }
422 
423 void gamestart()//游戏初始化
424 {
425     system("mode con cols=100 lines=30");
426     welcometogame();
427     creatMap();
428     initsnake();
429     createfood();
430 }
431 
432 int main()
433 {
434     gamestart();
435     gamecircle();
436     endgame();
437     return 0;
438 }