贪吃蛇代码

  1 #include<stdio.h>
  2 #include<windows.h>
  3 #include<time.h>
  4 #include<conio.h>
  5 #include<stdlib.h>
  6 #include <iostream>
  7 #include <cmath> 
  8 #include <cstring>
  9 using namespace std;
 10 struct node{
 11     int x,y;
 12     node *next;
 13 };
 14 
 15 int Life=1;//是否死亡  0代表死亡；
 16 int x_food,y_food;//食物位置
 17 int x_block[36],y_block[36];//障碍物的位置 
 18 char movedir='R';//方向
 19 node* SHead=NULL;//
 20 node* STail=NULL;
 21 node* p=NULL;
 22 int foodnum=0;
 23 int score=0;
 24 int level=0;
 25 int death=0;
 26 int speed=400;
 27 
 28 void creatsnakemap();//创建地图
 29 void creatsnake();//创建蛇
 30 void gotoxy(int,int);//光标定位函数*
 31 void SetColor(unsigned short);//设置颜色
 32 void startgame();//开始游戏
 33 void makeblock();//产生障碍物 
 34 void isdead();//判断是否死亡；
 35 void nofood(int x,int y);//前方没有食物
 36 void yesfood();//前方有食物
 37 void makefood();//随机产生食物
 38 void drawsnake();//画出蛇
 39 void Snakedelete();//删除蛇的尾巴
 40 void isfood();//判断前方是否有食物
 41 void creatscreen();//打印开始屏幕
 42 void ending();//结束
 43 bool judge();//判断食物是否出现在蛇身体上
 44 int main()
 45 {
 46     system("mode con cols=80 lines=35");
 47     system("color 1f");
 48     creatscreen();
 49     creatsnakemap();
 50     creatsnake();
 51     startgame();
 52     ending();
 53     while(getch()!=27)
 54         continue;
 55 }
 56 void creatscreen()
 57 {
 58     SetColor(7);
 59     gotoxy(31,10);printf("经典贪吃蛇");
 60     gotoxy(28,12);printf("按任意键开始游戏");
 61     gotoxy(28,30);printf("Copyright@_御心飞行");
 62     getch();
 63     system("cls");
 64 }
 65 void creatsnakemap()
 66 {
 67     int i;
 68     SetColor(3);
 69     for(i=4;i<50;i+=2)//横墙
 70     {
 71         gotoxy(i,4);
 72         printf("■");
 73         gotoxy(i,29);
 74         printf("■");
 75         Sleep(30);
 76     }
 77     for(i=4;i<29;i++)//竖墙
 78     {
 79         gotoxy(4,i);
 80         printf("■");
 81         gotoxy(48,i);
 82         printf("■");
 83         Sleep(30);
 84     }
 85     SetColor(7);
 86     gotoxy(58,13);printf("人头：");
 87     gotoxy(58,15);printf("等级：");
 88     gotoxy(58,19);printf("还没有穿墙技能"); 
 89     makeblock();
 90 }
 91 void creatsnake()
 92 {
 93     node* newsnake;
 94     int i;
 95     SHead=(node *)malloc(sizeof(node));
 96     STail=SHead;
 97     STail->next=NULL;
 98     for(i=0;i<3;i++)
 99     {
100         newsnake=(node *)malloc(sizeof(node));
101         newsnake->next=NULL;
102         STail->next =newsnake;
103         STail=newsnake;
104     }
105     STail->next=NULL;
106     p=SHead;
107     SetColor(2);
108     gotoxy(p->x=16,p->y=10),printf("◆");
109     p=p->next;
110     SetColor(3);
111     gotoxy(p->x=14,p->y=10),printf("□");
112     p=p->next;
113     gotoxy(p->x=12,p->y=10),printf("□");
114     p=p->next;
115     gotoxy(p->x=10,p->y=10),printf("□");
116 
117 }
118 void startgame()
119 {
120     while(1)
121     {
122         isdead();
123         if(Life==0)
124             break;
125         if(foodnum==0)
126         {
127             makefood();
128             foodnum=1;
129         }
130         if(GetAsyncKeyState(VK_UP)&&movedir!='D')
131             movedir='U';
132         if(GetAsyncKeyState(VK_DOWN)&&movedir!='U')
133             movedir='D';
134         if(GetAsyncKeyState(VK_LEFT)&&movedir!='R')
135             movedir='L';
136         if(GetAsyncKeyState(VK_RIGHT)&&movedir!='L')
137             movedir='R';
138         isfood();    //判断前方是否有食物,然后移动一格
139         Sleep(speed);//刷新时间，即速度；
140         int Olevel=level;
141         SetColor(7);
142         gotoxy(68,13);printf("%d",score);
143         gotoxy(68,15);printf("%d",level=score/7+1);
144         if(Olevel==level-1)//等级判断
145         {
146             if(speed>200)
147                 speed-=60;
148             else if(speed>100)
149                 speed-=40;
150             else
151                 speed-=14;
152         }
153         SetColor(5);
154         if(level>=5)
155         {
156             gotoxy(58,19);printf("穿墙技能GET.22333"); 
157             gotoxy(58,20);printf("你可放心穿过白墙");
158         }
159     }
160     system("cls");
161 }
162 void isfood()
163 {
164     if(movedir=='U')
165     {
166         if(SHead->x==x_food&&SHead->y-1==y_food)//判断
167             yesfood();    //前方有食物
168         else
169             nofood(SHead->x,SHead->y-1);//前方没有食物
170     }
171     if(movedir=='D')
172     {
173         if(SHead->x==x_food&&SHead->y+1==y_food)
174             yesfood();
175         else
176             nofood(SHead->x,SHead->y+1);
177     }
178     if(movedir=='L')
179     {
180         if(SHead->x-2==x_food&&SHead->y==y_food)
181             yesfood();
182         else
183             nofood(SHead->x-2,SHead->y);
184     }
185     if(movedir=='R')
186     {
187         if(SHead->x+2==x_food&&SHead->y==y_food)
188             yesfood();
189         else
190             nofood(SHead->x+2,SHead->y);
191 
192     }
193     drawsnake();
194 }
195 void nofood(int x,int y)
196 {
197         node* Nh;//临时头节点
198         Nh=(node *)malloc(sizeof(node));//设定新的蛇头
199         Nh->x=x;
200         Nh->y=y;
201         Nh->next=SHead;
202         SHead=Nh;
203         Snakedelete();//删除最后一个节点
204 }
205 void yesfood()
206 {
207     node* food;
208     food=(node*)malloc(sizeof(node));
209     food->x=x_food;
210     food->y=y_food;
211     food->next=SHead;
212     SHead=food;
213     foodnum=0;
214     makefood();
215     score++;
216 }
217 void Snakedelete()
218 {
219     p=SHead;
220     while((p->next)->next!=NULL)
221     {
222         p=p->next;
223     }
224     gotoxy(STail->x,STail->y),printf(" ");
225     free(STail);
226     STail=p;
227     STail->next=NULL;
228 }
229 void drawsnake()
230 {
231     p=SHead->next;
232     SetColor(2);
233     gotoxy(SHead->x,SHead->y);
234     printf("◆");
235     while(p!=NULL)
236     {
237         SetColor(2);
238         gotoxy(p->x,p->y),printf("□");
239         p=p->next;
240     }
241 }
242 void isdead()//判断是否死亡
243 {
244     node* p;
245     if(SHead->y==4&&movedir=='U')//预判是否撞到墙
246     {
247         Life=0;
248         return;
249     }
250     if(SHead->y==29&&movedir=='D')
251     {
252         Life=0;
253         return;
254     }
255     if(SHead->x==4&&movedir=='L')
256     {
257         Life=0;
258         return;
259     }
260     if(SHead->x==48&&movedir=='R')
261     {
262         Life=0;
263         return;
264     }
265     for(p=SHead->next;p!=NULL;p=p->next)//判断是否撞到自己
266     {
267         if(SHead->x==p->x&&SHead->y==p->y)
268         {
269             Life=0;
270             break;
271         }
272     }
273     if(level<5)
274     {
275         for(int i=0;i<36;i++)
276         {
277             if(SHead->x==x_block[i]&&SHead->y==y_block[i])
278             {
279                 Life=0;
280                 break;
281             }        
282         }
283     }
284 }
285 void makefood()//随机产生食物 
286 {
287     srand(time(NULL));
288     do
289     {
290         x_food=rand()%41+5;
291         if(x_food%2==1)
292             x_food++;
293         y_food=(rand()*rand())%23+5;
294     }while(judge());//判断食物是否会产生在蛇的身体上 
295     gotoxy(x_food,y_food);
296     SetColor(4);
297     printf("●");
298     foodnum=1;
299 }
300 void makeblock()//随机产生障碍物 
301 {
302     memset(x_block,0,sizeof(x_block));
303     memset(y_block,0,sizeof(y_block));    
304     int i=0,j=8,k=7,p=2;
305     for(;i<12;i++)
306     {
307         srand(time(NULL));
308         x_block[i]=(rand()*(++p))%39+8;
309         if(x_block[i]%2==1)
310             x_block[i]++;
311         y_block[i]=(rand()*(++k)*i)%22+5;
312         if(y_block[i]%3==0)
313         {
314             gotoxy(x_block[i],y_block[i]);
315             printf("■■");
316             x_block[j]=x_block[i]+2;
317             y_block[j++]=y_block[i];
318         }
319         else if(y_block[i]%3==1)//最坏的情况 
320         {
321             gotoxy(x_block[i],y_block[i]);
322             printf("■");
323             gotoxy(x_block[i],y_block[i]+1);
324             printf("■");
325             gotoxy(x_block[i],y_block[i]+2);
326             printf("■");
327             x_block[j]=x_block[i];
328             y_block[j]=y_block[i]+1;
329             x_block[j+1]=x_block[i];
330             y_block[j+1]=y_block[i]+2;
331             j+=2;        
332         }
333         else
334         {
335             gotoxy(x_block[i],y_block[i]);
336             printf("■■");    
337             x_block[j]=x_block[i]+2;
338             y_block[j]=y_block[i];
339         }
340     }
341 } 
342 bool judge()
343 {
344     node* p=SHead;
345     int i=0;
346     for(;p!=NULL;p=p->next)
347     {
348         if(p->x==x_food&&p->y==y_food)
349             return 1;
350     }
351     for(;i<36;i++)
352     {
353         if(x_food==x_block[i]&&y_food==y_block[i])
354             return 1;
355     }
356     return 0;
357 }
358 void ending()
359 {
360     SetColor(6);
361     gotoxy(27,10);printf("game over!   -_-！");
362     SetColor(7);
363     gotoxy(30,14);printf("成绩：%d",score);
364     gotoxy(21,30);printf("我的博客：www.cnblog.com/a1225234/");
365 }
366 void gotoxy(int x, int y)//光标定位函数  x列，y行
367 {
368      COORD coord = {x, y};
369      SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
370 }
371 
372 void SetColor(unsigned short ForeColor) // ForeColor前景色
373 {
374     HANDLE hCon = GetStdHandle(STD_OUTPUT_HANDLE); //获得缓冲区句柄
375     SetConsoleTextAttribute(hCon,ForeColor);//设置文本及背景颜色
376 }