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 struct node{
  7     int x,y;
  8     node *next; 
  9 };
 10 
 11 int Life=1;//是否死亡  0代表死亡； 
 12 int x_food,y_food;//食物位置 
 13 char movedir=‘R‘;//方向 
 14 node* SHead=NULL;// 
 15 node* STail=NULL;
 16 node* p=NULL;
 17 int foodnum=0;
 18 int score=0;
 19 int level=0;
 20 int death=0;
 21 int speed=400;
 22 int Stime=0;
 23 int count=0;
 24 
 25 void creatsnakemap();//创建地图 
 26 void creatsnake();//创建蛇 
 27 void gotoxy(int,int);//光标定位函数*
 28 void SetColor(unsigned short);//设置颜色 
 29 void startgame();//开始游戏 
 30 void isdead();//判断是否死亡；
 31 void nofood(int x,int y);//前方没有食物 
 32 void yesfood();//前方有食物 
 33 void makefood();//随机产生食物 
 34 void drawsnake();//画出蛇 
 35 void Snakedelete();//删除蛇的尾巴 
 36 void isfood();//判断前方是否有食物 
 37 void creatscreen();//打印开始屏幕 
 38 void ending();//结束 
 39 bool judge();//判断食物是否出现在蛇身体上 
 40 int time();//计算时间 
 41 
 42 int main()
 43 {
 44     system("mode con cols=80 lines=35");
 45     creatscreen();
 46     creatsnakemap();
 47     creatsnake(); 
 48     startgame();
 49     ending();
 50     while(getch()!=27)
 51         continue;
 52 }
 53 void creatscreen()
 54 {
 55     SetColor(7);
 56     gotoxy(31,10);printf("经典贪吃蛇");
 57     gotoxy(28,12);printf("按任意键开始游戏"); 
 58     gotoxy(28,30);printf("Copyright@_御心飞行"); 
 59     getch();
 60     system("cls");
 61 }
 62 void creatsnakemap()
 63 {
 64     int i;
 65     SetColor(3);
 66     for(i=4;i<50;i+=2)//横墙 
 67     {
 68         gotoxy(i,4);
 69         printf("■");
 70         gotoxy(i,29);
 71         printf("■");
 72         Sleep(30);
 73     }
 74     for(i=4;i<29;i++)//竖墙 
 75     {
 76         gotoxy(4,i);
 77         printf("■");
 78         gotoxy(48,i);
 79         printf("■");
 80         Sleep(30);
 81     }
 82     SetColor(7);
 83     gotoxy(58,13);printf("人头：");
 84     gotoxy(58,15);printf("等级：");
 85     gotoxy(58,17);printf("速度：");
 86     gotoxy(58,19);printf("时间：");
 87 }
 88 void creatsnake()
 89 {
 90     node* newsnake;
 91     int i;
 92     SHead=(node *)malloc(sizeof(node));
 93     STail=SHead;
 94     STail->next=NULL;
 95     for(i=0;i<3;i++)
 96     {
 97         newsnake=(node *)malloc(sizeof(node));
 98         newsnake->next=NULL;
 99         STail->next =newsnake;
100         STail=newsnake;
101     }
102     STail->next=NULL;
103     p=SHead;
104     SetColor(2);
105     gotoxy(p->x=16,p->y=10),printf("◆");
106     p=p->next;
107     SetColor(3);
108     gotoxy(p->x=14,p->y=10),printf("□");
109     p=p->next;
110     gotoxy(p->x=12,p->y=10),printf("□");
111     p=p->next;
112     gotoxy(p->x=10,p->y=10),printf("□");
113     
114 }
115 void startgame()
116 {
117     while(1)
118     {
119         isdead();
120         if(Life==0)
121             break;
122         if(foodnum==0)
123         {
124             makefood();
125             foodnum=1;
126         }
127         if(GetAsyncKeyState(VK_UP)&&movedir!=‘D‘)
128             movedir=‘U‘;
129         if(GetAsyncKeyState(VK_DOWN)&&movedir!=‘U‘)
130             movedir=‘D‘;
131         if(GetAsyncKeyState(VK_LEFT)&&movedir!=‘R‘)
132             movedir=‘L‘;
133         if(GetAsyncKeyState(VK_RIGHT)&&movedir!=‘L‘)
134             movedir=‘R‘;
135         isfood();    //判断前方是否有食物,然后移动一格 
136         Sleep(speed);//刷新时间，即速度； 
137         count++;
138         time();
139         int Olevel=level;
140         SetColor(7);
141         gotoxy(68,13);printf("%d",score);
142         gotoxy(68,15);printf("%d",level=score/7+1);
143         gotoxy(68,17);printf("%d",speed);
144         gotoxy(68,19);printf("%d",Stime);
145         if(Olevel==level-1)//等级判断 
146             if(speed>200)
147                 speed-=60;
148             else if(speed>100)
149                 speed-=40;
150             else if(speed>15)    
151                 speed-=14;
152     }
153     system("cls");
154 }
155 void isfood()
156 {
157     if(movedir==‘U‘)
158     {
159         if(SHead->x==x_food&&SHead->y-1==y_food)//判断 
160             yesfood();    //前方有食物 
161         else
162             nofood(SHead->x,SHead->y-1);//前方没有食物 
163     }    
164     if(movedir==‘D‘)
165     {
166         if(SHead->x==x_food&&SHead->y+1==y_food)
167             yesfood();
168         else
169             nofood(SHead->x,SHead->y+1);
170     }
171     if(movedir==‘L‘)
172     {
173         if(SHead->x-2==x_food&&SHead->y==y_food)
174             yesfood();
175         else
176             nofood(SHead->x-2,SHead->y);
177     }
178     if(movedir==‘R‘)
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     }
186     drawsnake();
187 }
188 void nofood(int x,int y)
189 {
190         node* Nh;//临时头节点 
191         Nh=(node *)malloc(sizeof(node));//设定新的蛇头 
192         Nh->x=x;
193         Nh->y=y;
194         Nh->next=SHead;
195         SHead=Nh;
196         Snakedelete();//删除最后一个节点 
197 }
198 void yesfood()
199 {
200     node* food;
201     food=(node*)malloc(sizeof(node));
202     food->x=x_food;
203     food->y=y_food;
204     food->next=SHead;
205     SHead=food; 
206     foodnum=0;
207     makefood();
208     score++;
209 }
210 void Snakedelete()
211 {
212     p=SHead;
213     while((p->next)->next!=NULL)
214     {
215         p=p->next; 
216     }
217     gotoxy(STail->x,STail->y),printf(" ");
218     free(STail);
219     STail=p;
220     STail->next=NULL;
221 }
222 void drawsnake()
223 { 
224     p=SHead->next;
225     SetColor(2);
226     gotoxy(SHead->x,SHead->y);
227     printf("◆");
228     while(p!=NULL)
229     {
230         SetColor(2);
231         gotoxy(p->x,p->y),printf("□");
232         p=p->next;
233     } 
234 }
235 void isdead()//判断是否死亡 
236 {
237     node* p;
238     if(SHead->y==4&&movedir==‘U‘)//预判是否撞到墙 
239         Life=0;
240     if(SHead->y==29&&movedir==‘D‘)
241         Life=0;
242     if(SHead->x==4&&movedir==‘L‘)
243         Life=0;
244     if(SHead->x==48&&movedir==‘R‘)
245         Life=0;
246     for(p=SHead->next;p!=NULL;p=p->next)//判断是否撞到自己 
247     {
248         if(SHead->x==p->x&&SHead->y==p->y)
249             Life=0;
250     }
251 }
252 void makefood()
253 {
254     srand(time(NULL));
255     do
256     {
257         x_food=rand()%41+5;
258         if(x_food%2==1)
259             x_food++;
260         y_food=(rand()*rand())%23+5;
261     }while(judge());
262     gotoxy(x_food,y_food);
263     SetColor(4);
264     printf("●");
265     foodnum=1;
266 }
267 bool judge()
268 {
269     node* p=SHead;
270     for(;p!=NULL;p=p->next)
271     {
272         if(p->x==x_food&&p->y==y_food)
273             return 1;
274     }
275     return 0;
276 }
277 int time()
278 {
279     Stime=(int)(count/(1000/(double)speed));        
280 } 
281 void ending()
282 {
283     SetColor(6);
284     gotoxy(27,10);printf("game over!   -_-！");
285     SetColor(7);
286     gotoxy(30,14);printf("成绩：%d",score); 
287     gotoxy(30,16);printf("时间：%d",Stime);
288     gotoxy(21,30);printf("我的博客：www.cnblog.com/a1225234/");
289 }
290 void gotoxy(int x, int y)//光标定位函数  x列，y行
291 {
292      COORD coord = {x, y};
293      SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
294 }
295 
296 void SetColor(unsigned short ForeColor) // ForeColor前景色
297 {
298     HANDLE hCon = GetStdHandle(STD_OUTPUT_HANDLE); //获得缓冲区句柄
299     SetConsoleTextAttribute(hCon,ForeColor);//设置文本及背景颜色
300 }