c/c++语言开发共享小游戏一之———贪食蛇教程

  1 #include<stdio.h>   2 #include<stdlib.h>   3 #include<conio.h>    4 #include<windows.h>   5 //游戏画面大小    6 #define height 25//高    7 #define wide 45//宽    8 typedef struct   9 {  10     int x;//x坐标   11     int y;//y坐标   12       13 }point;  14   15 char direction='w';//方向   16 int point=0;//分数   17   18 void init(point*snake,int bodynum);//初始化，设定蛇身的坐标   19 void move(point*snake,int *bodynum);//  20 void printsnake(point * snake,int bodynum);//打印蛇   21 char controlmove();//控制移动   22   23 void change(point*snake,int bodynum);//改变蛇的坐标   24 void clean(point*snake,int bodynum);//在屏幕上清除之前的蛇   25   26 void printwall();//打印墙壁   27 int isdead(point*snake,int bodynum);//判断蛇是否死亡 是返回1 非返回0   28 void food(point*snake,int bodynum);//随机产生食物   29 int eatfood(point*snake,int *bodynum);//判断是否吃到食物 是返回1 非返回0   30   31 void hidecursor();//隐藏光标   32 void gotoxy (int x,int y);//光标位置移动到指定的坐标   33   34 void hidecursor()  35 {  36      console_cursor_info cursor_info = {1, 0};  37      setconsolecursorinfo(getstdhandle(std_output_handle), &cursor_info);  38 }  39 void gotoxy (int x,int y)  40 {    41    handle handle=getstdhandle(std_output_handle);  42    coord pos;  43    pos.x=x;  44    pos.y=y;  45    setconsolecursorposition(handle,pos);  46 }  47   48 int main()  49 {  50     point snake[64];//表示蛇  51     int bodynum=6;//蛇身的个数,初始化6个   52     srand(time(null));//设置随机种子   53        54     hidecursor();  55     init(snake,bodynum);  56     printwall();  57     food(snake,bodynum);  58     printsnake(snake,bodynum);  59       60     while(1)  61     {      62         move(snake,&bodynum);  63         sleep(200-point);//分数越高速度越快   64     }  65           66 }  67   68 void init(point*snake,int bodynum)  69 {  70     int i;  71     snake[0].x=height/2;  72     snake[0].y=wide/2;  73     for(i=1;i<bodynum;i++)  74     {        //让蛇一开始在画面中间   75             snake[i].x=height/2+i;  76             snake[i].y=wide/2;  77     }      78 }  79   80 void move(point*snake,int *bodynum)  81 {      82     char dir=controlmove();//获取用户输入的按键   83     clean(snake,*bodynum);//清除之前的蛇   84     change(snake,*bodynum);//每次移动时都改变坐标  85     //改变蛇头的坐标   86     switch(dir)  87     {  88         case 'w':  89             snake[0].y--;  90             break;  91         case 's':  92             snake[0].y++;  93             break;  94         case 'a':  95             snake[0].x--;  96             break;  97         case 'd':  98             snake[0].x++;  99             break; 100         default: 101             break;     102     } 103      104     if(eatfood(snake,bodynum))//如果吃到食物  105     {     106      107         if(point>100) 108             point+=5;  109         else 110             point+=10; 111               112         food(snake,*bodynum);//随机产生新的食物  113     } 114          115     printsnake(snake,*bodynum);//打印新的蛇  116     if(isdead(snake,*bodynum))//如果死亡  117     { 118         gotoxy(wide,height); 119         printf("nnngave over"); 120         exit(0);//退出游戏  121     }  122 }  123  124 void printsnake(point * snake,int bodynum) 125 {     126     int i; 127     gotoxy(snake[0].x,snake[0].y);//蛇头位置  128     printf("@"); //蛇头  129     for(i=1;i<bodynum;i++) 130     {     131          132         gotoxy(snake[i].x,snake[i].y); 133         printf("*");//蛇身     134     }  135 } 136  137 char controlmove()//控制移动  138 {     139     char input;  140      if(kbhit())//检测是否有输入 有返回1 没有返回0 (非阻塞函数)  141     { 142         input=getch();//返回按下的键 143         if(input=='w'||input=='s'||input=='a'||input=='d') 144             direction=input; 145     } 146   return direction; 147 } 148  149 void change(point*snake,int bodynum) 150 { 151     int i; 152     //移动 原来的蛇头坐标变为第一节蛇身，其余依此类推， 153     for(i=bodynum-1;i>0;i--) 154         snake[i]=snake[i-1]; 155 } 156  157  158  159 void clean(point*snake,int bodynum) 160 { 161     int i; 162     for(i=0;i<bodynum;i++) 163     { 164         gotoxy(snake[i].x,snake[i].y); 165         printf(" "); 166      167     } 168 } 169 void printwall() 170 { 171     int i; 172     for(i=0;i<wide;i++) 173     {     174         gotoxy(i,0); 175         printf("#"); 176         gotoxy(i,height); 177         printf("#"); 178     } 179     for(i=0;i<height;i++) 180     {     181         gotoxy(0,i); 182         printf("#"); 183         gotoxy(wide,i); 184         printf("#"); 185     } 186 } 187  188 int isdead(point*snake,int bodynum) 189 {     190     int i; 191     if(snake[0].x==wide||snake[0].x==0) 192         return 1; 193     if(snake[0].y==height||snake[0].y==0) 194         return 1; 195     for(i=1;i<bodynum;i++) 196     { 197         if(snake[0].x==snake[i].x&&snake[0].y==snake[i].y) 198             return 1; 199     } 200     return 0; 201 } 202  203 void food(point*snake,int bodynum) 204 { 205     int x,y; 206     x=rand()%(wide-1); 207     y=rand()%(height-1); 208     gotoxy(x,y); 209     printf("o"); 210     //将食物的坐标存在数组中  211     snake[bodynum].x=x; 212     snake[bodynum].y=y; 213 } 214  215 int eatfood(point*snake,int *bodynum) 216 {     217      218     if(snake[0].x==snake[*bodynum].x&&snake[0].y==snake[*bodynum].y) 219     {     220         gotoxy(snake[*bodynum].x,snake[*bodynum].y); 221         printf(" "); 222         snake[*bodynum]=snake[*bodynum-1]; 223         snake[*bodynum].x++; 224         (*bodynum)++; 225         return 1; 226     } 227     return 0; 228 }