c语言的贪吃蛇

楼主大一的，这是14年1月十几号写的一个贪吃蛇，贴出来，和大家分享，嗯

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//贪吃蛇
//加群348538085
#include<stdio.h>
#include<windows.h>
#include<stdlib.h>
#include<conio.h>
#include<time.h>
#define height 28//方块高度
#define width 60//方块宽度 必须偶数


//---------------------------------------------------------
//函数声明
void GameStart();//启动画面
void GameOver();//结束画面
void draw_cube();//画框框
void initialization();//初始化最初的蛇身
void gotoxy(int x,int y);//移动坐标
void move();//决定蛇身如何移动
void p_move();//处理蛇头移动后蛇身指针的移动
void food();//产生食物
void judge_head();//判断蛇头的位置
void static_info();//静态信息，如游戏侧栏文字提示
void dynamic_info();//动态信息，如游戏得分
//---------------------------------------------------------
//全局变量
struct snake
{
short x;
short y;
struct snake *next;
}*head=NULL,*scan=NULL,*pf=NULL,*pb=NULL;


int speed=250;//蛇移动的速度(毫秒)
short length=4;//初始蛇身长度
char direction='d';//蛇头方向有 w/a/s/d
short food_x,food_y,tail_x,tail_y;
short snake_xy[1024];//存储蛇身上每一个节点的坐标 供改变结构体指针坐标使用
short score=0;//游戏得分
short music=1;//吃到食物后是否响铃,默认响
//---------------------------------------------------------
//函数定义区
void initialization()
{
short i;
draw_cube();
for(i=1;i<=length;i++)
{
pb=(struct snake*)malloc(sizeof(struct snake));
pb->y=17;
if(i==1)
{
head=scan=pf=pb;
pb->x=28;
gotoxy(pb->x,pb->y);printf("■");
}
else
{
pb->x=pf->x-2;
gotoxy(pb->x,pb->y);printf("■");
pf->next=pb;
}
pf=pb;
pf->next=NULL;
}
}
void draw_cube()
{
short i;
for(i=1;i<=height;i++)//画左右两列方块
{
gotoxy(0,i);printf("■");
gotoxy(width,i);printf("■");
}
for(i=0;i<=width+1;i+=2)//画上下两行方块
{
gotoxy(i,0);printf("■");
gotoxy(i,height+1);printf("■");
}
}
void gotoxy(int x,int y) 
{
COORD coord;
coord.X=x;
coord.Y=y;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord);
}
void GameStart()
{
draw_cube();
gotoxy(25,10);printf("贪吃蛇游戏");
gotoxy(21,13);printf("Desined by GaoPu in");
gotoxy(8,14);printf("XI'AN UNIVERSITY OF POSTS & TELECOMMUNICATIONS");
gotoxy(22,17);system("pause");
}
void GameOver()
{
system("cls");
draw_cube();
gotoxy(25,10);printf("Game Over");
gotoxy(25,12);printf("得分:%d",score);
gotoxy(22,17);
printf("请按任意键继续...");
getch();
exit(0);
}
void static_info()
{
gotoxy(width+4,2);printf("%c %c %c %c控制",24,25,26,27);
gotoxy(width+4,3);printf("按任意键暂停");
gotoxy(width+4,4);printf("F1加速,F2减速");
gotoxy(width+4,5);printf("F3开关声音");
gotoxy(width+4,8);printf("得分:");
gotoxy(width+4,10);printf("蛇头位置:");
gotoxy(width+4,12);printf("食物位置:");
gotoxy(width+4,14);printf("声音:");
gotoxy(width+4,16);SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_RED|FOREGROUND_INTENSITY);printf("F4:■");//红色
gotoxy(width+4,18);SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_GREEN|FOREGROUND_RED|FOREGROUND_INTENSITY);printf("F5:■");//黄色
gotoxy(width+4,20);SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_GREEN|FOREGROUND_INTENSITY);printf("F6:■");//绿色
gotoxy(width+4,22);SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_BLUE|FOREGROUND_RED|FOREGROUND_INTENSITY);printf("F7:■");//紫色
gotoxy(width+4,24);SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_GREEN|FOREGROUND_BLUE|FOREGROUND_RED|FOREGROUND_INTENSITY);printf("F8:■");//亮白色
gotoxy(width+4,26);SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_GREEN|FOREGROUND_BLUE|FOREGROUND_RED);printf("F9:■");//灰色
}
void dynamic_info()
{
gotoxy(width+9,8);printf("%d",score);
gotoxy(width+13,10);printf("%2d,%2d",head->x,head->y);
gotoxy(width+13,12);printf("%2d,%2d",food_x,food_y);
gotoxy(width+9,14);music==1?printf("开"):printf("关");
}
void move()//游戏核心
{
short a,b;//接收上下左右键
char key_direction='d';
while(!kbhit())//判断是否有按键输入//蛇身移动
{
loop:
gotoxy(food_x,food_y);printf("■");
switch(direction)
{
case 'w':gotoxy(scan->x,scan->y-1);printf("■");p_move(); head->y=head->y-1;break;
case 'a':gotoxy(scan->x-2,scan->y);printf("■");p_move(); head->x=head->x-2;break;
case 's':gotoxy(scan->x,scan->y+1);printf("■");p_move(); head->y=head->y+1;break;
case 'd':gotoxy(scan->x+2,scan->y);printf("■");p_move(); head->x=head->x+2;
}
dynamic_info();
scan=head;
judge_head();
Sleep(speed);
}
scan=head;
a=getch();
b=getch();
switch(a)
{
case 224:switch(b)
{
case 72:key_direction='w';if(direction=='s')key_direction=0; break;
case 75:key_direction='a';if(direction=='d')key_direction=0; break;
case 80:key_direction='s';if(direction=='w')key_direction=0; break;
case 77:key_direction='d';if(direction=='a')key_direction=0;
}break;
case 0:  switch(b)
{
case 59:speed-=20;break;
case 60:speed+=20;break;
case 61:music=music==1?0:1;break;
case 62:system("color 0C");static_info();SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_RED|FOREGROUND_INTENSITY);break;//红色
case 63:system("color 0E");static_info();SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_GREEN|FOREGROUND_RED|FOREGROUND_INTENSITY);break;//黄色
case 64:system("color 0A");static_info();SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_GREEN|FOREGROUND_INTENSITY);break;//绿色
case 65:system("color 0D");static_info();SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_BLUE|FOREGROUND_RED|FOREGROUND_INTENSITY);break;//紫色
case 66:system("color 0F");static_info();SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_GREEN|FOREGROUND_BLUE|FOREGROUND_RED|FOREGROUND_INTENSITY);break;//亮白色
case 67:system("color 08");static_info();SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_GREEN|FOREGROUND_BLUE|FOREGROUND_RED);//灰色
}break;
default: goto loop;
}
if(key_direction)
direction=key_direction;
else
goto loop;
goto loop;
}
void p_move()
{
short i=0;
while(scan->next!=NULL)
scan=scan->next;//scan最终指向蛇尾
gotoxy(scan->x,scan->y);printf(" ");//上一个函数中，打印了蛇头，这里消去了蛇尾
scan=head;//scan指向 原来 的蛇头位置
while(scan->next!=NULL)//存储蛇头到蛇尾前一个节点的坐标
{
snake_xy[i]=scan->x;
i++;
snake_xy[i]=scan->y;
i++;
scan=scan->next;
}
tail_x=scan->x;
tail_y=scan->y;//存储蛇尾坐标   为的是在吃到食物时  给这个坐标输出方块
i=0;
scan=head->next;
while(scan->next!=NULL)//把存储的坐标逐个赋给蛇头打下一个节点到蛇尾
{
scan->x=snake_xy[i];
i++;
scan->y=snake_xy[i];
i++;
scan=scan->next;
}
scan->x=snake_xy[i];
i++;
scan->y=snake_xy[i];
}
void food()
{
short i=0;
srand((unsigned)time(NULL));
do
{ 
food_x=rand()%(width-3)+2;
}while(food_x%2);
food_y=rand()%(height-1)+1;
gotoxy(food_x,food_y);printf("■");
scan=head;
}
void judge_head()
{
short i=0;
if(head->x==0 || head->x==width || head->y==0 || head->y==height+1)//首先判断是不是撞墙了
GameOver();
while(scan->next!=NULL)//判断是不是咬着自己了
{
if(head->x==snake_xy[i])
if(head->y==snake_xy[++i])
GameOver();
else
i++;
else
i+=2;
scan=scan->next;
}
if(head->x==snake_xy[i])
if(head->y==snake_xy[++i])
GameOver();
if(head->x==food_x && head->y==food_y)//如果吃到食物,给尾巴加上一节
{
if(music)
putchar(7);//响铃
score+=100;
pb=(struct snake*)malloc(sizeof(struct snake));
pf->next=pb;
pb->next=NULL;
pf=pb;
pb->x=tail_x;
pb->y=tail_y;
gotoxy(pb->x,pb->y);printf("■");
food();
}
scan=head;
}
//---------------------------------------------------------
//main函数
main()
{
system("mode con: cols=80 lines=31");//设置成80列30行
GameStart();
system("cls");
initialization();
food();
static_info();
move();
}