贪吃蛇c语言代码

Answer 1

#define N 200
#include <graphics.h>
#include <stdlib.h>
#include <dos.h>
#define LEFT 0x4b00
#define RIGHT 0x4d00
#define DOWN 0x5000
#define UP 0x4800
#define ESC 0x011b
int i,key;
int score=0;/*得分*/
int gamespeed=50000;/*游戏速度自己调整*/
struct Food
{
int x;/*食物的横坐标*/
int y;/*食物的纵坐标*/
int yes;/*判断是否要出现食物的变量*/
}food;/*食物的结构体*/
struct Snake
{
int x[N];
int y[N];
int node;/*蛇的节数*/
int direction;/*蛇移动方向*/
int life;/* 蛇的生命,0活着,1死亡*/
}snake;
void Init(void);/*图形驱动*/
void Close(void);/*图形结束*/
void DrawK(void);/*开始画面*/
void GameOver(void);/*结束游戏*/
void GamePlay(void);/*玩游戏具体过程*/
void PrScore(void);/*输出成绩*/
/*主函数*/
void main(void)
{
Init();/*图形驱动*/
DrawK();/*开始画面*/
GamePlay();/*玩游戏具体过程*/
Close();/*图形结束*/
}
/*图形驱动*/
void Init(void)
{
int gd=DETECT,gm;
initgraph(&gd,&gm,"c:\\tc");
cleardevice();
}
/*开始画面，左上角坐标为（50，40），右下角坐标为（610，460）的围墙*/
void DrawK(void)
{
/*setbkcolor(LIGHTGREEN);*/
setcolor(11);
setlinestyle(SOLID_LINE,0,THICK_WIDTH);/*设置线型*/
for(i=50;i<=600;i+=10)/*画围墙*/
{
rectangle(i,40,i+10,49); /*上边*/
rectangle(i,451,i+10,460);/*下边*/
}
for(i=40;i<=450;i+=10)
{
rectangle(50,i,59,i+10); /*左边*/
rectangle(601,i,610,i+10);/*右边*/
}
}
/*玩游戏具体过程*/
void GamePlay(void)
{
randomize();/*随机数发生器*/
food.yes=1;/*1表示需要出现新食物,0表示已经存在食物*/
snake.life=0;/*活着*/
snake.direction=1;/*方向往右*/
snake.x[0]=100;snake.y[0]=100;/*蛇头*/
snake.x[1]=110;snake.y[1]=100;
snake.node=2;/*节数*/
PrScore();/*输出得分*/
while(1)/*可以重复玩游戏,压ESC键结束*/
{
while(!kbhit())/*在没有按键的情况下,蛇自己移动身体*/
{
if(food.yes==1)/*需要出现新食物*/
{
food.x=rand()%400+60;
food.y=rand()%350+60;
while(food.x%10!=0)/*食物随机出现后必须让食物能够在整格内,这样才可以让蛇吃到*/
food.x++;
while(food.y%10!=0)
food.y++;
food.yes=0;/*画面上有食物了*/
}
if(food.yes==0)/*画面上有食物了就要显示*/
{
setcolor(GREEN);
rectangle(food.x,food.y,food.x+10,food.y-10);
}
for(i=snake.node-1;i>0;i--)/*蛇的每个环节往前移动,也就是贪吃蛇的关键算法*/
{
snake.x[i]=snake.x[i-1];
snake.y[i]=snake.y[i-1];
}
/*1,2,3,4表示右,左,上,下四个方向,通过这个判断来移动蛇头*/
switch(snake.direction)
{
case 1:snake.x[0]+=10;break;
case 2: snake.x[0]-=10;break;
case 3: snake.y[0]-=10;break;
case 4: snake.y[0]+=10;break;
}
for(i=3;i<snake.node;i++)/*从蛇的第四节开始判断是否撞到自己了，因为蛇头为两节，第三节不可能拐过来*/
{
if(snake.x[i]==snake.x[0]&&snake.y[i]==snake.y[0])
{
GameOver();/*显示失败*/
snake.life=1;
break;
}
}
if(snake.x[0]<55||snake.x[0]>595||snake.y[0]<55||
snake.y[0]>455)/*蛇是否撞到墙壁*/
{
GameOver();/*本次游戏结束*/
snake.life=1; /*蛇死*/
}
if(snake.life==1)/*以上两种判断以后,如果蛇死就跳出内循环，重新开始*/
break;
if(snake.x[0]==food.x&&snake.y[0]==food.y)/*吃到食物以后*/
{
setcolor(0);/*把画面上的食物东西去掉*/
rectangle(food.x,food.y,food.x+10,food.y-10);
snake.x[snake.node]=-20;snake.y[snake.node]=-20;
/*新的一节先放在看不见的位置,下次循环就取前一节的位置*/
snake.node++;/*蛇的身体长一节*/
food.yes=1;/*画面上需要出现新的食物*/
score+=10;
PrScore();/*输出新得分*/
}
setcolor(4);/*画出蛇*/
for(i=0;i<snake.node;i++)
rectangle(snake.x[i],snake.y[i],snake.x[i]+10,
snake.y[i]-10);
delay(gamespeed);
setcolor(0);/*用黑色去除蛇的的最后一节*/
rectangle(snake.x[snake.node-1],snake.y[snake.node-1],
snake.x[snake.node-1]+10,snake.y[snake.node-1]-10);
} /*endwhile（！kbhit）*/
if(snake.life==1)/*如果蛇死就跳出循环*/
break;
key=bioskey(0);/*接收按键*/
if(key==ESC)/*按ESC键退出*/
break;
else
if(key==UP&&snake.direction!=4)
/*判断是否往相反的方向移动*/
snake.direction=3;
else
if(key==RIGHT&&snake.direction!=2)
snake.direction=1;
else
if(key==LEFT&&snake.direction!=1)
snake.direction=2;
else
if(key==DOWN&&snake.direction!=3)
snake.direction=4;
}/*endwhile(1)*/
}
/*游戏结束*/
void GameOver(void)
{
cleardevice();
PrScore();
setcolor(RED);
settextstyle(0,0,4);
outtextxy(200,200,"GAME OVER");
getch();
}
/*输出成绩*/
void PrScore(void)
{
char str[10];
setfillstyle(SOLID_FILL,YELLOW);
bar(50,15,220,35);
setcolor(6);
settextstyle(0,0,2);
sprintf(str,"score:%d",score);
outtextxy(55,20,str);
}
/*图形结束*/
void Close(void)
{
getch();
closegraph();
}

Answer 2

#define N 200
#include <graphics.h>
#include <stdlib.h>
#include <dos.h>
#define LEFT 0x4b00
#define RIGHT 0x4d00
#define DOWN 0x5000
#define UP 0x4800
#define ESC 0x011b
int i,key;
int score=0;/*得分*/
int gamespeed=50000;/*游戏速度自己调整*/
struct Food
{
int x;/*食物的横坐标*/
int y;/*食物的纵坐标*/
int yes;/*判断是否要出现食物的变量*/
}food;/*食物的结构体*/
struct Snake
{
int x[N];
int y[N];
int node;/*蛇的节数*/
int direction;/*蛇移动方向*/
int life;/* 蛇的生命,0活着,1死亡*/
}snake;
void Init(void);/*图形驱动*/
void Close(void);/*图形结束*/
void DrawK(void);/*开始画面*/
void GameOver(void);/*结束游戏*/
void GamePlay(void);/*玩游戏具体过程*/
void PrScore(void);/*输出成绩*/
/*主函数*/
void main(void)
{
Init();/*图形驱动*/
DrawK();/*开始画面*/
GamePlay();/*玩游戏具体过程*/
Close();/*图形结束*/
}
/*图形驱动*/
void Init(void)
{
int gd=DETECT,gm;
initgraph(&gd,&gm,"c:\\tc");
cleardevice();
}
/*开始画面，左上角坐标为（50，40），右下角坐标为（610，460）的围墙*/
void DrawK(void)
{
/*setbkcolor(LIGHTGREEN);*/
setcolor(11);
setlinestyle(SOLID_LINE,0,THICK_WIDTH);/*设置线型*/
for(i=50;i<=600;i+=10)/*画围墙*/
{
rectangle(i,40,i+10,49); /*上边*/
rectangle(i,451,i+10,460);/*下边*/
}
for(i=40;i<=450;i+=10)
{
rectangle(50,i,59,i+10); /*左边*/
rectangle(601,i,610,i+10);/*右边*/
}
}
/*玩游戏具体过程*/
void GamePlay(void)
{
randomize();/*随机数发生器*/
food.yes=1;/*1表示需要出现新食物,0表示已经存在食物*/
snake.life=0;/*活着*/
snake.direction=1;/*方向往右*/
snake.x[0]=100;snake.y[0]=100;/*蛇头*/
snake.x[1]=110;snake.y[1]=100;
snake.node=2;/*节数*/
PrScore();/*输出得分*/
while(1)/*可以重复玩游戏,压ESC键结束*/
{
while(!kbhit())/*在没有按键的情况下,蛇自己移动身体*/
{
if(food.yes==1)/*需要出现新食物*/
{
food.x=rand()%400+60;
food.y=rand()%350+60;
while(food.x%10!=0)/*食物随机出现后必须让食物能够在整格内,这样才可以让蛇吃到*/
food.x++;
while(food.y%10!=0)
food.y++;
food.yes=0;/*画面上有食物了*/
}
if(food.yes==0)/*画面上有食物了就要显示*/
{
setcolor(GREEN);
rectangle(food.x,food.y,food.x+10,food.y-10);
}
for(i=snake.node-1;i>0;i--)/*蛇的每个环节往前移动,也就是贪吃蛇的关键算法*/
{
snake.x[i]=snake.x[i-1];
snake.y[i]=snake.y[i-1];
}
/*1,2,3,4表示右,左,上,下四个方向,通过这个判断来移动蛇头*/
switch(snake.direction)
{
case 1:snake.x[0]+=10;break;
case 2: snake.x[0]-=10;break;
case 3: snake.y[0]-=10;break;
case 4: snake.y[0]+=10;break;
}
for(i=3;i<snake.node;i++)/*从蛇的第四节开始判断是否撞到自己了，因为蛇头为两节，第三节不可能拐过来*/
{
if(snake.x[i]==snake.x[0]&&snake.y[i]==snake.y[0])
{
GameOver();/*显示失败*/
snake.life=1;
break;
}
}
if(snake.x[0]<55||snake.x[0]>595||snake.y[0]<55||
snake.y[0]>455)/*蛇是否撞到墙壁*/
{
GameOver();/*本次游戏结束*/
snake.life=1; /*蛇死*/
}
if(snake.life==1)/*以上两种判断以后,如果蛇死就跳出内循环，重新开始*/
break;
if(snake.x[0]==food.x&&snake.y[0]==food.y)/*吃到食物以后*/
{
setcolor(0);/*把画面上的食物东西去掉*/
rectangle(food.x,food.y,food.x+10,food.y-10);
snake.x[snake.node]=-20;snake.y[snake.node]=-20;
/*新的一节先放在看不见的位置,下次循环就取前一节的位置*/
snake.node++;/*蛇的身体长一节*/
food.yes=1;/*画面上需要出现新的食物*/
score+=10;
PrScore();/*输出新得分*/
}
setcolor(4);/*画出蛇*/
for(i=0;i<snake.node;i++)
rectangle(snake.x[i],snake.y[i],snake.x[i]+10,
snake.y[i]-10);
delay(gamespeed);
setcolor(0);/*用黑色去除蛇的的最后一节*/
rectangle(snake.x[snake.node-1],snake.y[snake.node-1],
snake.x[snake.node-1]+10,snake.y[snake.node-1]-10);
} /*endwhile（！kbhit）*/
if(snake.life==1)/*如果蛇死就跳出循环*/
break;
key=bioskey(0);/*接收按键*/
if(key==ESC)/*按ESC键退出*/
break;
else
if(key==UP&&snake.direction!=4)
/*判断是否往相反的方向移动*/
snake.direction=3;
else
if(key==RIGHT&&snake.direction!=2)
snake.direction=1;
else
if(key==LEFT&&snake.direction!=1)
snake.direction=2;
else
if(key==DOWN&&snake.direction!=3)
snake.direction=4;
}/*endwhile(1)*/
}
/*游戏结束*/
void GameOver(void)
{
cleardevice();
PrScore();
setcolor(RED);
settextstyle(0,0,4);
outtextxy(200,200,"GAME OVER");
getch();
}
/*输出成绩*/
void PrScore(void)
{
char str[10];
setfillstyle(SOLID_FILL,YELLOW);
bar(50,15,220,35);
setcolor(6);
settextstyle(0,0,2);
sprintf(str,"score:%d",score);
outtextxy(55,20,str);
}
/*图形结束*/
void Close(void)
{
getch();
closegraph();
}

Answer 3

你好，很荣幸回答你的问题，我这里是一个c的贪吃蛇源代码，希望对你有帮助，不过运行这个时需要你的软件包含惊蛰EasyX图形函数，比如vc++6.0，如遇到问题问题可以联系我，希望对你有帮助。
#include <graphics.h>
#include <stdlib.h>
#include <conio.h>
#include <time.h>
#include <stdio.h>

#define LEFT 'a'
#define RIGHT 'd'
#define DOWN 's'
#define UP 'w'
#define ESC 27

#define N 200 /*蛇的最大长度*/

int i;
char key;
int score=0; /*得分*/
int gamespeed=100; /*游戏速度自己调整*/

struct Food
{
int x; /*食物的横坐标*/
int y; /*食物的纵坐标*/
int yes; /*判断是否要出现食物的变量*/
}food; /*食物的结构体*/

struct Snake
{
int x[N];
int y[N];
int node; /*蛇的节数*/
int direction; /*蛇移动方向*/
int life; /* 蛇的生命,0活着,1死亡*/
}snake;

void Init(void); /*图形驱动*/
void Close(void); /*图形结束*/
void DrawK(void); /*开始画面*/
void GameOver(void); /*结束游戏*/
void GamePlay(void); /*玩游戏具体过程*/
void PrScore(void); /*输出成绩*/

/*主函数*/
void main(void)
{
Init(); /*图形驱动*/
DrawK(); /*开始画面*/
GamePlay(); /*玩游戏具体过程*/

Close(); /*图形结束*/
}

/*图形驱动*/
void Init(void)
{
int gd=9,gm=2;

initgraph(&gd,&gm," ");
cleardevice();
}

/*开始画面，左上角坐标为（50，40），右下角坐标为（610，460）的围墙*/
void DrawK(void)
{
/*setbkcolor(LIGHTGREEN);*/
setcolor(LIGHTCYAN);
setlinestyle(PS_SOLID,0,1); /*设置线型*/
for(i=50;i<=600;i+=10) /*画围墙*/
{
rectangle(i,40,i+10,49); /*上边*/
rectangle(i,451,i+10,460); /*下边*/
}
for(i=40;i<=450;i+=10)
{
rectangle(50,i,59,i+10); /*左边*/
rectangle(601,i,610,i+10); /*右边*/
}
}

/*玩游戏具体过程*/
void GamePlay(void)
{
srand(time(NULL)); /*随机数发生器*/
food.yes=1; /*1表示需要出现新食物,0表*/
snake.life=0; /*活着*/
snake.direction=1; /*方向往右*/
snake.x[0]=100;snake.y[0]=100; /*蛇头*/
snake.x[1]=110;snake.y[1]=100;
snake.node=2; /*节数*/

PrScore(); /*输出得分*/
while(1) /*可以重复玩游戏,压ESC键*/
{
while(!kbhit()) /*在没有按键的情况下,蛇自*/
{
if(food.yes==1) /*需要出现新食物*/
{
food.x=rand()%400+60;
food.y=rand()%350+60;
while(food.x%10!=0) /*食物随机出现后必须让食物*/
food.x++;
while(food.y%10!=0)
food.y++;
food.yes=0; /*画面上有食物了*/
}
if(food.yes==0) /*画面上有食物了就要显示*/
{
setcolor(GREEN);
rectangle(food.x,food.y,food.x+10,food.y-10);
}

for(i=snake.node-1;i>0;i--) /*蛇的每个环节往前移动,也法/
{
snake.x[i]=snake.x[i-1];
snake.y[i]=snake.y[i-1];
}
/*1,2,3,4表示右,左,上,下四个方向,通过这个判断来移动蛇头*/
switch(snake.direction)
{
case 1: snake.x[0]+=10;break;
case 2: snake.x[0]-=10;break;
case 3: snake.y[0]-=10;break;
case 4: snake.y[0]+=10;break;
}
/*从蛇的第四节开始判断是否撞到自己了，因为蛇头为两节，第三节不可*/
for(i=3;i<snake.node;i++)
{
if(snake.x[i]==snake.x[0]&&snake.y[i]==snake.y[0])
{
GameOver(); /*显示失败*/
snake.life=1;
break;
}
}
if(snake.x[0]<55||snake.x[0]>595||snake.y[0]<55||snake.y[0]>455) /*蛇是否撞到墙壁*/
{ GameOver(); /*本次游戏结束*/
snake.life=1; /*蛇死*/
}
if(snake.life==1) /*以上两种判断以后,如果蛇*/
break;
if(snake.x[0]==food.x&&snake.y[0]==food.y)/*吃到食物以后*/
{
setcolor(BLACK); /*把画面上的食物东西去*/
rectangle(food.x,food.y,food.x+10,food.y-10);
snake.x[snake.node]=-20;snake.y[snake.node]=-20;
/*新的一节先放在看不见的位置,下次循环就取前一节的位置*/

snake.node++; /*蛇的身体长一节*/
food.yes=1; /*画面上需要出现新的食物*/
score+=10;
PrScore(); /*输出新得分*/
}
setcolor(RED); /*画出蛇*/

for(i=0;i<snake.node;i++)
rectangle(snake.x[i],snake.y[i],snake.x[i]+10,snake.y[i]-10);
Sleep(gamespeed);
setcolor(BLACK); /*用黑色去除蛇的的最后*/
rectangle(snake.x[snake.node-1],snake.y[snake.node-1],
snake.x[snake.node-1]+10,snake.y[snake.node-1]-10);
} /*endwhile（！kbhit）*/
if(snake.life==1) /*如果蛇死就跳出循环*/
break;
key=getch(); /*接收按键*/
if (key == ESC) break; /*按ESC键退出*/
switch(key)
{
case UP:
if(snake.direction!=4) /*判断是否往相反的方向移动*/
snake.direction=3;
break;
case RIGHT:
if(snake.direction!=2)
snake.direction=1;
break;
case LEFT:
if(snake.direction!=1)
snake.direction=2;
break;
case DOWN:
if(snake.direction!=3)
snake.direction=4;
break;
}

}/*endwhile(1)*/
}

/*游戏结束*/
void GameOver(void)
{
cleardevice();
PrScore();
setcolor(RED);
setfont(56,0,"黑体");
outtextxy(200,200,"GAME OVER");
getch();
}

/*输出成绩*/
void PrScore(void)
{
char str[10];

setfillstyle(YELLOW);
bar(50,15,220,35);
setcolor(BROWN);
setfont(16,0,"宋体");
sprintf(str,"score:%d",score);
outtextxy(55,16,str);
}

/*图形结束*/
void Close(void)
{
closegraph();
}

Answer 4

下面是我做的:
#include<graphics.h>
#include<stdlib.h>
#include<dos.h>
#include<conio.h>
#define UP 0x4800
#define DOWN 0x5000
#define RIGHT 0x4d00
#define LEFT 0x4b00
#define ESC 0x11b
#define ENTER 0x1c0d
#define SPACE 0x3920
struct Food /*食物结构体*/
{
int x;
int y;
int yes;
}food;
struct Snake /*蛇结构体*/
{
int x[100];
int y[100];
int n;
int color;
int direction;
}snake;
int speed=0000;
void main() /*主函数*/
{
void wall();
void start();
void close();
void game();
void score();
void leavl();
void select();
void sw();
int key;
while(1)
{
start();
select();
cleardevice();
wall();
sw();
game();
cleardevice();
setcolor(RED);
outtextxy(250,220,"Please press ESC Quit");
outtextxy(250,240,"Press any-key GO ON");
key=bioskey(0);
if(key==ESC) break;
}
close();
}
void close()
{
getch();
closegraph();
}
void start() /*BGI初始化*/
{
int gd=DETECT,gm;
registerbgidriver(EGAVGA_driver);
initgraph(&gd,&gm,"");
}
void wall()
{ /*画墙*/
int i;
randomize();
for(i=0;i<=1000;i++)
putpixel(random(640),random(480),random(14)+1);
setcolor(random(14)+1);
rectangle(60,140,580,410);
setcolor(random(14)+1);
rectangle(62,142,578,408);
setcolor(random(14)+1);
setlinestyle(0,1,3);
rectangle(68,148,571,401);
setcolor(LIGHTBLUE);
}
void game() /*主游戏*/
{
int i,key,gamespeed;
snake.color=random(14)+1;
food.yes=1;
setcolor(GREEN);
outtextxy(400,50,"Press ESC Qiut");
outtextxy(400,70,"Press ENTER Stop");
setcolor(LIGHTBLUE);
outtextxy(100,100,"score:");
outtextxy(300,100,"leavl:");
snake.x[0]=150;
snake.y[0]=200;
snake.x[1]=140;
snake.y[1]=200;
snake.n=2;
snake.direction=2;
setcolor(WHITE);
setlinestyle(0,1,1);
setfillstyle(1,snake.color);
for(i=0;i<snake.n;i++)
bar(snake.x[i],snake.y[i],snake.x[i]+9,snake.y[i]+9); /*画蛇*/
while(1)
{
key=bioskey(0); /*设置按键*/
if(bioskey(1)) key=bioskey(0);
if(key==ENTER) bioskey(0);
if(key==ESC) break;
/*if(key==SPACE) select();*/
if(key==LEFT&&snake.direction!=2) snake.direction=1;
if(key==RIGHT&&snake.direction!=1) snake.direction=2;
if(key==UP&&snake.direction!=4) snake.direction=3;
if(key==DOWN&snake.direction!=3) snake.direction=4;
while(!kbhit())
{
delay(speed);
gamespeed=60000-(snake.n-2)*1000; /*蛇每增加一节延时减少1000毫秒*/
delay(gamespeed);
leavl();
if(gamespeed==0)
{
setcolor(snake.color);
settextstyle(0,0,5);
cleardevice();
outtextxy(140,250,"You win!!");
outtextxy(220,200,"GOOD!");
settextstyle(0,0,1);
bioskey(0);
return;
}
setfillstyle(1,BLACK);
if(food.yes==1) /*如果蛇头碰到食物，不运行下面语句*/
bar(snake.x[snake.n-1],snake.y[snake.n-1],snake.x[snake.n-1]+9,snake.y[snake.n-1]+9); /*擦除蛇尾*/
food.yes=1;
setfillstyle(1,snake.color);
for(i=snake.n;i>0;i--) /*蛇的后一节的坐标等于前一节的坐标*/
{
snake.x[i]=snake.x[i-1];
snake.y[i]=snake.y[i-1];
}
switch(snake.direction)
{
case 1:snake.x[0]-=10; break;
case 2:snake.x[0]+=10; break;
case 3:snake.y[0]-=10; break;
case 4:snake.y[0]+=10; break;
}
bar(snake.x[0],snake.y[0],snake.x[0]+9,snake.y[0]+9); /*在蛇头的前面画出新的一节*/
if(food.x==snake.x[0]&&food.y==snake.y[0]) /*蛇头碰到食物*/
{
food.yes=0;
snake.n++;
sw();
}
if(snake.x[0]>=570||snake.x[0]<=65||snake.y[0]>=400||snake.y[0]<=140) /*判断蛇是否撞墙*/
return;
for(i=snake.n;i>3;i--)
if(snake.x[0]==snake.x[i]&&snake.y[0]==snake.y[i]) /*判断蛇是否碰到自身*/
return;
score();
}
}
}
void score() /*记分*/
{
char a[10];
setcolor(LIGHTBLUE);
setfillstyle(1,BLACK);
bar(140,100,300,110);
sprintf(a,"score:%d",(snake.n-2)*10);
outtextxy(100,100,a);
} /*等级*/
void leavl()
{
char str[10];
setcolor(LIGHTBLUE);
setfillstyle(1,BLACK);
bar(340,100,400,110);
sprintf(str,"leavl:%d",(snake.n-1)/5);
outtextxy(300,100,str);
setcolor(RED);
setfillstyle(1,BLACK);
bar(200,120,300,130);
if((snake.n-1)%5==0)
outtextxy(200,120,"LEAVL UP!"),
snake.color++;
if(snake.color>15)
snake.color=1;
}
void sw() /*画食物*/
{
int i;
randomize();
food.x=random(500)+70;
food.y=random(250)+150;
for(i=0;i<=snake.n;i++)
while(snake.x[i]==food.x||snake.y[i]==food.y) /*判断食物是否出现在蛇身上*/
food.x=random(500)+70,food.y=random(250)+150;
while((food.x%10)!=0)
food.x--;
while((food.y%10)!=0)
food.y--;
setfillstyle(1,YELLOW);
bar(food.x,food.y,food.x+9,food.y+9);
}
void select()
{
int key;
static int x=129,y=148;
setcolor(LIGHTGREEN);
outtextxy(140,300,"Press ENTER Select");
setcolor(GREEN);
rectangle(x,y,x+30,y+30);
settextstyle(0,0,4);
setcolor(RED);
outtextxy(190,50,"Speed");
outtextxy(130,150,"5 4 3 2 1");
settextstyle(0,0,1);
while(1)
{
key=bioskey(0);
if(key==ENTER) break;
if(key==RIGHT&&x<=350)
{
speed+=10000;
setcolor(0);
rectangle(x,y,x+30,y+30);
setcolor(GREEN);
x+=64;
rectangle(x,y,x+30,y+30);
}
if(key==LEFT&&x>=160)
{
speed-=10000;
setcolor(0);
rectangle(x,y,x+30,y+30);
setcolor(GREEN);
x-=64;
rectangle(x,y,x+30,y+30);
}
}
}

Answer 5

#include<graphics.h>
#include<stdlib.h>
#include<dos.h>
#include<conio.h>
#define UP 0x4800
#define DOWN 0x5000
#define RIGHT 0x4d00
#define LEFT 0x4b00
#define ESC 0x11b
#define ENTER 0x1c0d
#define SPACE 0x3920
struct Food /*食物结构体*/
{
int x;
int y;
int yes;
}food;
struct Snake /*蛇结构体*/
{
int x[100];
int y[100];
int n;
int color;
int direction;
}snake;
int speed=0000;
void main() /*主函数*/
{
void wall();
void start();
void close();
void game();
void score();
void leavl();
void select();
void sw();
int key;
while(1)
{
start();
select();
cleardevice();
wall();
sw();
game();
cleardevice();
setcolor(RED);
outtextxy(250,220,"Please press ESC Quit");
outtextxy(250,240,"Press any-key GO ON");
key=bioskey(0);
if(key==ESC) break;
}
close();
}
void close()
{
getch();
closegraph();
}
void start() /*BGI初始化*/
{
int gd=DETECT,gm;
registerbgidriver(EGAVGA_driver);
initgraph(&gd,&gm,"");
}
void wall()
{ /*画墙*/
int i;
randomize();
for(i=0;i<=1000;i++)
putpixel(random(640),random(480),random(14)+1);
setcolor(random(14)+1);
rectangle(60,140,580,410);
setcolor(random(14)+1);
rectangle(62,142,578,408);
setcolor(random(14)+1);
setlinestyle(0,1,3);
rectangle(68,148,571,401);
setcolor(LIGHTBLUE);
}
void game() /*主游戏*/
{
int i,key,gamespeed;
snake.color=random(14)+1;
food.yes=1;
setcolor(GREEN);
outtextxy(400,50,"Press ESC Qiut");
outtextxy(400,70,"Press ENTER Stop");
setcolor(LIGHTBLUE);
outtextxy(100,100,"score:");
outtextxy(300,100,"leavl:");
snake.x[0]=150;
snake.y[0]=200;
snake.x[1]=140;
snake.y[1]=200;
snake.n=2;
snake.direction=2;
setcolor(WHITE);
setlinestyle(0,1,1);
setfillstyle(1,snake.color);
for(i=0;i<snake.n;i++)
bar(snake.x[i],snake.y[i],snake.x[i]+9,snake.y[i]+9); /*画蛇*/
while(1)
{
key=bioskey(0); /*设置按键*/
if(bioskey(1)) key=bioskey(0);
if(key==ENTER) bioskey(0);
if(key==ESC) break;
/*if(key==SPACE) select();*/
if(key==LEFT&&snake.direction!=2) snake.direction=1;
if(key==RIGHT&&snake.direction!=1) snake.direction=2;
if(key==UP&&snake.direction!=4) snake.direction=3;
if(key==DOWN&snake.direction!=3) snake.direction=4;
while(!kbhit())
{
delay(speed);
gamespeed=60000-(snake.n-2)*1000; /*蛇每增加一节延时减少1000毫秒*/
delay(gamespeed);
leavl();
if(gamespeed==0)
{
setcolor(snake.color);
settextstyle(0,0,5);
cleardevice();
outtextxy(140,250,"You win!!");
outtextxy(220,200,"GOOD!");
settextstyle(0,0,1);
bioskey(0);
return;
}
setfillstyle(1,BLACK);
if(food.yes==1) /*如果蛇头碰到食物，不运行下面语句*/
bar(snake.x[snake.n-1],snake.y[snake.n-1],snake.x[snake.n-1]+9,snake.y[snake.n-1]+9); /*擦除蛇尾*/
food.yes=1;
setfillstyle(1,snake.color);
for(i=snake.n;i>0;i--) /*蛇的后一节的坐标等于前一节的坐标*/
{
snake.x[i]=snake.x[i-1];
snake.y[i]=snake.y[i-1];
}
switch(snake.direction)
{
case 1:snake.x[0]-=10; break;
case 2:snake.x[0]+=10; break;
case 3:snake.y[0]-=10; break;
case 4:snake.y[0]+=10; break;
}
bar(snake.x[0],snake.y[0],snake.x[0]+9,snake.y[0]+9); /*在蛇头的前面画出新的一节*/
if(food.x==snake.x[0]&&food.y==snake.y[0]) /*蛇头碰到食物*/
{
food.yes=0;
snake.n++;
sw();
}
if(snake.x[0]>=570||snake.x[0]<=65||snake.y[0]>=400||snake.y[0]<=140) /*判断蛇是否撞墙*/
return;
for(i=snake.n;i>3;i--)
if(snake.x[0]==snake.x[i]&&snake.y[0]==snake.y[i]) /*判断蛇是否碰到自身*/
return;
score();
}
}
}
void score() /*记分*/
{
char a[10];
setcolor(LIGHTBLUE);
setfillstyle(1,BLACK);
bar(140,100,300,110);
sprintf(a,"score:%d",(snake.n-2)*10);
outtextxy(100,100,a);
} /*等级*/
void leavl()
{
char str[10];
setcolor(LIGHTBLUE);
setfillstyle(1,BLACK);
bar(340,100,400,110);
sprintf(str,"leavl:%d",(snake.n-1)/5);
outtextxy(300,100,str);
setcolor(RED);
setfillstyle(1,BLACK);
bar(200,120,300,130);
if((snake.n-1)%5==0)
outtextxy(200,120,"LEAVL UP!"),
snake.color++;
if(snake.color>15)
snake.color=1;
}
void sw() /*画食物*/
{
int i;
randomize();
food.x=random(500)+70;
food.y=random(250)+150;
for(i=0;i<=snake.n;i++)
while(snake.x[i]==food.x||snake.y[i]==food.y) /*判断食物是否出现在蛇身上*/
food.x=random(500)+70,food.y=random(250)+150;
while((food.x%10)!=0)
food.x--;
while((food.y%10)!=0)
food.y--;
setfillstyle(1,YELLOW);
bar(food.x,food.y,food.x+9,food.y+9);
}
void select()
{
int key;
static int x=129,y=148;
setcolor(LIGHTGREEN);
outtextxy(140,300,"Press ENTER Select");
setcolor(GREEN);
rectangle(x,y,x+30,y+30);
settextstyle(0,0,4);
setcolor(RED);
outtextxy(190,50,"Speed");
outtextxy(130,150,"5 4 3 2 1");
settextstyle(0,0,1);
while(1)
{
key=bioskey(0);
if(key==ENTER) break;
if(key==RIGHT&&x<=350)
{
speed+=10000;
setcolor(0);
rectangle(x,y,x+30,y+30);
setcolor(GREEN);
x+=64;
rectangle(x,y,x+30,y+30);
}
if(key==LEFT&&x>=160)
{
speed-=10000;
setcolor(0);
rectangle(x,y,x+30,y+30);
setcolor(GREEN);
x-=64;
rectangle(x,y,x+30,y+30);
}
}
}