[我的早期C程序源代码]贪吃蛇

王朝c/c++·作者佚名  2006-01-09
窄屏简体版  字體: |||超大  

/*要求改进:用图形模式表示print()函数*/

#include <mem.h>

#include <fcntl.h>

#include <conio.h>

#include <graphics.h>

#include <io.h>

#include <stdlib.h>

#include <stdio.h>

#include <bios.h>

#include <math.h>

#define N 50

#define Time 10000

int A[N][N];

int IE=6;

int SCORE=0;

char a[]="9999";

void *ball;

int maxx;

unsigned int size;

int head=1;/*0,1,2,3*/

int i=3,j=0,ii=0,jj=0;

int length=3;

int x,y;/*蛇头标志*/

int add=1;/*食物标志*/

int tii,tjj;/* 前蛇尾坐标 */

void start_image()

{

setlinestyle(SOLID_LINE,1,2);

setcolor(GREEN);

line(39,39,39,441);

line(39,441,441,441);

line(441,441,441,39);

line(441,39,39,39);

}

void draw_image(int x,int y)

{

int i=x*400/N+40;

int j=y*400/N+40;

setfillstyle(1,4);

bar(j,i,j+400/N,i+400/N);

}

void eraser_image(int x,int y)

{

int i=x*400/N+40;

int j=y*400/N+40;

setfillstyle(1,0);

bar(j,i,j+400/N,i+400/N);

}

void tu()

{/*tuxing jiemian*/

maxx=getmaxx();

size=imagesize(210,390,450,420);

ball=malloc(size);

setfillstyle(1,10);

bar(160,170,473,253);

setfillstyle(1,9);

bar(163,173,470,250);

setcolor(13);

outtextxy(200,200,"Welcome to Greedy Snake Game");

setcolor(14);

outtextxy(250,220,"Developer :Wu siyuan ");

outtextxy(290,240,"2003.5");

outtextxy(210,390,"Press any key to contunue...");

getimage(210,390,450,420,ball);

while(!kbhit())

{/* 没有键盘击键 */

putimage(210,390,ball,XOR_PUT);

delay(30000);

}

cleardevice();

}

void print()/*输出*/

{ /*要将转化成图形模式*/

int a,b;

/*start_image(); */

for(a=0;a<N;a++)

{ for(b=0;b<N;b++)

{if(A[a][b]>1)draw_image(a,b);

if(A[a][b]==0)eraser_image(a,b); }

}

}

void snake() /*begin*/

{

int a,b;

for(a=0;a<N;a++)

for(b=0;b<N;b++)

A[a][b]=0;

A[i][j]=5;A[i-1][j]=4;A[i-2][j]=3;A[i-3][j]=2;

}

void del_tail()/*蛇尾的操作*/

{

int number=A[ii][jj];

tii=ii;tjj=jj;/*记录前蛇尾*/

while(1)

{

if(A[ii][jj-1]==number+1||A[ii][jj-1]==2&&number==30)

{jj--;break;}

if(A[ii][jj+1]==number+1||A[ii][jj+1]==2&&number==30)

{jj++;break;}

if(A[ii-1][jj]==number+1||A[ii-1][jj]==2&&number==30)

{ii--;break;}

if(A[ii+1][jj]==number+1||A[ii+1][jj]==2&&number==30)

{ii++;break;}

}

}

void down()

{

head=1;

if(A[i+1][j]>1&&A[i+1][j]!=99)

{printf("I hit myself!");exit(1);}

i++;

if(IE>30)IE=2;

A[i][j]=IE;IE++;

del_tail();

A[tii][tjj]=0;

}

void up()

{

head=0;

if(A[i-1][j]>1&&A[i-1][j]!=99)

{printf("I hit myself!");exit(1);}

i--;

if(IE>30)IE=2;

A[i][j]=IE;IE++;

del_tail();

A[tii][tjj]=0;

}

void left()

{

head=2;

if(A[i][j-1]>1&&A[i][j-1]!=99)

{printf("I hit myself!");exit(1);}

j--;

if(IE>30)IE=2;

A[i][j]=IE;IE++;

del_tail();

A[tii][tjj]=0;

}

void right()

{

head=3;

if(A[i][j+1]>1&&A[i][j+1]!=99)

{printf("I hit myself!");exit(1);}

j++;

if(IE>30)IE=2;

A[i][j]=IE;IE++;

del_tail();

A[tii][tjj]=0;

}

void test()/*测试是否到达边界*/

{

if(i<0||i>N-1||j<0||j>N-1)

{

printf("出界! Game over.");

exit(1);

}

}

void move()/*当前移动*/

{

switch(head)

{

case 0:up();break;

case 1:down();break;

case 2:left();break;

case 3:right();break;

/*default:printf("方向出错!\n");*/

}

}

int keyboard()

{

/*判断是否有键盘输入

// 有返回值0,1,2,3

// int k=keyboard;

//判断方向是否是有效方向

//无效则什么也不做

//若方向有效则改变head的值*/

int a,key,h;

for(a=0;a<2;a++)

if(bioskey(1))break;

key=bioskey(0);

switch (key)

{

/*up*/

case 18432:h=0;break;

/*down*/

case 20480:h=1;break;

/*left*/

case 19200:h=2;break;

/*right*/

case 19712:h=3;break;

/*Esc*/

case 283:printf("You press the Esc key!");exit(1);break;

/*default: h=999 ;*/

}

return h;

}

void add_point()/* 用于产生食物 */

{

while(1){

x=random(100)%N;

y=random(100)%N;

if(A[x][y]==0)break;

}

A[x][y]=99;/*食物的标志是5*/

add=0;/* 加食物标志清0*/

}

void score()

{

setcolor(9);

settextstyle(3,0,4);

outtextxy(450,40,"Score:");

setcolor(RED);

outtextxy(450,200,"Speed:");

}

void number_char(int x)

{

int a0,a1,a2,a3;

if(x>9999){a[0]='9';a[1]='9';a[2]='9';a[3]='9';}

else {

a0=x/1000;

a[0]=a0+48;

a1=(x-a0*1000)/100;

a[1]=a1+48;

a2=(x-a0*1000-a1*100)/10;

a[2]=a2+48;

a3=(x-a0*1000-a1*100-a2*10);

a[3]=a3+48;

a[4]='\0';

}

}

void snake_get()/*吃到食物时*/

{

if(i==x&&j==y)

{

length++;

A[tii][tjj]=A[ii][jj]-1;/*蛇尾加长*/

ii=tii;jj=tjj;/*蛇尾重新定义*/

add=1;/*食物标志置1*/

setfillstyle(1,BLACK);

bar(520,100,650,140);/*clear score*/

setcolor(3);

number_char(SCORE+=100);

outtextxy(550,100,a);

}

}

void main()

{

int get_head;/*定义键盘输入*/

int gd=DETECT,gm;

clrscr();

/*regibgiobjdriver(public name)*/

initgraph(&gd,&gm,"c:\\bgi");

setbkcolor(BLACK);

tu();

snake();/*初始化*/

start_image();

score();/*定义分数界面*/

while(1)

{ while(bioskey(1)==0)/*是否有键盘输入*/

{

if(add)add_point();/*是否可以增加食物*/

print();

move();

snake_get();/* 是否吃到食物 (test)*/

test();

delay(Time);

}

get_head=keyboard();

/* choose */

while(1){/*判断得到的坐标是否合法*/

if(get_head==0&&head==1)break;

if(get_head==1&&head==0)break;

if(get_head==2&&head==3)break;

if(get_head==3&&head==2)break;

else {head=get_head;break;}/*合法给head赋值*/

}

}

}

 
 
 
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