#include
#include
#define LEFT 0x4b00
#define RIGHT 0x4d00
#define DOWN 0x5000
#define UP 0x4800
#define ESC 0x011b
int i,key
int score=0
int gamespeed=32000
struct Food /*食物的结构体*/
{
int x/*食物的横坐标*/
int y/*食物的纵坐标*/
int yes/*食物是否出现的变量*/
}food
struct Snack /*蛇的结构体*/
{
int x[N]
int y[N]
int node/*蛇的节数*/
int direction/*蛇的方向*/
int life/*蛇的生命，0活着，1死亡*/
}snake
void Init(void)/*图形驱动*/
void Close(void)/悔弯*关闭游戏函数*/
void DrawK(void)/*画图函数*/
void GameOver(void)/*输出失败函数*/
void GamePlay()/*游戏控制函数 主要程序*/
void PrScore(void)/*分数输出函数*/
DELAY(char ch)/*调节游戏速度*/
{
if(ch=='3')
{
delay(gamespeed)/*delay是延迟函数*/
delay(gamespeed)
}
else if(ch=='2')
{
delay(gamespeed)
}
}
Menu()/*游戏开始菜单*/
{
char ch
printf("Please choose the gamespeed:\n")
printf("1-Fast 2-Normal 3-Slow\n")
printf("\nPlease Press The numbers..\n")
do
{ch=getch()}
while(ch!='1'&&ch!='2'&&ch!='3')
clrscr()
return(ch)
}
/*主函数*/
void main(void)
{
int ch
ch=Menu()
Init()
DrawK()
GamePlay(ch)
Close()
}
void Init(void)
{
int gd=DETECT,gm
initgraph(&gd,&gm,"c:\\tc")
cleardevice()
}
void DrawK(void)
{
setcolor(11)
setlinestyle(SOLID_LINE,0,THICK_WIDTH)
for(i=50i<=600i+=10)
{
rectangle(i,40,i+10,49)/*画出上边框*/
rectangle(i,451,i+10,460)/*画出下边框*/
}
for(i=40i<=450i+=10)
{
rectangle(50,i,59,i+10)/*画出左边框*/
rectangle(601,i,610,i+10)/*画出渗颂右边框*/
}
}
void GamePlay(char ch)
{
randomize()/*随机数发生器*/
food.yes=1/*1代表要出现食物，0表示以存在食物*/
snake.life=0
snake.direction=1
snake.x[0]=100snake.y[0]=100
snake.x[1]=110snake.y[1]=100
snake.node=2
PrScore()
while(1) /*可以重复游戏*/
{
while(!kbhit()) /*在没有按键的情况下蛇自己移动*/
{
if(food.yes==1) /*需要食物*/
{
food.x=rand()%400+60
food.y=rand()%350+60/*使用rand函数随机产生丛前郑食物坐标*/
while(food.x%10!=0)
food.x++
while(food.y%10!=0)
food.y++/*判断食物是否出现在整格里*/
food.yes=0/*现在有食物了*/
}
if(food.yes==0) /*有食物了就要显示出来*/
{
setcolor(GREEN)
rectangle(food.x,food.y,food.x+10,food.y-10)
}
for(i=snake.node-1i>0i--) /*贪吃蛇的移动算法*/
{
snake.x[i]=snake.x[i-1]
snake.y[i]=snake.y[i-1]/*贪吃蛇的身体移动算法*/
}
switch(snake.direction) /*贪吃蛇的头部移动算法，以此来控制移动*/
{
case 1:snake.x[0]+=10break
case 2:snake.x[0]-=10break
case 3:snake.y[0]-=10break
case 4:snake.y[0]+=10break
}
for(i=3i<snake.nodei++) /*判断是否头部与身体相撞*/
{
if(snake.x[i]==snake.x[0]&&snake.y[i]==snake.y[0])
{
GameOver()
snake.life=1
break
}
}
/*下面是判断是否撞到墙壁*/
if(snake.x[0]595||snake.y[0]455)
{
GameOver()
snake.life=1
}
if(snake.life==1) /*如果死亡就退出循环*/
break
if(snake.x[0]==food.x&&snake.y[0]==food.y) /*判断蛇是否吃到食物*/
{
setcolor(0)
rectangle(food.x,food.y,food.x+10,food.y-10)/*吃的食物后用黑色将食物擦去*/
snake.x[snake.node]=-20snake.y[snake.node]=-20/*现把增加的一节放到看不到的地方去*/
snake.node++
food.yes=1
score+=10
PrScore()
}
setcolor(4)/*每次移动后将后面的身体擦去*/
for(i=0i<snake.nodei++)
rectangle(snake.x[i],snake.y[i],snake.x[i]+10,snake.y[i]-10)
delay(gamespeed)
DELAY(ch)
setcolor(0)
rectangle(snake.x[snake.node-1],snake.y[snake.node-1],snake.x[snake.node-1]+10,snake.y[snake.node-1]-10)
}
if(snake.life==1)
break
key=bioskey(0)/*接受按键*/
if(key==ESC)
break
else
if(key==UP&&snake.direction!=4)/*判断是否改变方向*/
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
}
}
void GameOver(void)
{
cleardevice()
setcolor(RED)
settextstyle(0,0,4)
outtextxy(200,200,"GAME OVER")
getch()
}
void PrScore(void)
{
char str[10]
setfillstyle(SOLID_FILL,YELLOW)
bar(50,15,220,35)
setcolor(6)
settextstyle(0,0,2)
sprintf(str,"scord:%d",score)
outtextxy(55,20,str)
}
void Close(void)
{
getch()
closegraph()
}
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