而initgraph(&gd,&gm,"c:\\tc")是人家自定义的函数，传入的三个都是参数，至于怎么起作用、怎么转换的就要看函数内部的代码了。
#include<conio.h>#include<graphics.h>#include<time.h>#include<string.h>#include<malloc.h>#include<stdio.h>int grade=5,point=0,life=3void set(),menu(),move_head(),move_body(),move(),init_insect(),left(),upon(),right(),down(),init_graph(),food_f(),ahead(),crate()struct bug { int xint ystruct bug *laststruct bug *next}struct fd { int xint yint judge}food={0,0,0}struct bug *head_f=NULL,*head_l,*p1=NULL,*p2=NULLvoid main() { char chinitgraph(800,600)set()init_insect()while(1) { food_f()Sleep(grade*10)setcolor(BLACK)circle(head_l->x,head_l->y,2)setcolor(WHITE)move_body()if(kbhit()) { ch=getch()if(ch==27) { ahead()set()} else if(ch==-32) { switch(getch()) { case 72:upon()breakcase 80:down()breakcase 75:left()breakcase 77:right()break} } else ahead()} else { ahead()} if(head_f->x==food.x&&head_f->y==food.y) { Sleep(100)crate()food.judge=0point=point+(6-grade)*10if(food.x<30||food.y<30||food.x>570||food.y>570) life++menu()} if(head_f->x<5||head_f->x>595||head_f->y<5||head_f->y>595) { Sleep(1000)life--food.judge=0init_graph()init_insect()menu()} for(p1=head_f->nextp1!=NULLp1=p1->next) { if(head_f->x==p1->x&&head_f->y==p1->y) { Sleep(1000)life--food.judge=0init_graph()init_insect()menu()break} } if(life==0) { outtextxy(280,300,"游戏结束！")getch()return} move()}} void init_graph() { clearviewport()setlinestyle(PS_SOLID,1,5)rectangle(2,2,600,598)setlinestyle(PS_SOLID,1,1)} void set() { init_graph()outtextxy(640,50,"1、开始 / 返回")outtextxy(640,70,"2、退出")outtextxy(640,90,"3、难度")outtextxy(640,110,"4、重新开始")switch(getch()) { case '1': menu()setcolor(GREEN)circle(food.x,food.y,2)setcolor(WHITE)returncase '2': exit(0)breakcase '3': outtextxy(700,90,"：1 2 3 4 5")grade=getch()-48set()breakcase '4': food.judge=0,grade=5point=0life=3init_insect()menu()breakdefault: outtextxy(250,300,"输入错误！")set()break} } void menu() { char str[20],str1[]={"分数："},str2[]={"难度："},str3[]={"生命值："}init_graph()sprintf(str,"%d",point)strcat(str1,str)outtextxy(640,50,str1)sprintf(str,"%d",grade)strcat(str2,str)outtextxy(640,70,str2)sprintf(str,"%d",life)strcat(str3,str)outtextxy(640,90,str3)outtextxy(640,110,"设置：ESC")} void init_insect() { head_f=(struct bug *)malloc(sizeof(struct bug))head_f->last=NULLhead_f->x=300head_f->y=300p2=head_f->next=p1=(struct bug *)malloc(sizeof(struct bug))p1->last=head_fp1->x=295p1->y=300p1=p1->next=(struct bug *)malloc(sizeof(struct bug))p1->next=NULLp1->x=290p1->y=300p1->last=p2head_l=p1} void move() { for(p1=head_fp1!=NULLp1=p1->next) { circle(p1->x,p1->y,2)} } void move_head() { } void move_body() { for(p1=head_l,p2=p1->lastp2!=NULLp1=p2,p2=p2->last) { p1->x=p2->xp1->y=p2->y} } void ahead() { p1=head_fp2=p1->nextp2=p2->nextif(p1->x==p2->x) { if(p1->y>p2->y) head_f->y+=5else head_f->y-=5} else { if(p1->x>p2->x) { head_f->x+=5} else head_f->x-=5} } void upon() { p1=head_f->nextp1=p1->nexthead_f->y-=5if(p1->x==head_f->x&&p1->y==head_f->y) { head_f->y+=5ahead()} } void down() { p1=head_f->nextp1=p1->nexthead_f->y+=5if(p1->x==head_f->x&&p1->y==head_f->y) { head_f->y-=5ahead()} } void left() { p1=head_f->nextp1=p1->nexthead_f->x-=5if(p1->x==head_f->x&&p1->y==head_f->y) { head_f->x+=5ahead()} } void right() { p1=head_f->nextp1=p1->nexthead_f->x+=5if(p1->x==head_f->x&&p1->y==head_f->y) { head_f->x-=5ahead()} } void food_f() { if(!food.judge) { food.x=(rand()%117+1)*5food.y=(rand()%117+1)*5food.judge=1if(food.x<30||food.y<30||food.x>570||food.y>570) { setcolor(RED)circle(f#include <stdio.h>#include <graphics.h>
#include <stdlib.h>
#include <dos.h>/*引用的库函数*/
#define LEFT 0x4b00
#define RIGHT 0x4d00
#define DOWN 0x5000
#define UP 0x4800
#define ESC 0x011b/*宏定义键名*/
#define N 200
int i,key
int level/*游戏等级*/
int score=0/*得分*/
int gamespeed/*游戏速度*/
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/*蛇的结构体*/
void Choicelevle(void)/*选择游戏等级*/
void Init(void)/*图形驱动*/
void Close(void)/*图形结束*/
void DRAW(void)/*游戏区域*/
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*/
Choicelevle()/*选择游戏等级*/
DRAW()/*游戏区域*/
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,"\\turboc2")/*初始化图形系统*/
cleardevice()/*清除图形界面*/
}
/*选择游戏等级*/
void Choicelevle(void)
{char
name[20]setcolor(YELLOW)settextstyle(0,0,6)outtextxy(150,150,"Snake")setcolor(GREEN)settextstyle(0,0,1)outtextxy(200,250,"please
put in your English name:")outtextxy(200,270,"Choice levle from
1-9.")outtextxy(300,320,"name:yangzilong")/*制作人姓名*
/outtextxy(300,350,"number:0902060226")/*制作人学号*
/outtextxy(300,380,"class:computer science
0602")/*制作人班级*/getch()printf("please putin your
name:")gets(name)printf("please choice
levle:")scanf("%d",&level)gamespeed=100000-400*level-300*level*levelif(level>9||level<1){cleardevice()
/*清除图形界面*/setcolor(YELLOW)/*设置字体颜色*/settextstyle(0,0,2)
/*设置字体类型*/outtextxy(150,200,"level input error")
/*显示文本*/getch()level=1}
}
void DRAW(void)
{cleardevice()/*清屏*/setcolor(2)setlinestyle(SOLID_LINE,0,THICK_WIDTH)/*设置线型*/rectangle(45,45,465,325)}
/*玩游戏具体过程*/
void GamePlay(void)
{setcolor(5)setlinestyle(SOLID_LINE,0,THICK_WIDTH)/*
设置线型*/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]=320
snake.y[0]=240/*蛇头*/snake.x[1]=330snake.y[1]=240
/*蛇的第二节位置*/snake.node=3/*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()%360+70food.y=rand()%250+60while(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-1i>0i--)/*蛇的每个环节往前移动*/
{
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,通过这个控制来移动蛇头*/
switch(snake.direction)
{
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++)/*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/*蛇死*/
break
}
}
/*如果蛇头碰到墙壁，蛇头从对面墙出来*/
if(snake.x[0]<50)
{snake.x[0]=450
/*如果蛇头越过左边界,则从右边界进入*/snake.y[0]=snake.y[0]/*纵坐标不变*/for(i=snake.node-1
i>0i--){snake.x[i]=snake.x[i-1]snake.y[i]=snake.y[i-1]
/*蛇的其他节数向前推进*/}
{
setfillstyle(SOLID_FILL,0)/*设置填充模式和颜色，0表示黑色*/
bar(50,55,455,315)/*bar是表示填充的范围的函数*/
}
}
else
if(snake.x[0]>450)
{snake.x[0]=50
/*如果蛇头越过右边界,则蛇头从左边界进入*/snake.y[0]=snake.y[0]/*纵坐标不变*/for(i=snake.node-
1i>0i--){snake.x[i]=snake.x[i-1]snake.y[i]=snake.y[i-1]
/*蛇的其他节数向前推进*/}
{
setfillstyle(SOLID_FILL,0)/*设置填充模式和颜色，0表示黑色*/
bar(50,55,455,315)/*bar是表示填充的范围的函数*/
}
}
else
if(snake.y[0]<60)
{snake.y[0]=320
/*如果蛇头越过上边界,则从下边界进入*/snake.x[0]=snake.x[0]/*横坐标不变*/for(i=snake.node-1
i>0i--){snake.x[i]=snake.x[i-1]snake.y[i]=snake.y[i-1]
/*蛇的其他节数向前推进*/}
{
setfillstyle(SOLID_FILL,0)/*设置填充模式和颜色，0表示黑色*/
bar(50,55,455,315)/*bar是表示填充的范围的函数*/
}
}
else
if(snake.y[0]>320)
{snake.y[0]=60
/*如果蛇头越过下边界,则从上边界进入*/snake.x[0]=snake.x[0]/*横坐标不变*/for(i=snake.node-1
i>0i--){snake.x[i]=snake.x[i-1]snake.y[i]=snake.y[i-1]
/*蛇的其他节数向前推进*/}
{
setfillstyle(SOLID_FILL,0)/*设置填充模式和颜色，0表示黑色*/
bar(50,55,455,315)/*bar是表示填充的范围的函数*/
}
}
if(snake.life==1)/*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)/*用当前线型和颜色画一矩形*/
snake.x[snake.node]=-20snake.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/*每吃掉一食物,得分累加10分*/
if(score%100==0)
{level++gamespeed=100000-400*level-
300*level*level/*每吃掉10食物提升一级,速度加快*/PrScore()/*输出新得分*/setcolor(YELLOW)
/*设置字体颜色*/settextstyle(0,0,4)/*设置字体类型*/outtextxy(150,200,"LEVEL UP")
/*显示文本*/if(level==10){level=1,gamespeed=100000-400*level-
300*level*level}
delay(6000000)
delay(6000000)
delay(6000000)
delay(6000000)
delay(6000000)
delay(6000000)
delay(6000000)
bar(50,55,455,315)/*bar是表示填充的范围的函数*/
}
PrScore()/*输出新得分*/
}
setcolor(4)/*画出蛇*/
for(i=0i<snake.nodei++)
rectangle(snake.x[i],snake.y[i],snake.x[i]+10,
snake.y[i]-10)
delay(gamespeed)/*控制游戏速度*/
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)
} /*endwhile（！kbhit）*/ /*用黑色去除蛇的的最后一节*/
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()/*清屏*/
PrScore()
setcolor(RED)/*设置字体颜色*/
settextstyle(0,0,4)/*设置字体类型*/
outtextxy(200,200,"GAME OVER")/*显示文本*/
getch()
}
/*输出成绩及游戏等级*/
void PrScore(void)
{
char str1[20]/*设置字符型数组*/
setfillstyle(SOLID_FILL,0)
bar(50,15,390,35)/*填充矩形框*/
setcolor(6)/*设置文本颜色*/
settextstyle(0,0,2)/*设置数组显示位置*/
sprintf(str1,"score %d level %d",score,level)/*显示数组内容*/
outtextxy(55,20,str1)
setcolor(YELLOW)/*设置字体颜色*/
settextstyle(0,0,2)/*设置字体类型*/
outtextxy(250,400,"EXIT=ESC ")/*显示文本*/
}
void Close(void)
{
closegraph()
}
