貪吃蛇遊戲C源代碼
2007年10月28日 星期日 15:55#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;/*遊戲速度自己調整*/
struct Food
{
int x;/*食物的橫坐標*/
int y;/*食物的縱坐標*/
int yes;/*判斷是否要出現食物的變量*/
}food;/*食物的結構體*/
struct Snake
{
int x[N];
int y[N];
int node;/*蛇的節數*/
int direction;/*蛇移動方向*/
int life;/* 蛇的生命,0活著,1死亡*/
}snake;
void Init(void);/*圖形驅動*/
void Close(void);/*圖形結束*/
void DrawK(void);/*開始畫面*/
void GameOver(void);/*結束遊戲*/
void GamePlay(void);/*玩遊戲具體過程*/
void PrScore(void);/*輸出成績*/
/*主函數*/
void main(void)
{
Init();/*圖形驅動*/
DrawK();/*開始畫面*/
GamePlay();/*玩遊戲具體過程*/
Close();/*圖形結束*/
}
/*圖形驅動*/
void Init(void)
{
int gd=DETECT,gm;
initgraph(&gd,&gm,"c:\\tc");
cleardevice();
}
/*開始畫面，左上角坐標為（50，40），右下角坐標為（610，460）的圍墻*/
void DrawK(void)
{
/*setbkcolor(LIGHTGREEN);*/
setcolor(11);
setlinestyle(SOLID_LINE,0,THICK_WIDTH);/*設置線型*/
for(i=50;i<=600;i+=10)/*畫圍墻*/
{
rectangle(i,40,i+10,49); /*上邊*/
rectangle(i,451,i+10,460);/*下邊*/
}
for(i=40;i<=450;i+=10)
{
rectangle(50,i,59,i+10); /*左邊*/
rectangle(601,i,610,i+10);/*右邊*/
}
}
/*玩遊戲具體過程*/
void GamePlay(void)
{
randomize();/*隨機數發生器*/
food.yes=1;/*1表示需要出現新食物,0表示已經存在食物*/
snake.life=0;/*活著*/
snake.direction=1;/*方向往右*/
snake.x[0]=100;snake.y[0]=100;/*蛇頭*/
snake.x[1]=110;snake.y[1]=100;
snake.node=2;/*節數*/
PrScore();/*輸出得分*/
while(1)/*可以重復玩遊戲,壓ESC鍵結束*/
{
while(!kbhit())/*在沒有按鍵的情況下,蛇自己移動身體*/
{
if(food.yes==1)/*需要出現新食物*/
{
food.x=rand()%400+60;
food.y=rand()%350+60;
while(food.x%10!=0)/*食物隨機出現後必須讓食物能夠在整格內,這樣才可以讓蛇吃到*/
food.x++;
while(food.y%10!=0)
food.y++;
food.yes=0;/*畫面上有食物了*/
}
if(food.yes==0)/*畫面上有食物了就要顯示*/
{
setcolor(GREEN);
rectangle(food.x,food.y,food.x+10,food.y-10);
}
for(i=snake.node-1;i>0;i--)/*蛇的每個環節往前移動,也就是貪吃蛇的關鍵算法*/
{
snake.x[i]=snake.x[i-1];
snake.y[i]=snake.y[i-1];
}
/*1,2,3,4表示右,左,上,下四個方向,通過這個判斷來移動蛇頭*/
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++)/*從蛇的第四節開始判斷是否撞到自己了，因為蛇頭為兩節，第三節不可能拐過來*/
{
if(snake.x[i]==snake.x[0]&&snake.y[i]==snake.y[0])
{
GameOver();/*顯示失敗*/
snake.life=1;
break;
}
}
if(snake.x[0]<55||snake.x[0]>595||snake.y[0]<55||
snake.y[0]>455)/*蛇是否撞到墻壁*/
{
GameOver();/*本次遊戲結束*/
snake.life=1; /*蛇死*/
}
if(snake.life==1)/*以上兩種判斷以後,如果蛇死就跳出內循環，重新開始*/
break;
if(snake.x[0]==food.x&&snake.y[0]==food.y)/*吃到食物以後*/
{
setcolor(0);/*把畫面上的食物東西去掉*/
rectangle(food.x,food.y,food.x+10,food.y-10);
snake.x[snake.node]=-20;snake.y[snake.node]=-20;
/*新的壹節先放在看不見的位置,下次循環就取前壹節的位置*/
snake.node++;/*蛇的身體長壹節*/
food.yes=1;/*畫面上需要出現新的食物*/
score+=10;
PrScore();/*輸出新得分*/
}
setcolor(4);/*畫出蛇*/
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後壹節*/
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)/*如果蛇死就跳出循環*/
break;
key=bioskey(0);/*接收按鍵*/
if(key==ESC)/*按ESC鍵退出*/
break;
else
if(key==UP&&snake.direction!=4)
/*判斷是否往相反的方向移動*/
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)*/
}
/*遊戲結束*/
void GameOver(void)
{
cleardevice();
PrScore();
setcolor(RED);
settextstyle(0,0,4);
outtextxy(200,200,"GAME OVER");
getch();
}
/*輸出成績*/
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);
}
/*圖形結束*/
void Close(void)
{
getch();
closegraph();
}
二.
#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;
int gamespeed=50000;
struct Food
{
int x;
int y;
int yes;
}food;
struct Snake
{
int x[N];
int y[N];
int node;
int direction;
int life;
}snake;
void Init(void);
void Close(void);
void DrawK(void);
void GameOver(void);
void GamePlay(void);
void PrScore(void);
void main(void)
{
Init();
DrawK();
GamePlay();
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=50;i<=600;i+=10)
{
rectangle(i,40,i+10,49);
rectangle(i,451,i+10,460);
}
for(i=40;i<=450;i+=10)
{
rectangle(50,i,59,i+10);
rectangle(601,i,610,i+10);
}
}
void GamePlay(void)
{
randomize();
food.yes=1;
snake.life=0;
snake.direction=1;
snake.x[0]=100;snake.y[0]=100;
snake.x[1]=110;snake.y[1]=100;
snake.node=2;
PrScore();
while(1)
{
while(!kbhit())
{
if(food.yes==1)
{
food.x=rand()%400+60;
food.y=rand()%350+60;
while(food.x%10!=0)
food.x++;
while(food.y%10!=0)
food.y++;
food.yes=0;
}
if(food.yes==0)
{
setcolor(GREEN);
rectangle(food.x,food.y,food.x+10,food.y-10);
}
for(i=snake.node-1;i>0;i--)
{
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;
}
for(i=3;i<snake.node;i++)
{
if(snake.x[i]==snake.x[0]&&snake.y[i]==snake.y[0])
{
GameOver();
snake.life=1;
break;
}
}
if(snake.x[0]<55||snake.x[0]>595||snake.y[0]<55||
snake.y[0]>455)
{
GameOver();
snake.life=1;
}
if(snake.life==1)
break;
if(snake.x[0]==food.x&&snake.y[0]==food.y)
{
setcolor(0);
rectangle(food.x,food.y,food.x+10,food.y-10);
snake.x[snake.node]=-20;snake.y[snake.node]=-20;
snake.node++;
food.yes=1;
score+=10;
PrScore();
}
setcolor(4);
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);
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);
if(key==ESC)
break;
else
if(key==UP&&snake.direction!=4)
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();
PrScore();
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,"score:%d",score);
outtextxy(55,20,str);
}
void Close(void)
{
getch();
closegraph();
}
三.
#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;
int gamespeed=50000;
struct Food
{int x;
int y;
int yes;
}food;
struct Snake
{int x[N];
int y[N];
int node;
int direction;
int life;
}snake;
void Init();
void Close();
void DrawK();
void GamePlay();
void GameOver();
void PrScore();
void main()
{ Init();
DrawK();
GamePlay();
Close();
}
void Init()
{int gd=DETECT,gm;
initgraph(&gd,&gm,"F:\\tuoboc2");/*此處為turboc的路徑，讀者可以根據自己的電腦而改*/
cleardevice();
}
void DrawK()
{setbkcolor(LIGHTGREEN);
setcolor(11);
setlinestyle(SOLID_LINE,0,THICK_WIDTH);
for(i=50;i<=600;i+=10)
{rectangle(i,40,i+10,49);
rectangle(i,451,i+10,460);
}
for(i=40;i<=450;i+=10)
{rectangle(50,i,59,i+10);
rectangle(601,i,610,i+10);
}
}
void GamePlay()
{randomize();
food.yes=1;
snake.life=0;
snake.direction=1;
snake.x[0]=100;snake.y[0]=100;
snake.x[1]=110;snake.y[1]=100 ;
snake.node=2;
PrScore();
while(1)
{while(!kbhit())
{ if(food.yes==1)
{food.x=rand()%400+60;
food.y=rand()%350+60;
while(food.x%10!=0)
food.x++;
while(food.y%10!=0)
food.y++;
food.yes=0;
}
if(food.yes==0)
{setcolor(GREEN);
rectangle(food.x,food.y,food.x+10,food.y-10);
}
for(i=snake.node-1;i>0;i--)
{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;
}
for(i=3;i<snake.node;i++)
{
if(snake.x[i]==snake.x[0]&&snake.y[i]==snake.y[0])
{ GameOver();
snake.life=1;
break;
}
}
if(snake.x[0]<55||snake.x[0]>595||snake.y[0]<55||snake.y[0]>455)
{GameOver();
snake.life=1;
}
if(snake.life==1)
break;
if(snake.x[0]==food.x&&snake.y[0]==food.y)
{setcolor(0);
rectangle(food.x,food.y,food.x+10,food.y-10);
snake.x[snake.node]=-20;
snake.y[snake.node]=-20;
snake.node++;
food.yes=1;
score+=10;
PrScore();
}
setcolor(4);
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);
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);
if(key==Esc)
break;
else if(key==UP&&snake.direction!=4)
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()
{
cleardevice();
PrScore();
setcolor(RED);
settextstyle(3,0,4);
outtextxy(100,100,"Mengmeng,i love you!");
getch();
}
void PrScore()
{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);
}
void Close()
{ getch();
closegraph();
}