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   源码介绍

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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <conio.h>
#define GAMESIZE 20
int snake_land[GAMESIZE][GAMESIZE]={0};
int x=GAMESIZE/2 1,y=GAMESIZE/2-1,length=3,score;
clock_t start_time=clock(),mid_time=1000,speed_time=clock(),food_time=clock(); 



void Snake_round()     //打印 
{
	int i,j; 
	system("cls");
	for(i=0;i<=GAMESIZE;i  ) 
	printf("__");
	printf("\n");
	for(i=0;i<GAMESIZE;i  ) 
	{
		printf("|");
		for(j=0;j<GAMESIZE;j  )
		{
		if(snake_land[i][j]==0)  printf("  ");
		else if(snake_land[i][j]>0)	printf("⊙");
		else if(snake_land[i][j]<0)	printf("▇");
	//printf("%d ",snake_land[i][j]) ;
		}
		
		printf("|");
		if(i==3)  printf("    snake_length: %d",length);
		if(i==4)  printf("    snake_speed: %d",11-mid_time/100);
		printf("\n");

	}
	for(i=0;i<=GAMESIZE;i  ) 
	printf("￣");
}

void Snake_body()	   //身体标记 
{
	snake_land[y][x]=1;
	snake_land[y][x-1]=2;
	snake_land[y][x-2]=3; 
}

void Snake_control()  //
{
	int i,j,k,l;
	char a;
		for(i=0;i<GAMESIZE;i  ) 
		{
		for(j=0;j<GAMESIZE;j  )
		if(snake_land[i][j]==2) break;	
		if(snake_land[i][j]==2) break;
		}
if(kbhit()) 
{
a=getch(); 
if(a=='w'&&y==i) 
	{
		for(i=0;i<GAMESIZE;i  ) 
		{
			for(j=0;j<GAMESIZE;j  )
			{
			if(snake_land[i][j]==length) {k=i;l=j;}
			if(snake_land[i][j]>0)   snake_land[i][j];
			}
		}
		--y;
		if(snake_land[y][x]==0) snake_land[k][l]=0;
		else if(snake_land[y][x]<0)   length;
		else if(snake_land[y][x]>0) { score=length;length=0;}
		snake_land[y][x]=1;		
	}
else if(a=='s'&&y==i) 
	{
		for(i=0;i<GAMESIZE;i  ) 
		{
			for(j=0;j<GAMESIZE;j  )
			{
			if(snake_land[i][j]==length) {k=i;l=j;}
			if(snake_land[i][j]>0)   snake_land[i][j];
			}
		}
		  y;
		if(snake_land[y][x]==0) snake_land[k][l]=0;
		else if(snake_land[y][x]<0)   length;
		else if(snake_land[y][x]>0) { score=length;length=0;}
		snake_land[y][x]=1;		
	}
 
 else if(a=='a'&&x==j) 
	{
		for(i=0;i<GAMESIZE;i  ) 
		{
			for(j=0;j<GAMESIZE;j  )
			{
			if(snake_land[i][j]==length) {k=i;l=j;}
			if(snake_land[i][j]>0)   snake_land[i][j];
			}
		}
		--x;
		if(snake_land[y][x]==0) snake_land[k][l]=0;
		else if(snake_land[y][x]<0)   length;
		else if(snake_land[y][x]>0) { score=length;length=0;}
		snake_land[y][x]=1;		
	}

else if(a=='d'&&x==j) 
	{
		for(i=0;i<GAMESIZE;i  ) 
		{
			for(j=0;j<GAMESIZE;j  )
			{
			if(snake_land[i][j]==length) {k=i;l=j;}
			if(snake_land[i][j]>0)   snake_land[i][j];
			}
		}
		  x;
		if(snake_land[y][x]==0) snake_land[k][l]=0;
		else if(snake_land[y][x]<0)   length;
		else if(snake_land[y][x]>0) { score=length;length=0;}
		snake_land[y][x]=1;		
	}
}
 
}

void Snake_speed()
{
	int i,j,k,l;
	clock_t end_time=clock() ;
	if(end_time-speed_time>10000&&mid_time>400)
	{
	mid_time-=100;
	speed_time=end_time;
	}
	if(end_time-start_time>mid_time)
	{
		start_time=end_time;
		for(i=0;i<GAMESIZE;i  ) 
		{
			for(j=0;j<GAMESIZE;j  )
			{
			if(snake_land[i][j]==length) {k=i;l=j;}
			if(snake_land[i][j]>0)   snake_land[i][j];
			}
		}
		
		for(i=0;i<GAMESIZE;i  ) 
		{
		for(j=0;j<GAMESIZE;j  ) if(snake_land[i][j]==3) break;	
		if(snake_land[i][j]==3) break;
		}
		
		if(i>y&&x==j) --y;
		else if(i<y&&x==j)   y;
		else if(j>x&&y==i) --x;
		else if(j<x&&y==i)   x;		
		
		if(snake_land[y][x]==0) snake_land[k][l]=0;
		else if(snake_land[y][x]<0)   length;
		else if(snake_land[y][x]>0) { score=length;length=0;}
		snake_land[y][x]=1;
	}

}

void Snake_food()     //
{	
	int i,j;
	clock_t a=clock() ;
	if(a-food_time>3000)
	{
	food_time=a;
	srand((unsigned)time(NULL));
	i=rand()%GAMESIZE;
	j=rand()%GAMESIZE;
	if(snake_land[i][j]==0) snake_land[i][j]=-1;
	}
}

int main() 
{
	int i,j; 
	Snake_round();
	Snake_body();
	for(i=0;i<GAMESIZE;i  )	for(j=0;j<GAMESIZE;j  )	snake_land[i][16]=-1;
		
	for(;;)
	{	
		Snake_speed();
		Snake_control();
		Snake_food(); 
		if(length==0) break;
	 	Snake_round();

	}

	system("cls");
	printf("\ngame over!\nyour score:%d",score);
	return 0;
}