贪吃蛇代码

#include<stdio.h>
#include<windows.h>
#include<time.h>
#include<conio.h>
#include<stdlib.h>
#include <iostream>
#include <cmath> 
#include <cstring>
using namespace std;
struct node{
    int x,y;
    node *next;
};

int Life=1;//是否死亡  0代表死亡；
int x_food,y_food;//食物位置
int x_block[36],y_block[36];//障碍物的位置 
char movedir='R';//方向
node* SHead=NULL;//
node* STail=NULL;
node* p=NULL;
int foodnum=0;
int score=0;
int level=0;
int death=0;
int speed=400;

void creatsnakemap();//创建地图
void creatsnake();//创建蛇
void gotoxy(int,int);//光标定位函数*
void SetColor(unsigned short);//设置颜色
void startgame();//开始游戏
void makeblock();//产生障碍物 
void isdead();//判断是否死亡；
void nofood(int x,int y);//前方没有食物
void yesfood();//前方有食物
void makefood();//随机产生食物
void drawsnake();//画出蛇
void Snakedelete();//删除蛇的尾巴
void isfood();//判断前方是否有食物
void creatscreen();//打印开始屏幕
void ending();//结束
bool judge();//判断食物是否出现在蛇身体上
int main()
{
    system("mode con cols=80 lines=35");
    system("color 1f");
    creatscreen();
    creatsnakemap();
    creatsnake();
    startgame();
    ending();
    while(getch()!=27)
        continue;
}
void creatscreen()
{
    SetColor(7);
    gotoxy(31,10);printf("经典贪吃蛇");
    gotoxy(28,12);printf("按任意键开始游戏");
    gotoxy(28,30);printf("Copyright@_御心飞行");
    getch();
    system("cls");
}
void creatsnakemap()
{
    int i;
    SetColor(3);
    for(i=4;i<50;i+=2)//横墙
    {
        gotoxy(i,4);
        printf("■");
        gotoxy(i,29);
        printf("■");
        Sleep(30);
    }
    for(i=4;i<29;i++)//竖墙
    {
        gotoxy(4,i);
        printf("■");
        gotoxy(48,i);
        printf("■");
        Sleep(30);
    }
    SetColor(7);
    gotoxy(58,13);printf("人头：");
    gotoxy(58,15);printf("等级：");
    gotoxy(58,19);printf("还没有穿墙技能"); 
    makeblock();
}
void creatsnake()
{
    node* newsnake;
    int i;
    SHead=(node *)malloc(sizeof(node));
    STail=SHead;
    STail->next=NULL;
    for(i=0;i<3;i++)
    {
        newsnake=(node *)malloc(sizeof(node));
        newsnake->next=NULL;
        STail->next =newsnake;
        STail=newsnake;
    }
    STail->next=NULL;
    p=SHead;
    SetColor(2);
    gotoxy(p->x=16,p->y=10),printf("◆");
    p=p->next;
    SetColor(3);
    gotoxy(p->x=14,p->y=10),printf("□");
    p=p->next;
    gotoxy(p->x=12,p->y=10),printf("□");
    p=p->next;
    gotoxy(p->x=10,p->y=10),printf("□");

}
void startgame()
{
    while(1)
    {
        isdead();
        if(Life==0)
            break;
        if(foodnum==0)
        {
            makefood();
            foodnum=1;
        }
        if(GetAsyncKeyState(VK_UP)&&movedir!='D')
            movedir='U';
        if(GetAsyncKeyState(VK_DOWN)&&movedir!='U')
            movedir='D';
        if(GetAsyncKeyState(VK_LEFT)&&movedir!='R')
            movedir='L';
        if(GetAsyncKeyState(VK_RIGHT)&&movedir!='L')
            movedir='R';
        isfood();    //判断前方是否有食物,然后移动一格
        Sleep(speed);//刷新时间，即速度；
        int Olevel=level;
        SetColor(7);
        gotoxy(68,13);printf("%d",score);
        gotoxy(68,15);printf("%d",level=score/7+1);
        if(Olevel==level-1)//等级判断
        {
            if(speed>200)
                speed-=60;
            else if(speed>100)
                speed-=40;
            else
                speed-=14;
        }
        SetColor(5);
        if(level>=5)
        {
            gotoxy(58,19);printf("穿墙技能GET.22333"); 
            gotoxy(58,20);printf("你可放心穿过白墙");
        }
    }
    system("cls");
}
void isfood()
{
    if(movedir=='U')
    {
        if(SHead->x==x_food&&SHead->y-1==y_food)//判断
            yesfood();    //前方有食物
        else
            nofood(SHead->x,SHead->y-1);//前方没有食物
    }
    if(movedir=='D')
    {
        if(SHead->x==x_food&&SHead->y+1==y_food)
            yesfood();
        else
            nofood(SHead->x,SHead->y+1);
    }
    if(movedir=='L')
    {
        if(SHead->x-2==x_food&&SHead->y==y_food)
            yesfood();
        else
            nofood(SHead->x-2,SHead->y);
    }
    if(movedir=='R')
    {
        if(SHead->x+2==x_food&&SHead->y==y_food)
            yesfood();
        else
            nofood(SHead->x+2,SHead->y);

    }
    drawsnake();
}
void nofood(int x,int y)
{
        node* Nh;//临时头节点
        Nh=(node *)malloc(sizeof(node));//设定新的蛇头
        Nh->x=x;
        Nh->y=y;
        Nh->next=SHead;
        SHead=Nh;
        Snakedelete();//删除最后一个节点
}
void yesfood()
{
    node* food;
    food=(node*)malloc(sizeof(node));
    food->x=x_food;
    food->y=y_food;
    food->next=SHead;
    SHead=food;
    foodnum=0;
    makefood();
    score++;
}
void Snakedelete()
{
    p=SHead;
    while((p->next)->next!=NULL)
    {
        p=p->next;
    }
    gotoxy(STail->x,STail->y),printf(" ");
    free(STail);
    STail=p;
    STail->next=NULL;
}
void drawsnake()
{
    p=SHead->next;
    SetColor(2);
    gotoxy(SHead->x,SHead->y);
    printf("◆");
    while(p!=NULL)
    {
        SetColor(2);
        gotoxy(p->x,p->y),printf("□");
        p=p->next;
    }
}
void isdead()//判断是否死亡
{
    node* p;
    if(SHead->y==4&&movedir=='U')//预判是否撞到墙
    {
        Life=0;
        return;
    }
    if(SHead->y==29&&movedir=='D')
    {
        Life=0;
        return;
    }
    if(SHead->x==4&&movedir=='L')
    {
        Life=0;
        return;
    }
    if(SHead->x==48&&movedir=='R')
    {
        Life=0;
        return;
    }
    for(p=SHead->next;p!=NULL;p=p->next)//判断是否撞到自己
    {
        if(SHead->x==p->x&&SHead->y==p->y)
        {
            Life=0;
            break;
        }
    }
    if(level<5)
    {
        for(int i=0;i<36;i++)
        {
            if(SHead->x==x_block[i]&&SHead->y==y_block[i])
            {
                Life=0;
                break;
            }        
        }
    }
}
void makefood()//随机产生食物 
{
    srand(time(NULL));
    do
    {
        x_food=rand()%41+5;
        if(x_food%2==1)
            x_food++;
        y_food=(rand()*rand())%23+5;
    }while(judge());//判断食物是否会产生在蛇的身体上 
    gotoxy(x_food,y_food);
    SetColor(4);
    printf("●");
    foodnum=1;
}
void makeblock()//随机产生障碍物 
{
    memset(x_block,0,sizeof(x_block));
    memset(y_block,0,sizeof(y_block));    
    int i=0,j=8,k=7,p=2;
    for(;i<12;i++)
    {
        srand(time(NULL));
        x_block[i]=(rand()*(++p))%39+8;
        if(x_block[i]%2==1)
            x_block[i]++;
        y_block[i]=(rand()*(++k)*i)%22+5;
        if(y_block[i]%3==0)
        {
            gotoxy(x_block[i],y_block[i]);
            printf("■■");
            x_block[j]=x_block[i]+2;
            y_block[j++]=y_block[i];
        }
        else if(y_block[i]%3==1)//最坏的情况 
        {
            gotoxy(x_block[i],y_block[i]);
            printf("■");
            gotoxy(x_block[i],y_block[i]+1);
            printf("■");
            gotoxy(x_block[i],y_block[i]+2);
            printf("■");
            x_block[j]=x_block[i];
            y_block[j]=y_block[i]+1;
            x_block[j+1]=x_block[i];
            y_block[j+1]=y_block[i]+2;
            j+=2;        
        }
        else
        {
            gotoxy(x_block[i],y_block[i]);
            printf("■■");    
            x_block[j]=x_block[i]+2;
            y_block[j]=y_block[i];
        }
    }
} 
bool judge()
{
    node* p=SHead;
    int i=0;
    for(;p!=NULL;p=p->next)
    {
        if(p->x==x_food&&p->y==y_food)
            return 1;
    }
    for(;i<36;i++)
    {
        if(x_food==x_block[i]&&y_food==y_block[i])
            return 1;
    }
    return 0;
}
void ending()
{
    SetColor(6);
    gotoxy(27,10);printf("game over!   -_-！");
    SetColor(7);
    gotoxy(30,14);printf("成绩：%d",score);
    gotoxy(21,30);printf("我的博客：www.cnblog.com/a1225234/");
}
void gotoxy(int x, int y)//光标定位函数  x列，y行
{
     COORD coord = {x, y};
     SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
}

void SetColor(unsigned short ForeColor) // ForeColor前景色
{
    HANDLE hCon = GetStdHandle(STD_OUTPUT_HANDLE); //获得缓冲区句柄
    SetConsoleTextAttribute(hCon,ForeColor);//设置文本及背景颜色
}