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云代码 - c++代码库

贪吃蛇 面向过程

2014-07-15 作者： 云代码会员举报

[c++]代码库

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#include<iostream>
#include<windows.h>
#include<time.h>
#include<conio.h>
using namespace std;
// 刷新当前屏幕
inline void Refresh(char q[][22], int grade, int gamespeed){
    system("cls");     //  清屏
    int i, j;
    cout << endl;
    for (i = 0; i<22; i++){
        cout << "\t";
        for (j = 0; j<22; j++)
            cout << q[i][j] << ' ';    //  输出贪吃蛇棋盘
        if (i == 0) cout << "\t等级为：" << grade;
        if (i == 4) cout << "\t自动前进时间";
        if (i == 6) cout << "\t间隔为：" << gamespeed << "ms";
        cout << endl;
    }
}
int main(){
    char tcsQipan[22][22];     //  贪吃蛇棋盘是一个二维数组(如22*22，包括墙壁)
    int i, j;
    for (i = 1; i <= 20; i++)
    for (j = 1; j <= 20; j++)
        tcsQipan[i][j] = ' ';     //     初始化贪吃蛇棋盘中间空白部分
    for (i = 0; i <= 21; i++)
        tcsQipan[0][i] = tcsQipan[21][i] = '-';      //初始化贪吃蛇棋盘上下墙壁
    for (i = 1; i <= 20; i++)
        tcsQipan[i][0] = tcsQipan[i][21] = '|';      //初始化贪吃蛇棋盘左右墙壁
    int tcsZuobiao[2][100];     //蛇的坐标数组
    for (i = 0; i<4; i++){
        tcsZuobiao[0][i] = 1;
        tcsZuobiao[1][i] = i + 1;
    }
    int head = 3, tail = 0;
    for (i = 1; i <= 3; i++)
        tcsQipan[1][i] = '*';    //蛇身
    tcsQipan[1][4] = '#';       //蛇头
    int x1, y1;           // 随机出米
    srand(time(0));
    do{
        x1 = rand() % 20 + 1;
        y1 = rand() % 20 + 1;
    } while (tcsQipan[x1][y1] != ' ');
    tcsQipan[x1][y1] = '*';
    cout << "\n\n\t\t贪吃蛇游戏即将开始 !" << endl;//准备开始;;
    long start;
    int grade = 1, length = 4;
    int gamespeed = 500;  //前进时间间隔
    for (i = 3; i >= 0; i--){
        start = clock();
        while (clock() - start <= 1000);
        system("cls");
        if (i>0)
            cout << "\n\n\t\t进入倒计时：" << i << endl;
        else
            Refresh(tcsQipan, grade, gamespeed);
    }
    int timeover;
    char direction = 77;  // 初始情况下，向右运动
    int x, y;
    while (1){
        timeover = 1;
        start = clock();
        while ((timeover = (clock() - start <= gamespeed)) && !_kbhit());
        //如果有键按下或时间超过自动前进时间间隔则终止循环
        if (timeover){
            _getch(); direction = _getch();
        }
        switch (direction){
        case 72: x = tcsZuobiao[0][head] - 1; y = tcsZuobiao[1][head]; break;     // 向上
        case 80: x = tcsZuobiao[0][head] + 1; y = tcsZuobiao[1][head]; break;      // 向下
        case 75: x = tcsZuobiao[0][head]; y = tcsZuobiao[1][head] - 1; break;      // 向左
        case 77: x = tcsZuobiao[0][head]; y = tcsZuobiao[1][head] + 1;           // 向右
        }
        if (!(direction == 72 || direction == 80 || direction == 75 || direction == 77)){   //  按键非方向键
            cout << "\tGame over!" << endl; return 0;
        }
        if (x == 0 || x == 21 || y == 0 || y == 21){   // 碰到墙壁
            cout << "\tGame over!" << endl; return 0;
        }
        if (tcsQipan[x][y] != ' '&&!(x == x1&&y == y1)){ //   蛇头碰到蛇身
            cout << "\tGame over!" << endl; return 0;
        }
        if (x == x1 && y == y1){      //  吃米，长度加1
            length++;
            if (length >= 8){
                length -= 8;
                grade++;
                if (gamespeed >= 200)
                    gamespeed = 550 - grade * 50; // 改变自动前进时间间隔
            }
            tcsQipan[x][y] = '#';
            tcsQipan[tcsZuobiao[0][head]][tcsZuobiao[1][head]] = '*';
            head = (head + 1) % 100;
            tcsZuobiao[0][head] = x;
            tcsZuobiao[1][head] = y;
            do
            {
                x1 = rand() % 20 + 1;
                y1 = rand() % 20 + 1;
            } while (tcsQipan[x1][y1] != ' ');
            tcsQipan[x1][y1] = '*';
            Refresh(tcsQipan, grade, gamespeed);
        }
        else{       //  不吃米
            tcsQipan[tcsZuobiao[0][tail]][tcsZuobiao[1][tail]] = ' ';
            tail = (tail + 1) % 100;
            tcsQipan[tcsZuobiao[0][head]][tcsZuobiao[1][head]] = '*';
            head = (head + 1) % 100;
            tcsZuobiao[0][head] = x;
            tcsZuobiao[1][head] = y;
            tcsQipan[tcsZuobiao[0][head]][tcsZuobiao[1][head]] = '#';
            Refresh(tcsQipan, grade, gamespeed);
        }
    }
    system("pause");
    return 0;
}


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