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c语言----<项目>_小游戏<2048>(一)
2019-01-26 00:09:01 】 浏览:57
Tags:语言 ----< 项目 > 小游戏 < 2048>

2048 小游戏 主要是针对逻辑思维的一个训练.

主要学习方面:1.随机数产生的概率.2.行与列在进行移动的时候几种情况.3.MessageBox的使用

#include <iostream>
#include <time.h>
#include <conio.h>
#include <windows.h>
using namespace std;
int board[4][4] = {0};                          //二维数组
int if_need_rand;                               //是否生成随机数
int if_game_over;                               //游戏结束
void showGame() {                               //打印边框
    system("cls");                              //刷新屏幕
    printf("┏━━━┳━━━┳━━━┳━━━┓\n");
    for (int i = 0; i < 4; i++) {
        printf("┃");
        for (int j = 0; j < 4;j++) {
            if (board[i][j]==0) {
            printf("   ┃");
            }
            else {
                printf("%3d┃",board[i][j]);
            }
        }
        if (i<3) {
            printf("\n┣━━━╋━━━╋━━━╋━━━┫\n");
        }
        else {
            printf("\n┗━━━┻━━━┻━━━┻━━━┛\n");
        }
    }
}
//设计随机数
void addRand() {
    //随机数种子
    srand((unsigned)time(NULL));
    int i, j;//行列
    while (1) {
        i = rand() % 4;
        j = rand() % 4;
        if (board[i][j]==0) {
            //三目运算符,几率时2分之一
            board[i][j] = (rand() % 3 ? 2 : 4);
            break;
        }
        else {
            continue;
        }
    }
}
//初始化
void initGame() {
    if_need_rand = 1;
    if_game_over = 0;
    int i, j;
    i = rand() % 4;
    j = rand() % 4;
    board[i][j] = 2;
    //将数组内值,赋值为0;重新初始化
    for (int i = 0; i < 4; ++i) {
        for (int j = 0; j < 4; j++) {
            board[i][j] = 0;
        }
    }
    addRand();
    showGame();
}
//方向分为上下左右
//左移
void moveleft() {
    for (int i = 0; i < 4;i++) {
        for (int j = 1, k = 0; j < 4;++j) {
            //先找到K项后面第一个不为0的项
            if (board[i][j]!=0) {
                //分为三个情况.相等,k项是0,不等
                //相等
                if (board[i][k]==board[i][j]) {
                    board[i][k++] <<= 1;        //k++先赋值给k而后k++到下一个位置,进行判断
                    board[i][j] = 0;
                    if_need_rand = 1;
                }else
                //k项是0
                if (board[i][k]==0) {
                    board[i][k] = board[i][j];
                    board[i][j] = 0;
                    if_need_rand = 1;
                }
                //k项与j项不等,有两种情况,j项就在k项后边,
                //所以不能将j项赋值为0
                else {
                    board[i][++k] = board[i][j];
                    if (j!=k) {
                        board[i][j] = 0;
                        if_need_rand = 1;
                    }
                }
            }
        }
    }
}
//右移
void moveRinght() {
    for (int i = 0; i < 4; i++) {
        for (int j = 2, k = 3; j >= 0; j--) {
            //先找到K项后面第一个不为0的项
            if (board[i][j] != 0) {
                //分为三个情况.相等,k项是0,不等
                //相等
                if (board[i][k] == board[i][j]) {
                    board[i][k--] <<= 1;
                    board[i][j] = 0;
                    if_need_rand = 1;
                }
                else
                    //k项是0
                    if (board[i][k] == 0) {
                        board[i][k] = board[i][j];
                        board[i][j] = 0;
                        if_need_rand = 1;
                    }
                //k项与j项不等,有两种情况,j项就在k项后边,
                //所以不能将j项赋值为0
                    else {
                        board[i][--k] = board[i][j];
                        if (j != k) {
                            board[i][j] = 0;
                            if_need_rand = 1;
                        }
                    }
            }
        }
    }
}
//上移
void moveup() {
    for (int i = 0; i < 4; i++) {
        for (int j = 1, k = 0; j < 4; ++j) {
            //先找到K项后面第一个不为0的项
            if (board[j][i] != 0) {
                //分为三个情况.相等,k项是0,不等
                //相等
                if (board[k][i] == board[j][i]) {
                    board[k++][i] <<= 1;
                    board[j][i] = 0;
                    if_need_rand = 1;
                }
                else
                    //k项是0
                    if (board[k][i] == 0) {
                        board[k][i] = board[j][i];
                        board[j][i] = 0;
                        if_need_rand = 1;
                    }
                //k项与j项不等,有两种情况,j项就在k项后边,
                //所以不能将j项赋值为0
                    else {
                        board[++k][i] = board[j][i];
                        if (j != k) {
                            board[j][i] = 0;
                            if_need_rand = 1;
                        }
                    }
            }
        }
    }
}
//下移
void moveDown() {
    for (int i = 0; i < 4; i++) {
        for (int j = 2, k = 3; j >=0; --j) {
            //先找到K项后面第一个不为0的项
            if (board[j][i] != 0) {
                //分为三个情况.相等,k项是0,不等
                //相等
                if (board[k][i] == board[j][i]) {
                    board[k--][i] <<= 1;
                    board[j][i] = 0;
                    if_need_rand = 1;
                }
                else
                    //k项是0
                    if (board[k][i] == 0) {
                        board[k][i] = board[j][i];
                        board[j][i] = 0;
                        if_need_rand = 1;
                    }
                //k项与j项不等,有两种情况,j项就在k项后边,
                //所以不能将j项赋值为0
                    else {
                        board[--k][i] = board[j][i];
                        if (j != k) {
                            board[j][i] = 0;
                            if_need_rand = 1;
                        }
                    }
            }
        }
    }
}
//查看有没有空着的格子
int getNull() {
    int n = 0;
    for (int i = 0; i < 4; ++i) {
        for (int j = 0; j < 4; ++j) {
            if (board[i][j] == 0) {
                n++;
            }
        }
    }
    return n;
}
//比较相邻的两个数,是否相等
void gameOv
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