c++用类实现俄罗斯方块c++c++

以下是使用C++类实现俄罗斯方块的示例代码：

#include <iostream>
#include <ncurses.h>
#include <cstdlib>
#include <ctime>

using namespace std;

class Tetris {
private:
    int x, y; // 方块的坐标
    int shape; // 方块的形状
    int color; // 方块的颜色
    int board[20][10]; // 游戏面板
    int score; // 得分
    int speed; // 下落速度
public:
    Tetris() {
        x = 0;
        y = 4;
        shape = rand() % 7;
        color = rand() % 7 + 1;
        score = 0;
        speed = 500;
        for (int i = 0; i < 20; i++) {
            for (int j = 0; j < 10; j++) {
                board[i][j] = 0;
            }
        }
    }

    void draw() {
        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 4; j++) {
                if ((1 << (i * 4 + j)) & shapes[shape]) {
                    attron(COLOR_PAIR(color));
                    mvprintw(x + i, y + j * 2, "[]");
                    attroff(COLOR_PAIR(color));
                }
            }
        }
    }

    void erase() {
        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 4; j++) {
                if ((1 << (i * 4 + j)) & shapes[shape]) {
                    mvprintw(x + i, y + j * 2, "  ");
                }
            }
        }
    }

    bool can_move(int dx, int dy, int dshape) {
        int nx = x + dx;
        int ny = y + dy;
        int nshape = (shape + dshape) % 4;
        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 4; j++) {
                if ((1 << (i * 4 + j)) & shapes[nshape]) {
                    int tx = nx + i;
                    int ty = ny + j;
                    if (tx < 0 || tx >= 20 || ty < 0 || ty >= 10 || board[tx][ty]) {
                        return false;
                    }
                }
            }
        }
        return true;
    }

    void move(int dx, int dy, int dshape) {
        erase();
        x += dx;
        y += dy;
        shape = (shape + dshape) % 4;
        draw();
    }

    void fix() {
        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 4; j++) {
                if ((1 << (i * 4 + j)) & shapes[shape]) {
                    board[x + i][y + j] = color;
                }
            }
        }
    }

    bool can_clear(int row) {
        for (int j = 0; j < 10; j++) {
            if (!board[row][j]) {
                return false;
            }
        }
        return true;
    }

    void clear(int row) {
        for (int i = row; i > 0; i--) {
            for (int j = 0; j < 10; j++) {
                board[i][j] = board[i - 1][j];
            }
        }
        for (int j = 0; j < 10; j++) {
            board[0][j] = 0;
        }
        score += 10;
        if (score % 100 == 0) {
            speed -= 50;
        }
    }

    bool game_over() {
        for (int j = 0; j < 10; j++) {
            if (board[0][j]) {
                return true;
            }
        }
        return false;
    }

    void play() {
        initscr();
        start_color();
        init_pair(1, COLOR_RED, COLOR_BLACK);
        init_pair(2, COLOR_GREEN, COLOR_BLACK);
        init_pair(3, COLOR_YELLOW, COLOR_BLACK);
        init_pair(4, COLOR_BLUE, COLOR_BLACK);
        init_pair(5, COLOR_MAGENTA, COLOR_BLACK);
        init_pair(6, COLOR_CYAN, COLOR_BLACK);
        init_pair(7, COLOR_WHITE, COLOR_BLACK);
        noecho();
        curs_set(0);
        keypad(stdscr, TRUE);
        timeout(speed);
        srand(time(NULL));
        while (true) {
            if (can_move(1, 0, 0)) {
                move(1, 0, 0);
            } else {
                fix();
                int cnt = 0;
                for (int i = 0; i < 20; i++) {
                    if (can_clear(i)) {
                        clear(i);
                        cnt++;
                    }
                }
                if (cnt) {
                    timeout(speed - cnt * 10);
                }
                if (game_over()) {
                    break;
                }
                x = 0;
                y = 4;
                shape = rand() % 7;
                color = rand() % 7 + 1;
                draw();
            }
            int ch = getch();
            switch (ch) {
                case KEY_LEFT:
                    if (can_move(0, -2, 0)) {
                        move(0, -2, 0);
                    }
                    break;
                case KEY_RIGHT:
                    if (can_move(0, 2, 0)) {
                        move(0, 2, 0);
                    }
                    break;
                case KEY_UP:
                    if (can_move(0, 0, 1)) {
                        move(0, 0, 1);
                    }
                    break;
                case KEY_DOWN:
                    if (can_move(1, 0, 0)) {
                        move(1, 0, 0);
                    }
                    break;
                case 'q':
                case 'Q':
                    endwin();
                    return;
            }
        }
        endwin();
        cout << "Game over! Your score is " << score << "." << endl;
    }

    static const int shapes[7];
};

const int Tetris::shapes[7] = {
    0x0F00, 0x2222, 0x00F0, 0x4444,
    0x04E0, 0x0E40, 0x4640
};

int main() {
    Tetris tetris;
    tetris.play();
    return 0;
}