使用C++写一个俄罗斯方块

好的，下面是一个简单的C++俄罗斯方块游戏示例代码：

#include <iostream>
#include <cstdlib>
#include <ctime>
#include <conio.h>
#include <windows.h>
using namespace std;

const int WIDTH = 12;
const int HEIGHT = 20;

int board[HEIGHT][WIDTH] = {0};

int shapes[7][4][4] = {
    {
        {0, 0, 0, 0},
        {1, 1, 1, 0},
        {0, 0, 1, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {0, 2, 2, 0},
        {0, 2, 2, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {0, 3, 3, 0},
        {3, 3, 0, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {4, 4, 0, 0},
        {0, 4, 4, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {0, 5, 0, 0},
        {5, 5, 5, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {6, 0, 0, 0},
        {6, 6, 6, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {0, 0, 7, 0},
        {7, 7, 7, 0},
        {0, 0, 0, 0}
    }
};

int curX, curY;
int curShape[4][4];
int curShapeID;
int curColor;

bool check(int x, int y, int shape[4][4])
{
    for (int i = 0; i < 4; ++i)
    {
        for (int j = 0; j < 4; ++j)
        {
            if (shape[i][j] && (x + j < 0 || x + j >= WIDTH || y + i >= HEIGHT || board[y + i][x + j]))
            {
                return false;
            }
        }
    }
    return true;
}

void draw(int x, int y, int shape[4][4], int color)
{
    HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
    for (int i = 0; i < 4; ++i)
    {
        for (int j = 0; j < 4; ++j)
        {
            if (shape[i][j])
            {
                COORD pos = {x + j, y + i};
                SetConsoleCursorPosition(hConsole, pos);
                SetConsoleTextAttribute(hConsole, color);
                cout << "█";
            }
        }
    }
}

void erase(int x, int y, int shape[4][4])
{
    HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
    for (int i = 0; i < 4; ++i)
    {
        for (int j = 0; j < 4; ++j)
        {
            if (shape[i][j])
            {
                COORD pos = {x + j, y + i};
                SetConsoleCursorPosition(hConsole, pos);
                cout << " ";
            }
        }
    }
}

void clear()
{
    HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
    COORD pos = {0, 0};
    SetConsoleCursorPosition(hConsole, pos);
}

void init()
{
    for (int i = 0; i < HEIGHT; ++i)
    {
        for (int j = 0; j < WIDTH; ++j)
        {
            board[i][j] = 0;
        }
    }

    srand(time(NULL));
    curX = WIDTH / 2 - 2;
    curY = 0;
    curShapeID = rand() % 7;
    memcpy(curShape, shapes[curShapeID], sizeof(curShape));
    curColor = rand() % 7 + 1;
    draw(curX, curY, curShape, curColor);
}

void update()
{
    erase(curX, curY, curShape);
    if (check(curX, curY + 1, curShape))
    {
        curY++;
    }
    else
    {
        for (int i = 0; i < 4; ++i)
        {
            for (int j = 0; j < 4; ++j)
            {
                if (curShape[i][j])
                {
                    board[curY + i][curX + j] = curColor;
                }
            }
        }
        int lines = 0;
        for (int i = HEIGHT - 1; i >= 0; --i)
        {
            int j;
            for (j = 0; j < WIDTH; ++j)
            {
                if (!board[i][j])
                {
                    break;
                }
            }
            if (j == WIDTH)
            {
                lines++;
                for (int k = i; k > 0; --k)
                {
                    memcpy(board[k], board[k - 1], sizeof(board[k]));
                }
                memset(board[0], 0, sizeof(board[0]));
                i++;
            }
        }
        clear();
        for (int i = 0; i < HEIGHT; ++i)
        {
            for (int j = 0; j < WIDTH; ++j)
            {
                if (board[i][j])
                {
                    draw(j, i, shapes[0], board[i][j]);
                }
            }
        }
        curX = WIDTH / 2 - 2;
        curY = 0;
        curShapeID = rand() % 7;
        memcpy(curShape, shapes[curShapeID], sizeof(curShape));
        curColor = rand() % 7 + 1;
        if (!check(curX, curY, curShape))
        {
            clear();
            cout << "Game Over!" << endl;
            exit(0);
        }
    }
    draw(curX, curY, curShape, curColor);
}

int main()
{
    init();

    while (true)
    {
        if (_kbhit())
        {
            int c = _getch();
            if (c == 'a' || c == 'A')
            {
                if (check(curX - 1, curY, curShape))
                {
                    erase(curX, curY, curShape);
                    curX--;
                    draw(curX, curY, curShape, curColor);
                }
            }
            else if (c == 'd' || c == 'D')
            {
                if (check(curX + 1, curY, curShape))
                {
                    erase(curX, curY, curShape);
                    curX++;
                    draw(curX, curY, curShape, curColor);
                }
            }
            else if (c == 's' || c == 'S')
            {
                while (check(curX, curY + 1, curShape))
                {
                    erase(curX, curY, curShape);
                    curY++;
                    draw(curX, curY, curShape, curColor);
                }
            }
            else if (c == ' ')
            {
                int temp[4][4];
                memcpy(temp, curShape, sizeof(temp));
                for (int i = 0; i < 4; ++i)
                {
                    for (int j = 0; j < 4; ++j)
                    {
                        curShape[j][3 - i] = temp[i][j];
                    }
                }
                if (!check(curX, curY, curShape))
                {
                    memcpy(curShape, temp, sizeof(temp));
                }
                else
                {
                    erase(curX, curY, temp);
                    draw(curX, curY, curShape, curColor);
                }
            }
        }
        update();
        Sleep(50);
    }

    return 0;
}

这个游戏使用了Windows API函数来进行控制台屏幕输出和输入，所以只能在Windows系统下运行。